Headline:
Red Flag Warning issued July 27 at 12:34AM MDT until July 27 at 9:00PM MDT by NWS Pocatello ID
Event:
Red Flag Warning
Urgency:
Expected
Effective:
July 26, 2026 - 11:34pm
Expires:
July 27, 2026 - 8:00pm
Description:
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 475 AND 476...
* AFFECTED AREA...Fire Weather Zone 475 East Salmon River
Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost
River Range/Challis NF.
* WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. Locally
high gusts are possible due to virga.
* RELATIVE HUMIDITY...As low as 13 percent.
* IMPACTS...Wind and low humidity can lead to rapid spread of
fire and more intense fire in receptive fuels.
Instruction:
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:
- 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.
Area Description:
East Salmon River Mountains/Salmon NF; Lemhi and Lost River Range/Challis NF
Forcast Office:
NWS Pocatello ID
Sender: