Weather Warnings for Arizona

Issued by the National Weather Service

Current Watches, Warnings and Advisories for Arizona Issued by the National Weather Service
Alerts Updated: February 20, 2019, 4:35 am  UTC


Winter Storm Warning issued February 20 at 4:35AM MST until February 22 at 5:00AM MST by NWS

Summary: ...A Significant Winter Storm continues to be expected... .A potent and cold low pressure system will drop into the area tonight night bringing hazardous winter weather conditions to portions of the area through Friday morning. This storm is expected to bring the most significant snowfall to Mohave County Arizona in years.
Severity:  Moderate    Effective:  February 20, 2019, 7:00 pm      Expires:  February 22, 2019, 5:00 am
Area:  Northwest Deserts; Northwest Plateau


Winter Weather Advisory issued February 20 at 4:35AM MST until February 22 at 5:00AM MST by NWS

Summary: ...A Significant Winter Storm continues to be expected... .A potent and cold low pressure system will drop into the area tonight night bringing hazardous winter weather conditions to portions of the area through Friday morning. This storm is expected to bring the most significant snowfall to Mohave County Arizona in years.
Severity:  Minor    Effective:  February 20, 2019, 7:00 pm      Expires:  February 22, 2019, 5:00 am
Area:  Lake Mead National Recreation Area


Freeze Warning issued February 20 at 3:44AM MST until February 20 at 9:00AM MST by NWS

Summary: ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ THIS MORNING... * TEMPERATURES...As low as 31. * TIMING...Through 9 AM this morning. * IMPACTS...Freezing temperatures could kill sensitive vegetation and damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  February 20, 2019, 3:44 am      Expires:  February 20, 2019, 9:00 am
Area:  Parker Valley


Freeze Warning issued February 20 at 3:44AM MST until February 20 at 9:00AM MST by NWS

Summary: ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TEMPERATURES...As low as 31. * TIMING...Through 9 AM this morning. * IMPACTS...Freezing temperatures could kill sensitive vegetation and damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  February 20, 2019, 3:44 am      Expires:  February 20, 2019, 9:00 am
Area:  Central La Paz; Gila Bend; Gila River Valley; Sonoran Desert Natl Monument; Southeast Yuma County; Tonopah Desert


Freeze Warning issued February 20 at 3:44AM MST until February 20 at 9:00AM MST by NWS

Summary: ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TEMPERATURES...As low as 30. * TIMING...Through 9 AM this morning. * IMPACTS...Freezing temperatures could kill sensitive vegetation and damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  February 20, 2019, 3:44 am      Expires:  February 20, 2019, 9:00 am
Area:  Buckeye, Avondale; Central Phoenix; Deer Valley; East Valley; Fountain Hills, East Mesa; North Phoenix, Glendale; Northwest Valley; Scottsdale, Paradise Valley; South Mountain, Ahwatukee; Southeast Valley, Queen Creek


Freeze Warning issued February 20 at 3:44AM MST until February 20 at 9:00AM MST by NWS

Summary: ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TEMPERATURES...As low as 28. * TIMING...Through 9 AM this morning. * IMPACTS...Freezing temperatures could kill sensitive vegetation and damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  February 20, 2019, 3:44 am      Expires:  February 20, 2019, 9:00 am
Area:  Apache Junction, Gold Canyon; Northwest Pinal County; Superior; West Pinal County


Hard Freeze Warning issued February 20 at 3:44AM MST until February 20 at 9:00AM MST by NWS

Summary: ...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TEMPERATURES...As low as 27. * TIMING...Through 9 AM this morning. * IMPACTS...Freezing temperatures could kill sensitive vegetation and damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  February 20, 2019, 3:44 am      Expires:  February 20, 2019, 9:00 am
Area:  Globe, Miami; San Carlos; Tonto Basin


Winter Storm Warning issued February 20 at 3:38AM MST until February 22 at 5:00PM MST by NWS

Summary: ...MAJOR WINTER STORM TO BRING SIGNIFICANT SNOWFALL TO THE MOUNTAINS OF SOUTHEAST ARIZONA THURSDAY AND FRIDAY... ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 PM MST FRIDAY ABOVE 5000 FEET... * WHAT...Heavy snow and blowing snow expected. Travel will be very difficult to impossible. Tree branches could fall as well. Total
Severity:  Moderate    Effective:  February 21, 2019, 5:00 am      Expires:  February 22, 2019, 5:00 pm
Area:  Baboquivari Mountains including Kitt Peak; Dragoon, Mule, Huachuca and Santa Rita Mountains including Bisbee, Canelo Hills, Madera Canyon; Galiuro and Pinaleno Mountains including Mount Graham; Santa Catalina and Rincon Mountains including Mount Lemmon, Summerhaven; White Mountains of Graham and Greenlee Counties including Hannagan Meadow


