Weather Warnings for California
| Alerts Updated: July 31, 2026, 9:34 pm UTC |
Coastal Flood Advisory issued July 31 at 2:12PM PDT until August 1 at 3:00AM PDT by NWS Los Angeles/Oxnard CASummary: * WHAT...For the High Surf Advisory, breaking waves of 3 to 6 feet with frequent, dangerous rip currents, highest across south to southwest facing beaches exposed to southerly swells. Very strong rip currents are occuring along some beaches. For the Coastal Flood Advisory, minor coastal flooding expected at the times of highest tide. * WHERE...Catalina and Santa Barbara Islands, Ventura County Beaches, Malibu Coast, and Los Angeles County Beaches. * WHEN...For the Coastal Flood Advisory, until 3 AM PDT Saturday. For the High Surf Advisory, until 5 PM PDT Saturday. * IMPACTS...Flooding of sea water is likely around the time of high tide, over low-lying coastal areas such as parking lots, beaches, and walkways. Significant damage to roads or structures is NOT expected. There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. * ADDITIONAL DETAILS...High tides of 5.8 to 6.5 feet will occur in the evening hours tonight.Severity: Minor Effective: July 31, 2026, 2:12 pm Expires: August 1, 2026, 9:00 am Area: Catalina and Santa Barbara Islands; Malibu Coast; Los Angeles County Beaches |
Beach Hazards Statement issued July 31 at 2:12PM PDT until August 1 at 5:00PM PDT by NWS Los Angeles/Oxnard CASummary: * WHAT...For the Beach Hazards Statement, frequent, moderate to strong rip currents and breaking waves due to elevated surf. For the Coastal Flood Advisory, minor coastal flooding. * WHERE...Ventura County Beaches. * WHEN...For the Beach Hazards Statement, through Saturday afternoon. For the Coastal Flood Advisory, until 3 AM PDT Saturday. * IMPACTS...Flooding of sea water is likely, around the time of high tide, over vulnerable low-lying coastal areas such as parking lots, beaches, and walkways. Significant damage to roads or structures is NOT expected. There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. * ADDITIONAL DETAILS...High tides of 5.5 to near 6.0 feet will occur in the evening hours tonight.Severity: Moderate Effective: July 31, 2026, 2:12 pm Expires: August 1, 2026, 9:00 am Area: Ventura County Beaches |
Beach Hazards Statement issued July 31 at 2:12PM PDT until August 1 at 5:00PM PDT by NWS Los Angeles/Oxnard CASummary: * WHAT...Dangerous rip currents and elevated surf. Strong, frequent rip currents are likely along some beaches, especially exposed south to southwest facing beaches along the Central Coast. * WHERE...San Luis Obispo County Beaches, Santa Barbara County Central Coast Beaches, Santa Barbara County Southwestern Coast, Santa Barbara County Southeastern Coast, and Lake Casitas. * WHEN...Through Saturday afternoon. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. * ADDITIONAL DETAILS...There is an increased risk of ocean drowning due to hazardous rip currents. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore.Severity: Moderate Effective: July 31, 2026, 2:12 pm Expires: August 1, 2026, 9:00 am Area: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Lake Casitas |
High Surf Advisory issued July 31 at 2:12PM PDT until August 1 at 5:00PM PDT by NWS Los Angeles/Oxnard CASummary: * WHAT...For the High Surf Advisory, breaking waves of 3 to 6 feet with frequent, dangerous rip currents, highest across south to southwest facing beaches exposed to southerly swells. Very strong rip currents are occuring along some beaches. For the Coastal Flood Advisory, minor coastal flooding expected at the times of highest tide. * WHERE...Catalina and Santa Barbara Islands, Ventura County Beaches, Malibu Coast, and Los Angeles County Beaches. * WHEN...For the Coastal Flood Advisory, until 3 AM PDT Saturday. For the High Surf Advisory, until 5 PM PDT Saturday. * IMPACTS...Flooding of sea water is likely around the time of high tide, over low-lying coastal areas such as parking lots, beaches, and walkways. Significant damage to roads or structures is NOT expected. There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. * ADDITIONAL DETAILS...High tides of 5.8 to 6.5 feet will occur in the evening hours tonight.Severity: Minor Effective: July 31, 2026, 2:12 pm Expires: August 1, 2026, 9:00 am Area: Catalina and Santa Barbara Islands; Malibu Coast; Los Angeles County Beaches |
