Weather Warnings for California

Issued by the National Weather Service

Current watches, warnings, and advisories for California
Alerts Updated: October 9, 2025, 6:16 am  UTC


Coastal Flood Advisory issued October 8 at 11:15PM PDT until October 9 at 3:00PM PDT by NWS Eureka CA

Summary: * WHAT...The perigee moon cycle is generating above normal high tides, reaching 8.03 ft MLLW Thursday and 7.94 ft MLLW Friday. Southerly winds ahead of a weather system may increase the tidal anomaly, with 0.85 to 1.0 positive tidal anomaly possible, creating a high tide of 9.0 ft at the North Spit. * WHERE...Minor coastal flooding occurs around Humboldt Bay at tides of 8.8 ft at locations such as King Salmon, Jackson Ranch Road, and Arcata Bottoms. * WHEN...Thursday and Friday afternoons. * IMPACTS...Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon.
Severity:  Minor    Effective:  October 8, 2025, 11:15 pm      Expires:  October 9, 2025, 7:15 am
Area:  Northern Humboldt Coast


Coastal Flood Advisory issued October 8 at 11:15PM PDT until October 10 at 3:00PM PDT by NWS Eureka CA

Summary: * WHAT...The perigee moon cycle is generating above normal high tides, reaching 8.03 ft MLLW Thursday and 7.94 ft MLLW Friday. Southerly winds ahead of a weather system may increase the tidal anomaly, with 0.85 to 1.0 positive tidal anomaly possible, creating a high tide of 9.0 ft at the North Spit. * WHERE...Minor coastal flooding occurs around Humboldt Bay at tides of 8.8 ft at locations such as King Salmon, Jackson Ranch Road, and Arcata Bottoms. * WHEN...Thursday and Friday afternoons. * IMPACTS...Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon.
Severity:  Minor    Effective:  October 8, 2025, 11:15 pm      Expires:  October 9, 2025, 7:15 am
Area:  Northern Humboldt Coast


Flood Watch issued October 8 at 1:37PM MST until October 11 at 12:00AM MST by NWS Phoenix AZ

Summary: * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of southwest Arizona, including the following areas, Central La Paz, Gila River Valley, Kofa, Parker Valley, Southeast Yuma County and Yuma and California, including the following areas, Chiriaco Summit, Chuckwalla Mountains, Chuckwalla Valley, Imperial County Southeast, Imperial County Southwest, Imperial County West, Imperial Valley, Joshua Tree NP East, Joshua Tree NP West, Palo Verde Valley and Salton Sea. * WHEN...From Thursday afternoon through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Increasing moisture ahead of a tropical system will promote heavy rainfall. Rainfall totals up to 1 inch with locally higher amounts possible. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  October 8, 2025, 1:37 pm      Expires:  October 9, 2025, 3:00 am
Area:  Parker Valley; Kofa; Yuma; 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; Imperial Valley; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley


Flood Watch issued October 8 at 1:07PM PDT until October 11 at 11:00PM PDT by NWS Las Vegas NV

Summary: * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of southeast California, including the following areas, Cadiz Basin, Morongo Basin and San Bernardino County-Upper Colorado River Valley. * WHEN...From Thursday morning through Saturday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Moisture from Hurricane Priscilla will move into the area, helping to fuel multiple rounds of showers and thunderstorms from Thursday through Saturday. Due to the tropical nature of this moisture, storms are expected to be efficient rainfall producers with rain rates in excess of 1 inch per hour expected with stronger storms. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  October 8, 2025, 1:07 pm      Expires:  October 9, 2025, 2:00 am
Area:  Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley