282
WWUS85 KPIH 120232
RFWPIH

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
832 PM MDT Fri Sep 11 2026

IDZ410-120345-
/O.EXP.KPIH.FW.W.0025.000000T0000Z-260912T0300Z/
Upper Snake River Valley/Idaho Falls BLM-
832 PM MDT Fri Sep 11 2026

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
FOR IDAHO FIRE WEATHER ZONE 410...

Winds are beginning to weaken and humidity is gradually climbing.
The red flag warning will be allowed to expire.

$$

IDZ427-121200-
/O.UPG.KPIH.FW.A.0004.260912T1800Z-260913T0300Z/
/O.NEW.KPIH.FW.W.0026.260912T1800Z-260913T0300Z/
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
832 PM MDT Fri Sep 11 2026

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR IDAHO FIRE WEATHER ZONE
427...

The National Weather Service in Pocatello has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from noon to 9 PM MDT Saturday. The Fire Weather Watch is
no longer in effect.

* AFFECTED AREA...Fire Weather Zone 427 Goose Creek and Raft
  River Valley/Southern Sawtooth NF/Twin Falls BLM south of the
  Snake River.

* WINDS...West 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 14 percent.

* IMPACTS...Low humidity and moderate to strong wind causes
  rapid fire spread and higher intensity wildfires.

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.

&&

$$

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