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Updated:August 22, 2026 5:45 pm PDT

Red Flag Warning RED FLAG WARNING  
Lassen County

  Effective: Sat, 8/22 1:05am Severity:  Severe 
  Updated: August 22, 2026 5:45 pm Urgency: Expected
  Expires: Sat, 8/22 11:00pm Certainty: Likely

Areas Affected: Surprise Valley California - Eastern Lassen County - Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties - Northern Washoe County
 
Alert Details:
* CHANGES...No changes.

* Affected Area...Fire Weather Zone 270 Surprise Valley
California, Fire Weather Zone 278 Eastern Lassen County, Fire
Weather Zone 420 Northern Sierra Front including Carson City,
Douglas, Storey, Southern Washoe, Western Lyon, and Far
Southern Lassen Counties, Fire Weather Zone 458 Northern
Washoe County.

* Winds...Southwest 15 to 25 mph with gusts up to 40 mph.

* Humidity...As low as 12 percent.

* Duration...3 to 6 hours between 11 AM and 11 PM PDT.

* 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.

Information:
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.
Lake Wind Advisory LAKE WIND ADVISORY  
Lassen County

  Effective: Fri, 8/21 11:22am Severity:  Moderate 
  Updated: August 22, 2026 5:45 pm Urgency: Expected
  Expires: Sat, 8/22 11:00pm Certainty: Likely

Areas Affected: Lassen-Eastern Plumas-Eastern Sierra Counties
 
Alert Details:
* WHAT...Southwest winds 15 to 20 mph with gusts up to 35 mph for
Stampede Reservoir, Lake Davis, Antelope Lake, and Eagle Lake.

* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties.

* WHEN...From 11 AM to 11 PM PDT Saturday.

* IMPACTS...Gusty winds and increased wave heights on area lakes will
create hazardous conditions for small boats, kayaks and paddle
boards.

Information:
Check lake conditions before heading out and be prepared for a sudden
increase in winds and wave heights. Consider postponing boating
activities on the lake until a day with less wind.