National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

Lat: 46.88472°NLon: 110.28944°WElev: 5045.0ft.

NA

39°F

4°C

Humidity 62%
Wind Speed NA 0 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 30 Mar 02:00 AM MDT
Extended Forecast for

6 Miles WSW Windham MT

  • Overnight

    Overnight: A 40 percent chance of rain. Mostly cloudy, with a steady temperature around 39. North wind around 6 mph becoming west southwest.

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: Rain likely before 8am, then rain and snow likely between 8am and 11am, then snow likely after 11am. Mostly cloudy, with a high near 41. Breezy, with a south southwest wind 6 to 11 mph becoming west northwest 18 to 28 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Breezy.
    Rain/Snow
    Likely then
    Snow Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Blustery, with a northwest wind 17 to 22 mph becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 13 °F

    Slight Chance
    Snow and
    Blustery then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. South southeast wind 10 to 18 mph, with gusts as high as 32 mph.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 54. South southwest wind 5 to 8 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. South southeast wind around 11 mph. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely

  • Thursday

    Thursday: Rain. Mostly cloudy, with a high near 48. Breezy, with a south wind 9 to 14 mph becoming west northwest 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 48 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Snow. Mostly cloudy, with a low around 22. Blustery.

    Low: 22 °F

    Snow and
    Blustery

Detailed Forecast

Overnight
A 40 percent chance of rain. Mostly cloudy, with a steady temperature around 39. North wind around 6 mph becoming west southwest.
Monday
Rain likely before 8am, then rain and snow likely between 8am and 11am, then snow likely after 11am. Mostly cloudy, with a high near 41. Breezy, with a south southwest wind 6 to 11 mph becoming west northwest 18 to 28 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A 20 percent chance of snow before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Blustery, with a northwest wind 17 to 22 mph becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Tuesday
Mostly sunny, with a high near 41. Southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.
Tuesday Night
Mostly cloudy, with a low around 24. South southeast wind 10 to 18 mph, with gusts as high as 32 mph.
Wednesday
A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 54. South southwest wind 5 to 8 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. South southeast wind around 11 mph. Chance of precipitation is 60%.
Thursday
Rain. Mostly cloudy, with a high near 48. Breezy, with a south wind 9 to 14 mph becoming west northwest 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.
Thursday Night
Snow. Mostly cloudy, with a low around 22. Blustery.
Friday
Snow likely. Mostly cloudy, with a high near 35. Windy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21. Blustery.
Saturday
A slight chance of snow. Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Windham MT
 47.07°N 110.27°W (Elev. 4918 ft)
Last Update:
9:22 pm MDT Mar 29, 2026
Forecast Valid:
2am MDT Mar 30, 2026-6pm MDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation