315
WWUS86 KSTO 131641
RFWSTO
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
941 AM PDT SUN SEP 13 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT MONDAY DUE TO
WIND AND LOW RELATIVE HUMIDITY FOR A PORTION OF NORTHERN
CALIFORNIA...
CAZ124-129-142>150-150000-
/O.CON.KSTO.FW.W.0005.000000T0000Z-260915T0000Z/
SHASTA METRO-SIERRA (TEHAMA-PLUMAS) 1000-3000 FT-N. SAC VALLEY IN
TEHAMA COUNTY-GLENN/COLUSA COAST RANGE ABOVE 3000 FT-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-
941 AM PDT SUN SEP 13 2026
..RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT MONDAY
* AFFECTED AREA...A PORTION OF NORTHERN CALIFORNIA.
* TIMING...UNTIL 5 PM PDT MONDAY.
* WINDS...NORTH TO NORTHWEST WINDS GUSTING 20 TO 35 MPH. STRONGEST
PERIOD OF NORTH WINDS EXPECTED TONIGHT INTO MONDAY MORNING.
* RELATIVE HUMIDITY...RELATIVE HUMIDITY BETWEEN 10 TO 20 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.
FORREST
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