187
WWUS75 KMSO 011858
NPWMSO

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1258 PM MDT Mon Sep 1 2025

MTZ001-004-021900-
/O.EXB.KMSO.HT.Y.0008.250902T1800Z-250904T0600Z/
Kootenai/Cabinet Region-Lower Clark Fork Region-
1258 PM MDT Mon Sep 1 2025

...HEAT ADVISORY IN EFFECT FROM NOON TUESDAY TO MIDNIGHT MDT
WEDNESDAY NIGHT...

* WHAT...Moderate to major risk of heat effects expected.

* WHERE...Lower valleys of Lincoln and Sanders counties.

* WHEN...From noon Tuesday to midnight MDT Wednesday Night.

* 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.

&&

$$

IDZ007-008-021900-
/O.CON.KMSO.HT.Y.0008.250901T1900Z-250903T0400Z/
Orofino/Grangeville Region-Lower Hells Canyon/Salmon River Region-
1158 AM PDT Mon Sep 1 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY...

* WHAT...Major risk of heat effects expected.

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

* WHEN...Until 9 PM PDT Tuesday.

* 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.

&&

$$