Hazard Report Provided By forecast.weather.gov

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1259 PM MST Thu Dec 11 2025

MTZ307-317-318-121100-
/O.UPG.KTFX.WS.A.0019.251212T0700Z-251213T1200Z/
/O.NEW.KTFX.WS.W.0020.251212T0700Z-251213T0100Z/
/O.EXT.KTFX.WW.Y.0055.000000T0000Z-251212T0700Z/
Southern Rocky Mountain Front-Little Belt and Highwood Mountains-
Snowy and Judith Mountains-
Including the following locations: Monarch, Rogers Pass, Kings
Hill Pass, and Neihart
1259 PM MST Thu Dec 11 2025

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...
...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MST
FRIDAY...

* WHAT...For the Winter Weather Advisory, snow. Additional snow
  accumulations between 2 and 7 inches. Winds gusting as high as 40
  mph. For the Winter Storm Warning, heavy snow expected. Total snow
  accumulations between 6 and 12 inches, with localized amounts
  approaching 20 inches in the Island Ranges. Winds gusting as high
  as 35 mph.

* WHERE...The Highwood, Little Belt, Judith, and Snowy Mountains,
  and Southern Rocky Mountain Front.

* WHEN...For the Winter Weather Advisory, until midnight MST
  tonight. For the Winter Storm Warning, from midnight tonight to 6
  PM MST Friday.

* IMPACTS...Tire chains may be required for some vehicles if
  traveling through mountain passes. Roads, and especially bridges
  and overpasses, will likely become slick and hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1259 PM MST Thu Dec 11 2025

MTZ307-317-318-121100-
/O.UPG.KTFX.WS.A.0019.251212T0700Z-251213T1200Z/
/O.NEW.KTFX.WS.W.0020.251212T0700Z-251213T0100Z/
/O.EXT.KTFX.WW.Y.0055.000000T0000Z-251212T0700Z/
Southern Rocky Mountain Front-Little Belt and Highwood Mountains-
Snowy and Judith Mountains-
Including the following locations: Monarch, Rogers Pass, Kings
Hill Pass, and Neihart
1259 PM MST Thu Dec 11 2025

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...
...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MST
FRIDAY...

* WHAT...For the Winter Weather Advisory, snow. Additional snow
  accumulations between 2 and 7 inches. Winds gusting as high as 40
  mph. For the Winter Storm Warning, heavy snow expected. Total snow
  accumulations between 6 and 12 inches, with localized amounts
  approaching 20 inches in the Island Ranges. Winds gusting as high
  as 35 mph.

* WHERE...The Highwood, Little Belt, Judith, and Snowy Mountains,
  and Southern Rocky Mountain Front.

* WHEN...For the Winter Weather Advisory, until midnight MST
  tonight. For the Winter Storm Warning, from midnight tonight to 6
  PM MST Friday.

* IMPACTS...Tire chains may be required for some vehicles if
  traveling through mountain passes. Roads, and especially bridges
  and overpasses, will likely become slick and hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

&&

$$

Hazard Report Provided By forecast.weather.gov