Severe Wildfire ● Closed

Red Flag Warning issued September 25 at 9:58AM PDT until September 25 at 10:00PM PDT by NWS Reno NV, United States of America

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

* Affected Area...Fire Weather Zone 420 Northern Sierra Front
including Carson City, Douglas, Storey, Southern Washoe,
Western Lyon, and Far Southern Lassen Counties, Fire Weather
Zone 421 Southern Sierra Front including Alpine, Northern
Mono, Southern Lyon, and Western Mineral Counties.

* Winds...Southwest to west winds 20 to 30 mph with gusts up to 45
mph.

* Humidity...As low as 17 percent in the afternoon.

* Duration...4 to 7 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.

Measurements

Coordinates39.9645, -100.8105
RegionNorthern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties; Southern Sierra Front - Alpine/Northern Mono/
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyExpected
Cap CertaintyLikely
Cap Expires2026-09-25T22:00:00-07:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

Also reported by: WMO

This event as JSON · API and licence

Source updated 24 days ago (Sep 25, 2026 16:59 UTC) · we last heard from WMO Alert Hub (national weather services) 29 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

About this location

The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.

Area as the agency stated it: Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties; Southern Sierra Front - Alpine/Northern Mono/

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

More for United States →

What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

Defensible space, evacuation go-bags, smoke protection, and returning home safely after a wildfire.

Open Wildfire Safety Guide →

Earlier wildfire events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Nearby & related events

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.