Red Flag Warning

Locations Affected

Stockton, CA ∙ Sacramento, CA ∙ Elk Grove, CA ∙ Modesto, CA ∙ Fairfield, CA ∙ Roseville, CA ∙ Vallejo, CA ∙ Vacaville, CA ∙ Tracy, CA ∙ Redding, CA

Full Alert Message

URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1144 AM PDT Sat May 16 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONES 124,142,144,145,146,148,149,150,152,153,154,155,156, 157,158,159,160,161,163 AND 164... * Winds...North winds 20 to 30 mph. Gusts 35 to 45 mph, locally up to 50 mph around the Delta and the western Sacramento Valley. * Humidity...Daytime minimum humidities of 7 to 15%. Overnight maximum relative humidities of 20 to 55%. * Highest Threat...Along and west of the Interstate 5 corridor in the Sacramento Valley. Strongest winds are expected tonight through Sunday. * Impacts...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

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