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Red Flag Warning


URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
109 PM MDT Fri Jul 18 2025

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR IDAHO
FIRE WEATHER ZONES 427 AND 413...

IDZ413-427-190600-
/O.CON.KPIH.FW.W.0006.000000T0000Z-250719T0600Z/
Caribou Range/Caribou NF-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
109 PM MDT Fri Jul 18 2025

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR IDAHO
FIRE WEATHER ZONES 427 AND 413...

* AFFECTED AREA...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...Critical fire weather conditions are expected this
  afternoon. Lightning may generate new fire starts. Any new
  fire starts or existing fires may spread rapidly.

* THUNDERSTORMS...25 to 45 percent coverage expected.

* OUTFLOW WINDS...A dry low level environment will promote the
  potential for storms to produce gusty outflow wind gusts in
  excess of 40 mph, locally higher to 50 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.

&&

$$

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Page last modified: June 2, 2009
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