081
WWUS75 KMSO 031642
NPWMSO

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1042 AM MDT Wed Sep 3 2025

MTZ002-003-041645-
/O.NEW.KMSO.WI.Y.0008.250904T1200Z-250905T0600Z/
West Glacier Region-Flathead/Mission Valleys-
1042 AM MDT Wed Sep 3 2025

...WIND ADVISORY IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT MDT
THURSDAY NIGHT...

* WHAT...Northeast winds 10 to 20 mph with gusts up to 40 mph
  expected. Isolated higher gusts along Highway 35 on the east side
  of Flathead Lake and the Swan Range, as well as Highway 93 on the
  western slopes of the Whitefish Range.

* WHERE...Flathead/Mission Valleys and West Glacier Region.

* WHEN...From 6 AM Thursday to midnight MDT Thursday Night.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

* ADDITIONAL DETAILS...Those planning to recreate on area lakes,
  especially Flathead Lake should be prepared for choppy conditions
  and strong gusty winds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$

IDZ007-008-040600-
/O.CON.KMSO.HT.Y.0008.000000T0000Z-250904T0600Z/
Orofino/Grangeville Region-Lower Hells Canyon/Salmon River Region-
942 AM PDT Wed Sep 3 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...Extreme risk of heat effects.

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

* WHEN...Until 11 PM PDT this evening.

* IMPACTS...This level of rare and/or long duration extreme heat
  with little to no overnight relief affects anyone without
  effective cooling and/or adequate hydration. Impacts likely in
  most 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.

&&

$$

MTZ001-004-040600-
/O.CON.KMSO.HT.Y.0008.000000T0000Z-250904T0600Z/
Kootenai/Cabinet Region-Lower Clark Fork Region-
1042 AM MDT Wed Sep 3 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

* WHAT...Moderate risk of heat effects.

* WHERE...Kootenai/Cabinet Region and Lower Clark Fork Region.

* WHEN...Until midnight MDT tonight.

* IMPACTS...This level of heat affects most individuals sensitive to
  heat, especially those without effective cooling and/or adequate
  hydration. Impacts possible in some health systems and in
  heat-sensitive industries.

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.

&&

$$