Coastal Flood Advisory issued July 31 at 2:12PM PDT until August 1 at 3:00AM PDT by NWS Los Angeles/Oxnard CASummary: * WHAT...For the Beach Hazards Statement, frequent, moderate to strong rip currents and breaking waves due to elevated surf. For the Coastal Flood Advisory, minor coastal flooding. * WHERE...Ventura County Beaches. * WHEN...For the Beach Hazards Statement, through Saturday afternoon. For the Coastal Flood Advisory, until 3 AM PDT Saturday. * IMPACTS...Flooding of sea water is likely, around the time of high tide, over vulnerable low-lying coastal areas such as parking lots, beaches, and walkways. Significant damage to roads or structures is NOT expected. There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. * ADDITIONAL DETAILS...High tides of 5.5 to near 6.0 feet will occur in the evening hours tonight.Severity: Minor Effective: July 31, 2026, 2:12 pm Expires: August 1, 2026, 9:00 am Area: Ventura County Beaches |
Heat Advisory issued July 31 at 1:35PM PDT until August 3 at 11:00PM PDT by NWS Hanford CASummary: * WHAT...Afternoon high temperatures up to 108 expected. Heat Risk will range from Moderate to Major. * WHERE...San Joaquin Valley and adjacent foothills. * WHEN...From noon Saturday to 11 PM PDT Monday. * IMPACTS...Hot temperatures and limited overnight relief may cause heat illnesses. * ADDITIONAL DETAILS...Afternoon high temperatures up to 108 degrees will occur from Saturday into Monday. Overnight lows will range from the upper 60s in some valley locations to the lower 80s in some of the higher foothills.Severity: Moderate Effective: July 31, 2026, 1:35 pm Expires: July 31, 2026, 10:00 pm Area: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities |
Extreme Heat Warning issued July 31 at 1:35PM PDT until August 3 at 11:00PM PDT by NWS Hanford CASummary: * WHAT...Dangerously hot conditions with several days of Major to Extreme heat risk. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 11 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Dangerously hot conditions with high temperatures up to 112. Overnight lows will range from 75-80 degrees.Severity: Severe Effective: July 31, 2026, 1:35 pm Expires: July 31, 2026, 10:00 pm Area: Indian Wells Valley; Mojave Desert Slopes; Mojave Desert |
Extreme Heat Warning issued July 31 at 1:12PM MST until August 3 at 8:00PM MST by NWS Phoenix AZSummary: * WHAT...Dangerously hot conditions. Afternoon temperatures 108 to 120. Major to Extreme Heat Risk. * WHERE...Mostly rural portions of southwest Arizona and southeast California, including Joshua Tree National Park. * WHEN...Until 8 PM MST /8 PM PDT/ Monday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death.Severity: Severe Effective: July 31, 2026, 1:12 pm Expires: August 1, 2026, 6:00 am Area: Kofa; Central La Paz; Southeast Yuma County; Gila River Valley; Joshua Tree NP West; Joshua Tree NP East; Imperial County Southwest; Salton Sea; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Chiriaco Summit |
Extreme Heat Warning issued July 31 at 1:12PM MST until August 3 at 8:00PM MST by NWS Phoenix AZSummary: * WHAT...Dangerously hot conditions. Afternoon temperatures 112 to 120. Major to Extreme Heat Risk. * WHERE...In Arizona, Parker Valley and Yuma. In California, Imperial Valley, and Palo Verde Valley. * WHEN...Until 8 PM MST /8 PM PDT/ Monday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death.Severity: Severe Effective: July 31, 2026, 1:12 pm Expires: August 1, 2026, 6:00 am Area: Parker Valley; Yuma; Imperial Valley; Palo Verde Valley; Chuckwalla Valley |
High Surf Advisory issued July 31 at 1:07PM PDT until August 1 at 5:00PM PDT by NWS San Diego CASummary: * WHAT...For the Coastal Flood Advisory, minor coastal flooding expected during this evening's high tide. For the High Surf Advisory, large breaking waves of 4-6 feet with sets to 7 feet on south-facing beaches and 3-5 feet on west-facing beaches. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Coastal Flood Advisory, until 3 AM PDT Saturday. For the High Surf Advisory, until 5 PM PDT Saturday. * IMPACTS...Flooding of low-lying beach parking lots, boardwalks, and roads. Dangerous swimming and surfing conditions and localized beach erosion. Breaking waves can sweep people off jetties and docks, and into dangerous seas. * ADDITIONAL DETAILS...Swell and surf will subside this weekend. The high tide and elevated surf will combine to create minor coastal flooding.Severity: Minor Effective: July 31, 2026, 1:07 pm Expires: August 1, 2026, 3:30 am Area: San Diego County Coastal Areas; Orange County Coastal |