Winter Storm Warning issued February 20 at 3:38AM MST until February 22 at 5:00PM MST by NWS

Summary: ...MAJOR WINTER STORM TO BRING SIGNIFICANT SNOWFALL TO THE MOUNTAINS OF SOUTHEAST ARIZONA THURSDAY AND FRIDAY... ...WINTER STORM WARNING IN EFFECT FROM 11 PM THURSDAY TO 5 PM MST FRIDAY... * WHAT...Heavy snow expected. Plan on difficult travel conditions, including during the morning commute on Friday. Total snow
Severity:  Moderate    Effective:  February 21, 2019, 11:00 pm      Expires:  February 22, 2019, 5:00 pm
Area:  Southeast Pinal County including Kearny, Mammoth, Oracle


Winter Storm Warning issued February 20 at 3:38AM MST until February 22 at 5:00PM MST by NWS

Summary: ...MAJOR WINTER STORM TO BRING SIGNIFICANT SNOWFALL TO THE MOUNTAINS OF SOUTHEAST ARIZONA THURSDAY AND FRIDAY... ...WINTER STORM WARNING IN EFFECT FROM 11 PM THURSDAY TO 5 PM MST FRIDAY... * WHAT...Heavy snow and blowing snow expected. Plan on difficult travel conditions. Damage to trees and power lines is possible.
Severity:  Moderate    Effective:  February 21, 2019, 11:00 pm      Expires:  February 22, 2019, 5:00 pm
Area:  Chiricahua Mountains including Chiricahua National Monument


Winter Storm Warning issued February 20 at 3:31AM MST until February 22 at 5:00PM MST by NWS

Summary: ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST FRIDAY ABOVE 3000 FEET... * WHAT...Heavy snow expected above 3000 feet. Total snow accumulations of 3 to 6 inches is expected as low as 3000 feet with locally higher amounts above 4000 feet. * WHERE...New River Mesa.
Severity:  Moderate    Effective:  February 20, 2019, 11:00 pm      Expires:  February 22, 2019, 5:00 pm
Area:  New River Mesa


Winter Storm Warning issued February 20 at 3:31AM MST until February 22 at 5:00PM MST by NWS

Summary: ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST FRIDAY ABOVE 3000 FEET... * WHAT...Heavy snow expected above 3000 feet. Total snow accumulations of 3 to 6 inches is expected as low as 3000 feet to as much as 18 to 30 inches above 4500 feet. * WHERE...Mazatzal Mountains, Pinal/Superstition Mountains and
Severity:  Moderate    Effective:  February 20, 2019, 11:00 pm      Expires:  February 22, 2019, 5:00 pm
Area:  Mazatzal Mountains; Pinal, Superstition Mountains; Southeast Gila County


Winter Storm Warning issued February 20 at 3:31AM MST until February 22 at 5:00PM MST by NWS

Summary: ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST FRIDAY ABOVE 3000 FEET... * WHAT...Heavy snow expected above 3000 feet. Total snow accumulations of 3 to 6 inches is expected as low as 3000 feet with locally higher amounts above 4000 feet. * WHERE...San Carlos and Dripping Springs.
Severity:  Moderate    Effective:  February 20, 2019, 11:00 pm      Expires:  February 22, 2019, 5:00 pm
Area:  Dripping Springs; San Carlos


Winter Storm Warning issued February 20 at 3:31AM MST until February 22 at 5:00PM MST by NWS

Summary: ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST FRIDAY ABOVE 3000 FEET... * WHAT...Heavy snow expected above 3000 feet. Total snow accumulations of 3 to 6 inches is expected as low as 3000 ft to as much as 10 inches at around 4000 feet. * WHERE...Globe/Miami.
Severity:  Moderate    Effective:  February 20, 2019, 11:00 pm      Expires:  February 22, 2019, 5:00 pm
Area:  Globe, Miami


Winter Storm Warning issued February 20 at 3:03AM MST until February 22 at 11:00AM MST by NWS

