National Weather Service United States Department of Commerce
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Last Map Update: Thu, Mar 19, 2026 at 7:40:32 am PDT

HIGH RISK FOR HEAT ILLNESS Extremely Rare Heat for March Suggestion Actions: ADJUST PLANS to limit strenuous outdoor activities to just the early morning hours. Seek air conditioned spaces. Drink plenty of fluids. Check in on elderly neighbors and loved ones. Always CHECK THE BACK SEAT for children & animals. Key Details: Temperatures are 25-35 degrees above normal Many daily records will be shattered. Warm overnight conditions will add to the heat risk, especially foothills and lower mountains.

 

 

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