Severe Wildfire ● Active
Red Flag Warning issued October 22 at 10:45PM MDT until October 23 at 8:00PM MDT by NWS Riverton WY, 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 could
cause erratic fire behavior.
* AFFECTED AREA:
In North Central WY...Fire Weather Zone 281.
* COUNTIES AFFECTED:
In North Central WY...Johnson.
* COLD FRONT: Moves in after 6 PM MDT Friday, with northwesterly 20
to 30 mph winds and gusts up to 40 mph.
* WIND: Southwest 30 to 40 mph with gusts up to 55 mph.
* HUMIDITY: As low as 20 percent.
* TEMPERATURES: Highs in the upper 60s.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Johnson County/Casper BLM |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-10-23T20:00:00-06:00 |
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 04:46 UTC) · we last heard from WMO Alert Hub (national weather services) 56 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: Johnson 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.