Severe Wildfire ● Active
Red Flag Warning issued October 23 at 1:30PM MDT until October 24 at 12:00AM MDT by NWS Billings MT, United States of America
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
* IMPACTS: Low humidities, unseasonably warm temperatures, strong
gusty winds, and wind shift with a cold front will create erratic
fire behavior and difficult control of new or existing fires.
* AFFECTED AREA:
In North Central WY Fire Zone...274.
In Southeast MT Fire Zone...131.
In Southeast MT and Northwest SD Fire Zone...133.
* COUNTIES AFFECTED:
In North Central WY...Sheridan.
In Northwest SD...Harding.
In South Central MT...Big Horn.
In Southeast MT...Carter...Fallon...Powder River...Rosebud
Treasure.
The most dangerous conditions are expected along and southeast of
a Baker Montana to Sheridan Wyoming line.
* COLD FRONT: Late afternoon into early evening.
* WIND: Southwest 20 to 30 mph gusting up to 45 mph. Winds
shifting to the northwest behind a late day cold front, with
continued gusts to 45 mph through much of tonight.
* HUMIDITY: Minimums of 14 to 20 percent.
* TEMPERATURES: Highs of 75 to 85 degrees.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-10-24T00:00:00-06:00 |
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 reportThis event as JSON · API and licence
Source updated 1 hour ago (Oct 23, 2026 19:32 UTC) · we last heard from WMO Alert Hub (national weather services) 18 seconds ago
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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 Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM
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.