Red Flag Warning

Locations Affected

Sacramento, CA ∙ Stockton, CA ∙ Elk Grove, CA ∙ Modesto, CA ∙ Vallejo, CA ∙ Fairfield, CA ∙ Roseville, CA ∙ Chico, CA ∙ Citrus Heights, CA ∙ Vacaville, CA

Full Alert Message

URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1051 AM PDT Fri May 15 2026 ...RED FLAG WARNING IN EFFECT FROM 5 AM SATURDAY TO 8 PM PDT MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONES 124,142,144,145,146,148,149,150,152,153,154,155,156,157,158,159,16 0,161,163 AND 164... The National Weather Service in Sacramento has issued a Red Flag Warning for gusty winds and low humidity, which is in effect from 5 AM Saturday to 8 PM PDT Monday. The Fire Weather Watch is no longer in effect. * Winds...North winds 20 to 30 mph. Gusts 35 to 45 mph, locally up to 50 mph around the Delta and the far western Sacramento Valley. * Humidity...Daytime minimum humidities of 7 to 15%; Overnight maximum relative humidities 30 to 55%. * Highest Threat...Along and west of the Interstate 5 corridor in the Sacramento Valley. Strongest winds are expected Saturday night 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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