854
WWUS85 KPIH 160750
RFWPIH

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
150 AM MDT Sat Aug 16 2025

IDZ411-413-475-476-170300-
/O.CON.KPIH.FW.W.0018.250816T1800Z-250817T0300Z/
Centennial Mountains and Snake River Range/Targhee NF-
Caribou Range/Caribou NF-East Salmon River Mountains/Salmon NF-
Lemhi and Lost River Range/Challis NF-
150 AM MDT Sat Aug 16 2025

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

* AFFECTED AREA...Fire Weather Zone 411 Centennial Mountains and
  Snake River Range/Targhee NF, Fire Weather Zone 413 Caribou
  Range/Caribou NF, Fire Weather Zone 475 East Salmon River
  Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost
  River Range/Challis NF.

* THUNDERSTORMS...25 to 40 percent coverage.

* OUTFLOW WINDS...A dry low-level environment will promote
  stronger storms capable of producing wind gusts up to 50 to 60
  mph.

* IMPACTS...Critical fire weather conditions are expected Saturday
  afternoon and evening. Lightning may generate new fire starts.
  Any new fire starts or existing fires may spread rapidly.

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.

&&

$$