Severe Wildfire ● Closed
Fire Weather Watch issued September 18 at 5:34AM MDT until September 18 at 9:00PM MDT by NWS Boise ID, United States of America
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...SCATTERED THUNDERSTORMS WITH GUSTY WINDS AND LITTLE RAINFALL...
A strong low pressure system in northeastern California will
bring scattered thunderstorms this afternoon and evening with
outflow wind gusts up to 50 mph and little rainfall. As the low
moves into southeastern Oregon late tonight and southwestern
Idaho on Friday, scattered thunderstorms will develop again,
especially on the Idaho side.
* AFFECTED AREA...In Idaho, Fire Weather Zones 403 Northern
Boise National Forest, 421 Southern Boise/Western Sawtooth NF,
including the Camas Prairie, 423 Owyhee Mountains, 424 Western
Twin Falls BLM and 426 Southern Highlands.
* TIMING...Through this evening.
* WINDS...Northwest 10 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...40 to 54 percent.
* TEMPERATURES...60 to 70 degrees.
* THUNDERSTORMS...Scattered coverage with abundant lightning.
* OUTFLOW WINDS...Gusty erratic winds up to 40 mph.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Northern Boise National Forest; Southern Boise/Western Sawtooth NF, including the Camas Prairie; Owyhee Mountains; Western Twin Falls BLM; Southern Highlan |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-09-18T16:00:00-06:00 |
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 31 days ago (Sep 18, 2026 11:35 UTC) · we last heard from WMO Alert Hub (national weather services) 55 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 Boise National Forest; Southern Boise/Western Sawtooth NF, including the Camas Prairie; Owyhee Mountains; Western Twin Falls BLM; Southern Highlan
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.