Severe · Red Flag WarningActive alert

Red Flag Warning issued August 31 at 11:42AM PDT until September 1

Affecting Surprise Valley California; Eastern Lassen County; Northern Washoe County

In effect until: Sep 1, 2026, 4:00 PM

Surprise Valley California; Eastern Lassen County; Northern Washoe County

Likely impact; effects through 4:00 PM.

Avoid outdoor activities that can cause a spark near dry vegetation, such as yard work, target shooting, or campfires. Follow local fire restrictions. Check weather.gov/reno for updates and livingwithfire.info for preparedness tips.

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The National Weather Service in Reno has issued a Red Flag
Warning for gusty winds and low humidity, which is in effect from
11 AM to 11 PM PDT Tuesday. The Fire Weather Watch is no longer
in effect.

* CHANGES...The Fire Weather Watch has been upgraded to a Red Flag
Warning.

* Affected Area...Fire Weather Zone 270 Surprise Valley
California, Fire Weather Zone 278 Eastern Lassen County, Fire
Weather Zone 458 Northern Washoe County, including the S-1 Vya
Fire.

* Winds...Southwest 15 to 25 mph with gusts of 30 to 40 mph.
Ridgetop gusts up to 45 mph. Winds shift to westerly in the
late afternoon and evening.

* Humidity...RH reductions to 12 to 17 percent in the afternoon.
Nighttime recoveries of 50 to 80 percent Wednesday morning.

* Duration...3 to 6 hours.

* Impacts...The combination of gusty winds and low humidity can
cause fire to rapidly grow in size and intensity before first
responders can contain them.

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

Red Flag Warning issued August 31 at 11:42AM PDT until September 1

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