WWUS85 KPIH 211853
RFWPIH

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
1253 PM MDT Sun Jun 21 2026

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM MDT MONDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 425...

IDZ425-221100-
/O.NEW.KPIH.FW.W.0005.260622T1900Z-260623T0300Z/
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
1253 PM MDT Sun Jun 21 2026

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM MDT MONDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 425...

The National Weather Service in Pocatello has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from 1 PM to 9 PM MDT Monday.

* AFFECTED AREA...Fire Weather Zone 425 Middle Snake River
  Valley/Twin Falls BLM north of the Snake River.

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

* RELATIVE HUMIDITY...As low as 9 percent.

* IMPACTS...Gusty winds and low humidity contributes to rapid fire
  spread and high intensity should a wildfire get established.
  Extreme fire behavior can also result.

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.

&&

$$