Red Flag Warning Issued for East Salmon River Mountains and Lemhi Range

Source: NOAA · Southeastern Idaho

If you are in immediate danger, call emergency services now.

For real-time, official alerts and instructions for your exact location, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia) as applicable. This article is a data summary, not a substitute for the issuing agency's live warning.

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS Pocatello has issued a Red Flag Warning for gusty winds and low humidity in fire weather zones 475 and 476, effective from noon to 9 PM MDT Sunday.

Read this weather record in 30 seconds

Record type
Red Flag Warning
Affected area
Southeastern Idaho
Issued
August 9, 2026
Issuing authority
NWS Pocatello ID

Fire-weather notices describe conditions that can support rapid fire spread; they do not report that a fire is present. Check local emergency sources for any active incident.

Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

A Red Flag Warning was issued by the National Weather Service in Pocatello ID on August 8 at 9:05 PM MDT. The alert is effective from noon to 9 PM MDT on August 9 for gusty winds and low relative humidity.

Affected Areas

The warning covers Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF in Southeastern Idaho.

What You Should Do

A Red Flag Warning means critical fire weather conditions are expected. Residents should prepare for rapid fire spread and extreme wildfire intensity based on the criteria of relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains.

Expected Conditions

Winds will be west 5 to 15 mph with gusts up to 30 mph. Relative humidity will drop as low as 12 percent.

Timeline

The warning is in effect from 12:00 PM MDT August 9 through 9:00 PM MDT August 9.

Original source: NOAA Official Notice ↗

All Weather Alerts →

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Pocatello has issued a Red Flag Warning for gusty winds and low humidity in fire weather zones 475 and 476, effective from noon to 9 PM MDT Sunday.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southeastern Idaho. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.