Heat Advisory
Status
New Event Active alertStart Time
Mon 08/03/2026 01:00 PM EDTEnd Time
Tue 08/04/2026 01:00 AM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Sacramento, CA ∙ Stockton, CA ∙ Modesto, CA ∙ Elk Grove, CA ∙ Fairfield, CA ∙ Roseville, CA ∙ Redding, CA ∙ Chico, CA ∙ Citrus Heights, CA ∙ Vacaville, CAFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Sacramento CA 129 AM PDT Mon Aug 3 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM PDT THIS EVENING... * WHAT...Temperatures of 102 to 108 expected, with widespread Moderate HeatRisk and areas of Major HeatRisk today. * WHERE...Northern, Central, Southern Sacramento Valley and adjacent foothills, the northern San Joaquin Valley, and foothills of the Sierra. * WHEN...From 10 AM this morning to 10 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses, especially in those more sensitive to heat. * ADDITIONAL DETAILS...Hottest temperatures expected in the northern Sacramento Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Technical Header
CAZ124-125-129-131-134-137-141-142-144>155-157>164-040500- /O.NEW.KSTO.HT.Y.0003.260803T1700Z-260804T0500Z/ Shasta Metro-Shasta County Foothills 1000-3000 ft-Sierra (Tehama- Plumas) 1000-3000 ft-N. Motherlode 1000-3000 ft-Central Motherlode 1000-3000 ft-Southern Motherlode 1000-3000 ft-W Tehama Co Foothills 1000-3000 ft-N. Sac Valley in Tehama County-Central Glenn Co & Interstate 5-Eastern Glenn County-Butte County Below 1000 ft-W. Glenn/Colusa Foothills 1000-3000 ft-Central Colusa County Incl. I-5-Eastern Colusa County-Sutter/Yuba counties below 1000 ft-Yolo / Solano County Hills-W. Yolo County including Capay/I-505-C. Yolo/NE Solano including Woodland-Sac Metro/W. El Dorado/Amador County-C. Solano County including Fairfield- Sacramento County Delta-San Joaquin County Delta-C. San Joaquin County including Stockton-Tracy Triangle Below 1000 ft-NE San Joaquin Valley Below 1000 ft-E. Diablo Range Above 1000 ft-W. Stanislaus County Above 1000 ft & I-5-C. Stanislaus County including Modesto- Including the cities of Williams, Walnut Grove, Chico, Oroville, Gridley, Paradise, Fairfield, Vacaville, Yuba City, Beale AFB, Woodland, Dixon, Cameron Park, Shingle Springs, Placerville, Cool, Jackson, Colusa, Sonora, Angels Camp, Red Bluff, Esparto, Winters, Auburn, Grass Valley, Colfax, Nevada City, Willows, Orland, Tracy, Modesto, Turlock, Redding, Anderson, Lincoln, Roseville, Sacramento, Elk Grove, Folsom, Stockton, and Lodi 129 AM PDT Mon Aug 3 2026
