812
WWUS75 KMSO 221727
NPWMSO

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1027 AM PDT Fri Aug 22 2025

IDZ007-008-241730-
/O.NEW.KMSO.HT.Y.0007.250823T1900Z-250828T0400Z/
Orofino/Grangeville Region-Lower Hells Canyon/Salmon River Region-
1027 AM PDT Fri Aug 22 2025

...HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 9 PM PDT
WEDNESDAY...

* WHAT...Major risk of heat effects expected.  Temperatures reaching
  100 to 107 in the lower valleys, with nighttime temperatures only
  dropping into the upper 60s.

* WHERE...Lower Hells Canyon/Salmon River Region and
  Orofino/Grangeville Region.

* WHEN...From noon Saturday to 9 PM PDT Wednesday.

* 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.

&&

$$