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Severe · Red Flag WarningActive alert

Red Flag Warning issued September 13 at 9:41AM PDT until September 14

Affecting South-Central Shasta County Including Redding Metro; Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft; Northern Sacramento Valley in Tehama County; Glenn and Colusa County Coast Range Above 3000 ft; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Western Glenn and Colusa County Foothills Between 1000-3000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft

In effect until: Sep 15, 2026, 12:00 AM

South-Central Shasta County Including Redding Metro; Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft; Northern Sacramento Valley in Tehama County; Glenn and Colusa County Coast Range Above 3000 ft; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Western Glenn and Colusa County Foothills Between 1000-3000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft

Likely impact; effects through 12:00 AM.

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.

Read the original bulletin (official text)
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT MONDAY DUE TO
WIND AND LOW RELATIVE HUMIDITY FOR A PORTION OF NORTHERN
CALIFORNIA...

* 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.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™