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Frost, Montana Weather Forecast
Frost, Montana Weather
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Weather Forecast for Frost, Montana : Lewis and Clark County
Issued: 9:27 pm MST Dec 16, 2025 Latitude: 47.2916108 Longitude: -112.5841992 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
80% chance of rain & snow on Tonight 90% chance of blowing snow on Wednesday 70% chance of snow on Thursday 90% chance of snow on Friday 20% chance of snow on Saturday 20% chance of snow on Sunday Snow on Monday 20% chance of snow on Tuesday
Low: 40°F High: 22 °F High: 35°F High: 33°F High: 25°F High: 31°F High: 33°F High: 35°F
Low: 21°F Low: 30°F Low: 21°F Low: 21°F Low: 25°F Low: 24°F  
Rain & Snow Blowing Snow Snow Snow Snow Snow Snow Snow
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Current Conditions at
HELENA - (KHLN)
52°
Clear
as of 9:53 PM MST
Rel. Humidity: 34%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 24 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
GREAT FALLS - (KGTF)
45°
Feels like 36°F
Clear
as of 9:53 PM MST
Rel. Humidity: 56%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.67 in.
Flight Rule: VFR
Wind Data
18 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
MISSOULA - (KMSO)
48°
Feels like 44°F
Mostly Clear
as of 9:53 PM MST
Rel. Humidity: 57%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
9 MPH
250° West
Cloud Level(s): Few at 7500ft
80% chance of rain & snow Tonight Tonight... A chance of snow before 2am, then rain and snow. Steady temperature around 40. Windy, with a southwest wind 31 to 33 mph, with gusts as high as 70 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

90% chance of blowing snow Wednesday Wednesday... Rain and snow, becoming all snow after 10am. The snow could be heavy at times. Widespread blowing snow after 8am. Temperature falling to around 22 by 3pm. Windy, with a west wind 39 to 43 mph, with gusts as high as 85 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

30% chance of blowing snow Wednesday Night Wednesday Night... A 30 percent chance of snow before 11pm. Widespread blowing snow, mainly before 10pm. Mostly cloudy, with a low around 21. Wind chill values as low as zero. Windy, with a west wind 38 to 43 mph decreasing to 30 to 35 mph after midnight. Winds could gust as high as 80 mph. New snow accumulation of less than a half inch possible.

70% chance of snow Thursday Thursday... Snow likely after 11am. Mostly cloudy, with a high near 35. Breezy, with a southwest wind 19 to 24 mph decreasing to 11 to 16 mph in the morning. Winds could gust as high as 46 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

90% chance of snow Thursday Night Thursday Night... Snow. Low around 30. Breezy, with a southwest wind 15 to 20 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

90% chance of snow Friday Friday... Snow. High near 33. Breezy, with a west southwest wind 24 to 29 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

70% chance of snow Friday Night Friday Night... Snow likely, mainly before 11pm. Mostly cloudy, with a low around 21. West wind 16 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

20% chance of snow Saturday Saturday... A chance of snow. Partly sunny, with a high near 25. West southwest wind around 18 mph, with gusts as high as 40 mph.

20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 21.

20% chance of snow Sunday Sunday... A chance of snow, mainly after 11am. Partly sunny, with a high near 31.

Snow on Sunday Night Sunday Night... Snow likely. Mostly cloudy, with a low around 25.

Snow on Monday Monday... Snow likely. Partly sunny, with a high near 33.

20% chance of snow Monday Night Monday Night... A chance of snow. Mostly cloudy, with a low around 24.

20% chance of snow Tuesday Tuesday... A chance of snow. Partly sunny, with a high near 35.

Current Radar Image


Sun Almanac for Frost, Montana
Sunrise: 08:12 AM
Sunset: 4:41 PM
Civil Sunrise:07:37 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:58 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 06:20 AM
Astro Sunset: 6:33 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.