Summary: ...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 11 AM MST FRIDAY... * WHAT...Heavy snow expected. Travel will be very difficult to impossible. Total snow accumulations of 10 to 20 inches, with locally higher amounts on the North Rim of the Grand Canyon, are expected. Lower amounts can be expected in the valley areas.
Severity:  Moderate    Effective:  February 20, 2019, 8:00 pm      Expires:  February 22, 2019, 11:00 am
Area:  Coconino Plateau; Grand Canyon Country; Kaibab Plateau; Yavapai County Mountains; Yavapai County Valleys and Basins


Winter Storm Warning issued February 20 at 3:03AM MST until February 22 at 5:00PM MST by NWS

Summary: ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Heavy snow expected. Travel will be very difficult to impossible. Total snow accumulations of 6 to 12 inches, with locally higher amounts near Buffalo Pass, are expected. * WHERE...Areas near Buffalo Pass, Chinle, Ganado, Kayenta, Page,
Severity:  Moderate    Effective:  February 20, 2019, 11:00 pm      Expires:  February 22, 2019, 5:00 pm
Area:  Black Mesa Area; Chinle Valley; Chuska Mountains and Defiance Plateau; Marble and Glen Canyons; Northeast Plateaus and Mesas Hwy 264 Northward


Winter Storm Warning issued February 20 at 3:03AM MST until February 22 at 5:00PM MST by NWS

Summary: ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Heavy snow expected. Plan on difficult travel conditions. Total snow accumulations of 6 to 12 inches, are expected. * WHERE...Areas near Dilkon, Eagar-Springerville, Holbrook, Kykotsmovi, Saint Johns, Snowflake-Taylor, Tuba City and
Severity:  Moderate    Effective:  February 20, 2019, 11:00 pm      Expires:  February 22, 2019, 5:00 pm
Area:  Little Colorado River Valley in Apache County; Little Colorado River Valley in Coconino County; Little Colorado River Valley in Navajo County; Northeast Plateaus and Mesas South of Hwy 264


Winter Storm Warning issued February 20 at 3:03AM MST until February 22 at 5:00PM MST by NWS

Summary: ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Heavy snow expected. Travel will be very difficult to impossible. Total snow accumulations of 12 to 24 inches, with locally higher amounts along the eastern Mogollon Rim, are expected.
Severity:  Moderate    Effective:  February 20, 2019, 11:00 pm      Expires:  February 22, 2019, 5:00 pm
Area:  Eastern Mogollon Rim; Northern Gila County; Oak Creek and Sycamore Canyons; Western Mogollon Rim


Winter Storm Warning issued February 20 at 3:03AM MST until February 22 at 8:00PM MST by NWS

Summary: ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 8 PM MST FRIDAY... * WHAT...Heavy snow expected. Travel will be very difficult to impossible. Total snow accumulations of 18 to 24 inches, with locally higher amounts on the mountain peaks, are expected. * WHERE...Areas near Alpine, Pinetop-Lakeside, Show Low and
Severity:  Moderate    Effective:  February 21, 2019, 5:00 am      Expires:  February 22, 2019, 8:00 pm
Area:  White Mountains


Freeze Warning issued February 20 at 3:00AM MST until February 20 at 8:00AM MST by NWS

Summary: ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * IMPACTS...These temperatures will damage sensitive and unprotected plants, and damage unprotected outdoor plumbing. * TEMPERATURES...29 to 32 degrees. * TIMING...Temperatures will be the coldest near daybreak this morning.
Severity:  Moderate    Effective:  February 20, 2019, 3:00 am      Expires:  February 20, 2019, 8:00 am
Area:  Western Pima County Including Ajo, Organ Pipe Cactus National Monument


Hard Freeze Warning issued February 20 at 3:00AM MST until February 20 at 8:00AM MST by NWS

Summary: ...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * IMPACTS...These temperatures will damage sensitive and unprotected plants, and damage unprotected outdoor plumbing. * TEMPERATURES...Low temperatures in the mid to upper 20s. * TIMING...Temperatures will be the coldest near daybreak this
Severity:  Moderate    Effective:  February 20, 2019, 3:00 am      Expires:  February 20, 2019, 8:00 am
Area:  South Central Pinal County including Eloy, Picacho Peak State Park; Southeast Pinal County including Kearny, Mammoth, Oracle; Tohono O'odham Nation including Sells; Tucson Metro Area including Tucson, Green Valley, Marana, Vail