854
WWUS75 KMSO 262036
NPWMSO
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
136 PM PDT TUE AUG 26 2025
IDZ007-008-270400-
/O.EXT.KMSO.HT.Y.0007.000000T0000Z-250827T0400Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
136 PM PDT TUE AUG 26 2025
..HEAT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT THIS EVENING
* WHAT...MAJOR RISK OF HEAT EFFECTS.
* WHERE...LOWER HELLS CANYON/SALMON RIVER REGION AND
OROFINO/GRANGEVILLE REGION.
* WHEN...UNTIL 9 PM PDT THIS EVENING.
* IMPACTS...THIS LEVEL OF HEAT AFFECTS ANYONE WITHOUT EFFECTIVE
COOLING AND/OR ADEQUATE HYDRATION. IMPACTS LIKELY IN SOME HEALTH
SYSTEMS, HEAT-SENSITIVE INDUSTRIES AND INFRASTRUCTURE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page