689
WWUS85 KPIH 130716
RFWPIH

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
116 AM MDT Thu Aug 13 2026

...CRITICAL FIRE WEATHER CONDITIONS THURSDAY DUE TO SCATTERED
THUNDERSTORMS...

IDZ410-411-413-422-425-427-475-476-140300-
/O.CON.KPIH.FW.W.0021.260813T1800Z-260814T0300Z/
Upper Snake River Valley/Idaho Falls BLM-
Centennial Mountains and Snake River Range/Targhee NF-
Caribou Range/Caribou NF-Sawtooth Range/Northern Sawtooth NF-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
East Salmon River Mountains/Salmon NF-
Lemhi and Lost River Range/Challis NF-
116 AM MDT Thu Aug 13 2026

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR SCATTERED THUNDERSTORMS FOR IDAHO FIRE WEATHER
ZONES 410, 411, 413, 422, 425, 427, 475, AND 476...

* 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, Fire Weather Zone 422 Sawtooth
  Range/Northern Sawtooth NF, Fire Weather Zone 425 Middle Snake
  River Valley/Twin Falls BLM north of the Snake River, Fire
  Weather Zone 427 Goose Creek and Raft River Valley/Southern
  Sawtooth NF/Twin Falls BLM south of the Snake River, Fire
  Weather Zone 475 East Salmon River Mountains/Salmon NF and
  Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF.

* IMPACTS...Frequent lightning will increase risk of new fire
  starts.

* THUNDERSTORMS...Scattered coverage with frequent lightning.

* OUTFLOW WINDS...Erratic winds 35 to 45 mph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$