Severe Wildfire ● Closed

Fire Weather Watch issued October 7 at 11:50AM MDT until October 9 at 7:00PM MDT by NWS Riverton WY, United States of America

Event time: Last updated: 3 days ago United States
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.

The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect from Friday afternoon through Friday
evening.

* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and
Strong Gusty Winds could cause erratic fire behavior.

* AFFECTED AREA:
In Central WY Fire Zones...280...289.
In North Central WY Fire Zone....281.
In Southwest WY Fire Zone....279.

* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In North Central WY...Johnson.
In Southwest WY...Sweetwater.

* WIND: Southwest 15 to 25 mph with gusts up to 35 to 40 mph.

* HUMIDITY: As low as 10 to 15 percent.

* TEMPERATURES: Highs in the 70s and low 80s.

Measurements

Coordinates39.9645, -100.8105
RegionSweetwater County/Rock Springs BLM/Flaming Gorge NRA; Natrona County/Casper BLM; Johnson County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyFuture
Cap CertaintyPossible
Cap Expires2026-10-08T07:00:00-06:00

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

This event as JSON · API and licence

Source updated 12 days ago (Oct 7, 2026 17:51 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: Sweetwater County/Rock Springs BLM/Flaming Gorge NRA; Natrona County/Casper BLM; Johnson County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains

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.

Red Flag Warning issued September 7 at 9:33AM MDT until September 7 at 7:00PM MDT by NWS Rapid City SD, United States of America Severe Wildfire United States closed via WMO Sep 7, 2026 Red Flag Warning issued September 6 at 10:40AM PDT until September 6 at 8:00PM PDT by NWS Reno NV, United States of America Severe Wildfire United States closed via WMO Sep 6, 2026 Active Fire Zone — 168 satellite detections (24h) Severe Wildfire United States closed via FIRMS Aug 26, 2026 Active Fire Zone — 433 satellite detections (24h) Severe Wildfire United States closed via FIRMS Aug 25, 2026

Nearby & related events

Gale Warning issued October 19 at 3:44PM AKDT until October 20 at 5:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 9 min ago Beach Hazards Statement issued October 19 at 7:43PM EDT until October 20 at 8:00PM EDT by NWS Wilmington NC, United States of America Moderate Storm Surge United States active via WMO 10 min ago Rip Current Statement issued October 19 at 7:43PM EDT until October 20 at 8:00PM EDT by NWS Wilmington NC, United States of America Moderate Extreme Weather United States active via WMO 10 min ago Gale Warning issued October 19 at 3:41PM AKDT until October 20 at 5:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 12 min ago Gale Warning issued October 19 at 3:41PM AKDT until October 21 at 5:00AM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 12 min ago

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.