492
WWUS85 KPIH 040752
RFWPIH

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
152 AM MDT Mon Aug 4 2025

IDZ410-413-050300-
/O.CON.KPIH.FW.W.0012.250804T2000Z-250805T0300Z/
Upper Snake River Valley/Idaho Falls BLM-Caribou Range/Caribou NF-
152 AM MDT Mon Aug 4 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR IDAHO FIRE WEATHER ZONES 410 AND 413...

* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River
  Valley/Idaho Falls BLM and Fire Weather Zone 413 Caribou
  Range/Caribou NF. Mostly likely area affected are areas west of
  the Snake River for Fire Weather Zone 410 and nearly all of Fire
  Weather Zone 413.

* WINDS...Southwest 15 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...As low as 13 percent.

* IMPACTS...The combination of gusty winds and low humidity with
  critically dry fuels may result in extreme fire behavior.

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.

&&

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