Coastal Flood Advisory issued July 31 at 1:07PM PDT until August 1 at 3:00AM PDT by NWS San Diego CASummary: * WHAT...For the Coastal Flood Advisory, minor coastal flooding expected during this evening's high tide. For the High Surf Advisory, large breaking waves of 4-6 feet with sets to 7 feet on south-facing beaches and 3-5 feet on west-facing beaches. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Coastal Flood Advisory, until 3 AM PDT Saturday. For the High Surf Advisory, until 5 PM PDT Saturday. * IMPACTS...Flooding of low-lying beach parking lots, boardwalks, and roads. Dangerous swimming and surfing conditions and localized beach erosion. Breaking waves can sweep people off jetties and docks, and into dangerous seas. * ADDITIONAL DETAILS...Swell and surf will subside this weekend. The high tide and elevated surf will combine to create minor coastal flooding.Severity: Minor Effective: July 31, 2026, 1:07 pm Expires: August 1, 2026, 3:30 am Area: San Diego County Coastal Areas; Orange County Coastal |
Heat Advisory issued July 31 at 11:43AM PDT until August 2 at 8:00PM PDT by NWS San Diego CASummary: * WHAT...High temperatures in the mid 80s to lower 90s for higher coastal terrain expected. * WHERE...Orange County Coastal Areas. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.Severity: Moderate Effective: July 31, 2026, 11:43 am Expires: July 31, 2026, 10:15 pm Area: Orange County Coastal |
Extreme Heat Warning issued July 31 at 11:43AM PDT until August 3 at 8:00PM PDT by NWS San Diego CASummary: * WHAT...Dangerously hot conditions with high temperatures of 115 to 120 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.Severity: Severe Effective: July 31, 2026, 11:43 am Expires: July 31, 2026, 10:15 pm Area: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning |
Extreme Heat Warning issued July 31 at 11:43AM PDT until August 2 at 8:00PM PDT by NWS San Diego CASummary: * WHAT...Dangerously hot conditions with temperatures of 100 to 110 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Temperatures will range from 102 to 108 for Lucerne Valley westward, and 108 to 112 near Johnson Valley.Severity: Severe Effective: July 31, 2026, 11:43 am Expires: July 31, 2026, 10:15 pm Area: Apple and Lucerne Valleys |
Extreme Heat Warning issued July 31 at 11:43AM PDT until August 2 at 8:00PM PDT by NWS San Diego CASummary: * WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 expected. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.Severity: Severe Effective: July 31, 2026, 11:43 am Expires: July 31, 2026, 10:15 pm Area: San Diego County Mountains |
Extreme Heat Warning issued July 31 at 11:43AM PDT until August 2 at 8:00PM PDT by NWS San Diego CASummary: * WHAT...Dangerously hot conditions with high temperatures in the mid 90s in the western valleys to around 105 near the foothills expected. * WHERE...San Diego County Valleys. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.Severity: Severe Effective: July 31, 2026, 11:43 am Expires: July 31, 2026, 10:15 pm Area: San Diego County Inland Valleys |
Extreme Heat Warning issued July 31 at 11:43AM PDT until August 2 at 8:00PM PDT by NWS San Diego CASummary: * WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 below 7000 feet expected. * WHERE...Riverside County Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.Severity: Severe Effective: July 31, 2026, 11:43 am Expires: July 31, 2026, 10:15 pm Area: Riverside County Mountains |
Extreme Heat Warning issued July 31 at 11:43AM PDT until August 2 at 8:00PM PDT by NWS San Diego CASummary: * WHAT...Dangerously hot conditions with high temperatures in the 90s expected. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.Severity: Severe Effective: July 31, 2026, 11:43 am Expires: July 31, 2026, 10:15 pm Area: Santa Ana Mountains and Foothills |
Extreme Heat Warning issued July 31 at 11:43AM PDT until August 2 at 8:00PM PDT by NWS San Diego CASummary: * WHAT...Dangerously hot conditions with high temperatures in the upper 90s to 110 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.Severity: Severe Effective: July 31, 2026, 11:43 am Expires: July 31, 2026, 10:15 pm Area: San Bernardino and Riverside County Valleys-The Inland Empire |
