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Red Flag Warning

Status

New Event Active alert

Start Time

Sat 09/12/2026 02:00 PM EDT

End Time

Mon 09/14/2026 02:00 PM EDT

Significance

Warning

Impacts

High impact

Headline

...RED FLAG WARNING IN EFFECT FROM 11 AM SATURDAY TO 11 AM PDT MONDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR PORTIONS OF NORTHERN CALIFORNIA...

Full Alert Message

URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1002 AM PDT Fri Sep 11 2026 ...RED FLAG WARNING IN EFFECT FROM 11 AM SATURDAY TO 11 AM PDT MONDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR PORTIONS OF NORTHERN CALIFORNIA... ...RED FLAG WARNING IN EFFECT FROM 11 AM SATURDAY TO 11 AM PDT MONDAY... The National Weather Service in Sacramento CA has issued a Red Flag Warning in effect from 11 AM Saturday to 11 AM PDT Monday. * AFFECTED AREA...A portion of northern California. * TIMING...From 11 AM Saturday to 11 AM PDT Monday. * WINDS...Gusts 20 to 35 mph. South to southwest winds Saturday morning and afternoon, becoming north to northeast Saturday evening through Monday. Strongest winds in the afternoon and evenings over the weekend. * RELATIVE HUMIDITY...Relative Humidity between 10 to 25 percent. * IMPACTS...Any fires that develop will spread rapidly. 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.

Technical Header

CAZ124-129-142-144>146-148>150-122315- /O.UPG.KSTO.FW.A.0004.260912T1800Z-260914T1800Z/ /O.NEW.KSTO.FW.W.0005.260912T1800Z-260914T1800Z/ Shasta Metro-Sierra (Tehama-Plumas) 1000-3000 ft-N. Sac Valley in Tehama County-Central Glenn Co & Interstate 5-Eastern Glenn County-Butte County Below 1000 ft-Central Colusa County Incl. I-5- Eastern Colusa County-Sutter/Yuba counties below 1000 ft- 1002 AM PDT Fri Sep 11 2026