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Lanark, Montana Weather Forecast
Lanark, Montana Weather
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Weather Forecast for Lanark, Montana : Roosevelt County
Issued: 1:50 pm MST Dec 16, 2025 Latitude: 48.1430761 Longitude: -104.3574483 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Cloudy on Overnight 70% chance of freezing rain on Wednesday Mostly Sunny on Thursday 20% chance of rain & snow on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday 10% chance of snow on Monday Partly Sunny on Tuesday
Low: 29°F High: 43°F High: 21°F High: 41°F High: 14°F High: 24°F High: 30°F High: 25°F
Low: -1°F Low: 8 °F Low: 1 °F Low: 1 °F Low: 7 °F Low: 4°F  
Mostly Cloudy Freezing Rain Mostly Sunny Rain & Snow Mostly Sunny Mostly Sunny Snow Partly Sunny
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Current Conditions at
WOLF POINT - (KOLF)
21°
Clear
as of 1:53 AM MST
Rel. Humidity: 100%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.59 in.
Flight Rule: VFR
Wind Data
5 MPH
080° East
Cloud Level(s): Clear
Current Conditions at
GLENDIVE - (KGDV)
37°
Feels like 30°F
Clear
as of 1:56 AM MST
Rel. Humidity: 74%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.66 in.
Flight Rule: VFR
Wind Data
10 MPH
180° South
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a steady temperature around 29. South wind around 10 mph.

70% chance of freezing rain Wednesday Wednesday... Rain or freezing rain likely before 3pm, then a chance of rain showers after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 43. Windy, with a southeast wind 11 to 21 mph becoming west 24 to 34 mph. Winds could gust as high as 47 mph. Chance of precipitation is 70%. Little or no ice accumulation expected.

70% chance of blowing snow Wednesday Night Wednesday Night... A chance of rain and snow showers before 7pm, then snow showers likely. Widespread blowing snow between 8pm and 2am. Cloudy, with a low around -1. Wind chill values between -10 and -20. Windy, with a west wind 24 to 34 mph becoming north northwest after midnight. Winds could gust as high as 47 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 21. Wind chill values between -10 and -20. North northwest wind 6 to 14 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph.

30% chance of snow Thursday Night Thursday Night... A 30 percent chance of snow, mainly between 11pm and 5am. Mostly cloudy, with a low around 8. Southeast wind 10 to 15 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

20% chance of rain & snow Friday Friday... A slight chance of snow before 8am, then a slight chance of rain between 8am and 11am. Partly sunny, with a high near 41. Breezy, with a south wind 16 to 23 mph becoming west northwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 20%.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 1. Northwest wind 10 to 17 mph, with gusts as high as 29 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 14. Northwest wind around 8 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 1. Northeast wind around 7 mph becoming south after midnight.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 24. Southwest wind 6 to 8 mph becoming east in the afternoon.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 7. East southeast wind around 7 mph.

10% chance of snow Monday Monday... A slight chance of snow. Mostly cloudy, with a high near 30.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 4.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 25.

Current Radar Image


Sun Almanac for Lanark, Montana
Sunrise: 07:43 AM
Sunset: 4:05 PM
Civil Sunrise:07:06 AM
Civil Sunset: 4:41 PM
Nautical Sunrise: 06:27 AM
Nautical Sunset: 5:21 PM
Astro Sunrise: 05:49 AM
Astro Sunset: 5:59 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.