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Winters, CA Warnings, Watches and Advisories

SAFETY and DATA MESSAGE

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Winters.

Use the Radar Maps link provided to understand the trajectory of a storm.

NWS Active Alerts for CA - Map View

State: CA Total alerts: 6 Updated: Mar 14, 2026 5:45am PDT

Wind Advisory

Area
Mojave Desert Slopes
Wind Advisory issued March 14 at 2:12AM PDT until March 15 at 5:00AM PDT by NWS Hanford CA

* WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Mojave Desert Slopes. * WHEN...From 8 AM this morning to 5 AM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Extreme Heat Watch

Area
Catalina and Santa Barbara Islands; Santa Clarita Valley; San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Lucia Mountains; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Ventura County Beaches; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; 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; Los Angeles County San Gabriel Valley; San Miguel and Santa Rosa Islands; Santa Cruz and Anacapa Islands
Extreme Heat Watch issued March 14 at 1:03AM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

* WHAT...Historic, long and record breaking March heatwave possible next week with dangerously hot conditions up to 100 possible within the Extreme Heat Watch. * WHERE...A portion of southwest California. * WHEN...From Monday morning through Friday evening. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors.

Extreme Heat Watch

Area
Parker Valley; 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
Extreme Heat Watch issued March 14 at 12:12AM MST until March 22 at 8:00PM MST by NWS Phoenix AZ

* WHERE...Portions of southwest Arizona and southeast and southern California. * WHEN...From Wednesday morning through Sunday, March 22. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Afternoon high temperatures between 103 and 109 degrees.

Lake Wind Advisory

Area
Lake Havasu and Fort Mohave; Lake Mead National Recreation Area; San Bernardino County-Upper Colorado River Valley; Lake Mead National Recreation Area
Lake Wind Advisory issued March 14 at 12:03AM PDT until March 16 at 8:00PM PDT by NWS Las Vegas NV

* WHAT...North winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...Lake Mead, Lake Mohave and Lake Havasu. * WHEN...From 8 AM PDT/MST Sunday to 8 PM PDT/MST Monday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Northerly winds will result in 1 to 3 foot waves on area lakes on Sunday and Monday. Winds will lull overnight, Sunday into Monday, before picking back up again on Monday morning.

Extreme Heat Watch

Area
San Diego County Coastal Areas; San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Orange County Coastal; Orange County Inland
Extreme Heat Watch issued March 13 at 8:19PM PDT until March 20 at 8:00PM PDT by NWS San Diego CA

* WHAT...For the Heat Advisory, temperatures in the mid to upper 80s near the coast, up to 94 inland. For the Extreme Heat Watch, dangerously hot conditions with temperatures 85 to 90 near the coast, up to 105 inland. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, and San Diego County Valleys. * WHEN...From Monday morning through Friday evening. * IMPACTS...Early time of year and prolonged nature of this heat event will lead to increased risk of heat illness, especially for vulnerable populations and those without cooling systems. * ADDITIONAL DETAILS...Slightly cooler this weekend. High temperatures next week will be 20 to potentially 30 degrees above normal for this time of year, where record breaking heat is likely.

Extreme Heat Watch

Area
Santa Ana Mountains and Foothills
Extreme Heat Watch issued March 13 at 8:19PM PDT until March 20 at 8:00PM PDT by NWS San Diego CA

* WHAT...Hot conditions with temperatures up to 93 possible. * WHERE...Santa Ana Mountains and Foothills. * WHEN...From Monday morning through Friday evening. * IMPACTS...Early time of year and prolonged nature of this heat event will lead to increased risk of heat illness, especially for vulnerable populations and those without cooling systems. * ADDITIONAL DETAILS...Slightly cooler this weekend. High temperatures next week will be 20 to potentially 30 degrees above normal for this time of year, where record breaking heat is likely.

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