150
WWUS85 KPIH 220856
RFWPIH
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
256 AM MDT MON JUN 22 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...
IDZ425-230300-
/O.CON.KPIH.FW.W.0005.260622T1900Z-260623T0300Z/
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM NORTH OF THE SNAKE RIVER-
256 AM MDT MON JUN 22 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONE 425...
* 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.
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