One product issued by NWS for: 4 Miles NNE Grass Valley CA
Heat Advisory
URGENT - WEATHER MESSAGE National Weather Service Sacramento CA 851 AM PDT Wed Oct 7 2026 CAZ122-124-125-129-131-134-137-141-142-144>164-082100- /O.EXT.KSTO.HT.Y.0006.000000T0000Z-261009T0500Z/ W. Shasta County 1000-3000 ft-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-SW Solano County including Vallejo- 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 Vallejo, Benicia, Chico, Oroville, Gridley, Sonora, Angels Camp, Walnut Grove, Woodland, Dixon, Fairfield, Vacaville, Williams, Whiskeytown, Yuba City, Beale AFB, Stockton, Lodi, Tracy, Paradise, Auburn, Grass Valley, Colfax, Nevada City, Lincoln, Roseville, Sacramento, Elk Grove, Folsom, Willows, Orland, Esparto, Winters, Red Bluff, Colusa, Modesto, Turlock, Cameron Park, Shingle Springs, Placerville, Cool, Jackson, Redding, and Anderson 851 AM PDT Wed Oct 7 2026 ...HEAT ADVISORY NOW IN EFFECT UNTIL 10 PM PDT THURSDAY... * WHAT...High temperatures of 92 to 101 degrees expected and overnight low temperatures in the mid 60s to low 70s, with widespread Moderate HeatRisk and areas of Major HeatRisk. * WHERE...The Sacramento and northern San Joaquin Valleys, Delta and Carquinez Strait, and foothills. * WHEN...Until 10 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses, especially to anyone without effective cooling and/or adequate hydration. * ADDITIONAL DETAILS...Hottest days expected Today and Thursday. Temperatures begin a cooling trend on Friday, with Moderate HeatRisk in the foothill thermal belts and in Sacramento; Minor HeatRisk elsewhere. 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ For more information, visit us at www.weather.gov/sto/ Wood