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Windham, Montana Weather Forecast
Windham, Montana Weather
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Weather Forecast for Windham, Montana : Judith Basin County
Issued: 9:27 pm MST Dec 16, 2025 Latitude: 47.0785777 Longitude: -110.1404809 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
10% chance of rain on Overnight 60% chance of rain & snow on Wednesday 20% chance of snow on Thursday 50% chance of rain & snow on Friday 10% chance of snow on Saturday Partly Sunny on Sunday 20% chance of rain & snow on Monday Partly Sunny on Tuesday
Low: 40°F High: 32 °F High: 46°F High: 49°F High: 39°F High: 42°F High: 46°F High: 48°F
Low: 22°F Low: 33°F Low: 21°F Low: 22°F Low: 27°F Low: 27°F  
Rain Rain & Snow Snow Rain & Snow Snow Partly Sunny Rain & Snow Partly Sunny
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Current Conditions at
LEWISTOWN - (KLWT)
45°
Feels like 37°F
Clear
as of 1:54 AM MST
Rel. Humidity: 45%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.57 in.
Flight Rule: VFR
Wind Data
15 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
GREAT FALLS - (KGTF)
46°
Feels like 39°F
Clear
as of 1:53 AM MST
Rel. Humidity: 42%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.45 in.
Flight Rule: VFR
Wind Data
17 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
HELENA - (KHLN)
48°
Clear
as of 1:53 AM MST
Rel. Humidity: 34%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
8 MPH
160° South
Cloud Level(s): Clear
10% chance of rain Overnight Overnight... A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 40. Breezy, with a south southwest wind 24 to 29 mph, with gusts as high as 44 mph.

60% chance of rain & snow Wednesday Wednesday... Rain likely before 11am, then a slight chance of snow after 4pm. Patchy blowing dust after 8am. Mostly cloudy through mid morning, then becoming sunny, with a temperature falling to around 32 by 5pm. Very windy, with a west wind 34 to 39 mph increasing to 43 to 48 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Dust on Wednesday Night Wednesday Night... Patchy blowing dust before 11pm. Partly cloudy, with a low around 22. Windy, with a west northwest wind 36 to 41 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 60 mph.

20% chance of snow Thursday Thursday... A 20 percent chance of snow after 11am. Increasing clouds, with a high near 46. South southwest wind 10 to 20 mph, with gusts as high as 28 mph.

30% chance of rain & snow Thursday Night Thursday Night... A slight chance of snow before 8pm, then a slight chance of rain and snow between 8pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 14 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

50% chance of rain & snow Friday Friday... A chance of rain and snow before 8am, then a chance of snow. Partly sunny, with a high near 49. Breezy, with a west northwest wind around 24 mph, with gusts as high as 38 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

40% chance of snow Friday Night Friday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 21. West northwest wind 11 to 15 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

10% chance of snow Saturday Saturday... A slight chance of snow before 11am. Mostly sunny, with a high near 39. West wind 13 to 17 mph, with gusts as high as 28 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 22.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 42.

20% chance of rain & snow Sunday Night Sunday Night... A chance of rain and snow. Mostly cloudy, with a low around 27.

20% chance of rain & snow Monday Monday... A chance of rain and snow. Partly sunny, with a high near 46.

10% chance of rain & snow Monday Night Monday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 27.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 48.

Current Radar Image


Sun Almanac for Windham, Montana
Sunrise: 08:02 AM
Sunset: 4:32 PM
Civil Sunrise:07:26 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:47 AM
Nautical Sunset: 5:47 PM
Astro Sunrise: 06:10 AM
Astro Sunset: 6:24 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.