Red Flag Warning for Upper Snake River Valley/Idaho Falls BLM
If you are in immediate danger, call emergency services now.
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NWS Pocatello has issued a Red Flag Warning for gusty winds and low humidity in Fire Weather Zone 410 from noon to 9 PM MDT Friday.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Southeastern Idaho
- Issued
- September 11, 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
Red Flag Warning issued by NWS Pocatello ID. Effective from September 10 at 7:37 PM MDT, with onset at September 11 at 12:00 PM MDT and ending September 11 at 9:00 PM MDT.
Affected Areas
Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM in Southeastern Idaho.
What You Should Do
Prepare for critical fire weather conditions. Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains or 30 mph in the Snake Plain require caution as existing or new fires could grow rapidly.
Expected Conditions
Southwest winds 15 to 25 mph with gusts up to 40 mph. Relative humidity as low as 13 percent.
Timeline
Warning in effect from noon to 9 PM MDT Friday, September 11.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (737 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 11, 2026.
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