945
WWUS75 KTFX 300856
NPWTFX

URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
156 AM MST Sun Nov 30 2025

MTZ305-010000-
/O.NEW.KTFX.ZF.Y.0001.251130T0856Z-251130T1600Z/
/O.CON.KTFX.CW.Y.0018.000000T0000Z-251201T1700Z/
Hill County-
Including the following locations: Havre
156 AM MST Sun Nov 30 2025

...FREEZING FOG ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING...
...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST MONDAY...

* WHAT...For the Freezing Fog Advisory, visibility less than one
  mile in freezing fog. For the Cold Weather Advisory, very cold
  wind chills as low as 35 below.

* WHERE...Hill County.

* WHEN...For the Freezing Fog Advisory, until 9 AM MST this morning.
  For the Cold Weather Advisory, until 10 AM MST Monday.

* IMPACTS...The dangerously cold wind chills as low as 35 below zero
  could cause frostbite on exposed skin in as little as 10 minutes.
  Low visibility could make driving conditions hazardous.

* ADDITIONAL DETAILS...A light glaze of ice from the freezing fog
  will make for slick travel this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

MTZ303-304-309-310-312-301600-
/O.NEW.KTFX.ZF.Y.0001.251130T0856Z-251130T1600Z/
Eastern Glacier, Western Toole, and Central Pondera-Eastern Toole
and Liberty-Eastern Pondera and Eastern Teton-Western and Central
Chouteau County-Cascade County below 5000ft-
Including the following locations: Whitlash, Floweree, Lothair,
Ledger, Ethridge, Shelby, Fort Benton, Great Falls, Santa Rita,
Conrad, Devon, Joplin, Galata, Brady, Chester, Carter, and Cut
Bank
156 AM MST Sun Nov 30 2025

...FREEZING FOG ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING...

* WHAT...Visibility less than one mile in freezing fog.

* WHERE...The Interstate 15 Corridor north of Power, Eastern Toole
  and Liberty Counties, Western and Central Chouteau County, and
  Cascade County below 5000ft.

* WHEN...Until 9 AM MST this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

* ADDITIONAL DETAILS...A light glaze of ice from the freezing fog
  will make for slick travel this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

MTZ306-010000-
/O.CON.KTFX.CW.Y.0018.000000T0000Z-251201T1700Z/
Northern Blaine County-
Including the following locations: Harlem, Fort Belknap, Chinook,
Zurich, and Hogeland
156 AM MST Sun Nov 30 2025

...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST MONDAY...

* WHAT...Very cold wind chills of 25 to 35 below zero expected.

* WHERE...Northern Blaine County.

* WHEN...Until 10 AM MST Monday.

* IMPACTS...The dangerously cold wind chills as low as 35 below zero
  could cause frostbite on exposed skin in as little as 10 minutes.

* ADDITIONAL DETAILS...The coldest wind chills will occur tonight
  into Sunday morning and Sunday night into early Monday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

Ludwig