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Red Flag Warning — IDZ410, IDZ411, IDZ413, IDZ427
Issued
3:00 PM CDT · Wed, Jul 29 2026
Expires
10:00 PM CDT · Wed, Jul 29 2026
Issuing Office
NWS KPIH

Affected Areas

IDZ410 IDZ411 IDZ413 IDZ427

Official Bulletin

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 9 PM MDT TODAY FOR
SCATTERED THUNDERSTORMS FOR IDAHO FIRE WEATHER ZONES 410, 411,
413 AND 427...

The National Weather Service in Pocatello has issued a Red Flag
Warning for scattered thunderstorms, which is in effect from 2 PM
this afternoon to 9 PM MDT this evening.

* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River
Valley/Idaho Falls BLM, Fire Weather Zone 411 Centennial
Mountains and Snake River Range/Targhee NF, Fire Weather Zone
413 Caribou Range/Caribou NF and Fire Weather Zone 427 Goose
Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River.

* IMPACTS...Scattered thunderstorms can produce frequent
lightning that may in turn produce wildfire starts in
receptive fuels.

* THUNDERSTORMS...A mix of wet and dry storms.

* OUTFLOW WINDS....Gusts over 35 mph with peak gusts nearing 45-
55 mph.

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.

- Thunderstorm coverage of 25 percent, without specific rainfall
criteria.

- Other high impact events deemed critical by the National
Weather Service and area fire management agencies.