Heat Advisory issued July 31 at 11:43AM PDT until August 2 at 8:00PM PDT by NWS San Diego CASummary: * WHAT...High temperatures in the 90s to around 100 below 6000 feet expected. * WHERE...San Bernardino County Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.Severity: Moderate Effective: July 31, 2026, 11:43 am Expires: July 31, 2026, 10:15 pm Area: San Bernardino County Mountains |
Extreme Heat Warning issued July 31 at 11:43AM PDT until August 2 at 8:00PM PDT by NWS San Diego CASummary: * WHAT...Dangerously hot conditions with high temperatures in the 90s east of Interstate 5 expected. * WHERE...Orange County Inland Areas. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.Severity: Severe Effective: July 31, 2026, 11:43 am Expires: July 31, 2026, 10:15 pm Area: Orange County Inland |
Heat Advisory issued July 31 at 11:43AM PDT until August 2 at 8:00PM PDT by NWS San Diego CASummary: * WHAT...High temperatures in the mid 80s to around 90 for the mesas and other higher coastal terrain expected. * WHERE...San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.Severity: Moderate Effective: July 31, 2026, 11:43 am Expires: July 31, 2026, 10:15 pm Area: San Diego County Coastal Areas |
Heat Advisory issued July 31 at 10:24AM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CASummary: * WHAT...Temperatures of 90 to 100 expected. * WHERE...A portion of southwest California near the coast including the beaches. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region.Severity: Moderate Effective: July 31, 2026, 10:24 am Expires: August 2, 2026, 8:00 pm Area: Eastern San Gabriel Mountains |
Extreme Heat Warning issued July 31 at 10:24AM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CASummary: * WHAT...Dangerously hot conditions with temperatures of 95 to 106 expected. * WHERE...Interstate 5 Corridor and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region.Severity: Severe Effective: July 31, 2026, 10:24 am Expires: August 2, 2026, 8:00 pm Area: Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor |
Extreme Heat Warning issued July 31 at 10:24AM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CASummary: * WHAT...Dangerously hot conditions with temperatures of 105 to 112 expected. * WHERE...Antelope Valley, Eastern Antelope Valley Foothills, and Western Antelope Valley Foothills. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region.Severity: Severe Effective: July 31, 2026, 10:24 am Expires: August 2, 2026, 8:00 pm Area: Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley |
Extreme Heat Warning issued July 31 at 10:24AM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CASummary: * WHAT...Dangerously hot conditions with temperatures of 95 to 110 expected. * WHERE...A large portion of southwest California including the coastal ranges and adjacent foothills, as well as the coastal valleys. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region.Severity: Severe Effective: July 31, 2026, 10:24 am Expires: August 2, 2026, 8:00 pm Area: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Los Angeles County San Gabriel Valley |
Heat Advisory issued July 31 at 10:24AM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CASummary: * WHAT...Temperatures of 85 to 105 expected. * WHERE...A portion of southwest California near the coast including the beaches. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region.Severity: Moderate Effective: July 31, 2026, 10:24 am Expires: August 2, 2026, 8:00 pm Area: San Luis Obispo County Inland Central Coast; Santa Lucia Mountains; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; Northern Ventura County Mountains |
Extreme Heat Warning issued July 31 at 3:32AM PDT until August 2 at 8:00PM PDT by NWS Las Vegas NVSummary: * WHAT...Dangerously hot conditions with highs 110 to 120 degrees across the Mojave Desert. Highs 100 to 110 degrees across most of the southern Great Basin and Arizona Strip. Little to no overnight relief is expected, particularly in the Mojave Desert where lows of 80 to 95 degrees are forecast. This will result in Major-to-Extreme Heat Risk. * WHERE...Portions of northwest Arizona, southeast California, and south central and southern Nevada. * WHEN...Until 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.Severity: Severe Effective: July 31, 2026, 3:32 am Expires: July 31, 2026, 5:15 pm Area: Northwest Plateau; Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Owens Valley South; Owens Valley North; Esmeralda and Central Nye County; Lincoln County; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side |
Heat Advisory issued July 31 at 3:32AM PDT until August 2 at 8:00PM PDT by NWS Las Vegas NVSummary: * WHAT...Hot conditions expected with highs 80 to 90 degrees above 8000 feet and 90 to 105 degrees below 8000 feet. This will result in Moderate Heat Risk. * WHERE...In California, Eastern Sierra Slopes and White Mountains of Inyo County. In Nevada, Sheep Range and Spring Mountains-Red Rock Canyon. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.Severity: Moderate Effective: July 31, 2026, 3:32 am Expires: July 31, 2026, 5:15 pm Area: Eastern Sierra Slopes of Inyo County; White Mountains of Inyo County; Sheep Range; Spring Mountains-Red Rock Canyon |
Beach Hazards Statement issued July 30 at 9:36PM PDT until August 1 at 5:00PM PDT by NWS San Francisco CASummary: * WHAT...Long-period southerly swell will bring an increased risk of sneaker waves and strong rip currents. Breaking waves will reach up to 10 feet along some south and southwest facing beaches and break points. * WHERE...Pacific Coast beaches. * WHEN...Through Saturday afternoon. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves.Severity: Moderate Effective: July 30, 2026, 9:36 pm Expires: July 31, 2026, 8:00 pm Area: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast |
Air Quality Alert issued July 30 at 4:02PM PDT by NWS Los Angeles/Oxnard CASummary: * WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of ozone pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...Glendora, San Fernando Valley, Santa Clarita Valley, San Gabriel Valley, San Bernardino, Redlands, Riverside, Crestline and the Coachella Valley.. Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport. * WHEN...until 8 PM Sunday. The highest ozone levels typically occur in the afternoon and early-evening hours. * IMPACTS... Ozone air pollution can cause serious health problems, including trouble breathing, asthma attacks, and lung damage. Everyone can be affected, but sensitive groups such as people with lung disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk.Severity: Unknown Effective: July 30, 2026, 4:02 pm Expires: August 2, 2026, 8:00 pm Area: Eastern San Fernando Valley; Eastern San Gabriel Mountains; Interstate 5 Corridor; Los Angeles County San Gabriel Valley; Santa Clarita Valley; Western San Fernando Valley; Western San Gabriel Mountains and Highway 14 Corridor |
Air Quality Alert issued July 30 at 4:00PM PDT by NWS San Diego CASummary: * WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of ozone pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...San Bernardino, Redlands, Riverside, Crestline and the Coachella Valley.. Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport. * WHEN...until 8 PM Sunday. The highest ozone levels typically occur in the afternoon and early-evening hours. * IMPACTS... Ozone air pollution can cause serious health problems, including trouble breathing, asthma attacks, and lung damage. Everyone can be affected, but sensitive groups such as people with lung disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk.Severity: Unknown Effective: July 30, 2026, 4:00 pm Expires: August 2, 2026, 8:00 pm Area: San Bernardino and Riverside County Valleys-The Inland Empire; San Bernardino County Mountains; Coachella Valley; San Gorgonio Pass Near Banning |
Air Quality Alert issued July 30 at 8:59AM MST by NWS Phoenix AZSummary: * WHAT...The Imperial County APCD has issued an air quality alert due to harmful levels of ozone pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...the Imperial Valley. Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport. * WHEN...Friday, July 31, 2026 from 7:00 AM until 8:00 PM. The highest ozone levels typically occur in the afternoon and early-evening hours. * IMPACTS... Ozone air pollution can cause serious health problems, including trouble breathing, asthma attacks, and lung damage. Everyone can be affected, but sensitive groups such as people with lung disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk.Severity: Unknown Effective: July 30, 2026, 8:59 am Expires: July 31, 2026, 8:00 pm Area: Imperial Valley |