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

Hazardous Weather Conditions

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

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

NA

21°F

-6°C

Humidity 84%
Wind Speed NA 3 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 13 Mar 06:00 PM MDT
Extended Forecast for

6 Miles WSW Windham MT

Winter Storm Warning March 13, 06:28pm until March 14, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 06:28pm until March 14, 06:00pm

    NOW until 6:00pm Sat

    Winter Storm Warning

  • Tonight

    Low: 22 °F

    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 36. Breezy, with a northwest wind 5 to 15 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 36 °F

    Heavy Snow
    and Breezy

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 3. Wind chill values as low as -5. Blustery, with a west northwest wind 20 to 25 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 3 °F

    Snow and
    Blustery then
    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 28. Wind chill values as low as -5. West southwest wind 5 to 10 mph, with gusts as high as 18 mph. Little or no snow accumulation expected.

    High: 28 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 14. Northwest wind 6 to 11 mph becoming south southwest in the evening. Winds could gust as high as 18 mph. Little or no snow accumulation expected.

    Low: 14 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: A chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 48. Breezy, with a west wind 14 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Chance Snow
    then Chance
    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. Windy, with a west southwest wind 29 to 34 mph increasing to 35 to 40 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely
    and Windy

  • Tuesday

    Tuesday: A slight chance of rain before noon. Mostly cloudy, with a high near 56. Very windy, with a west wind 41 to 46 mph, with gusts as high as 60 mph.

    High: 56 °F

    Slight Chance
    Rain and Very
    Windy

Detailed Forecast

Tonight
Snow. Low around 22. East wind 5 to 7 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 36. Breezy, with a northwest wind 5 to 15 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 3. Wind chill values as low as -5. Blustery, with a west northwest wind 20 to 25 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 28. Wind chill values as low as -5. West southwest wind 5 to 10 mph, with gusts as high as 18 mph. Little or no snow accumulation expected.
Sunday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 14. Northwest wind 6 to 11 mph becoming south southwest in the evening. Winds could gust as high as 18 mph. Little or no snow accumulation expected.
Monday
A chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 48. Breezy, with a west wind 14 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. Windy, with a west southwest wind 29 to 34 mph increasing to 35 to 40 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 60%.
Tuesday
A slight chance of rain before noon. Mostly cloudy, with a high near 56. Very windy, with a west wind 41 to 46 mph, with gusts as high as 60 mph.
Tuesday Night
Mostly cloudy, with a low around 45. Windy.
Wednesday
Partly sunny, with a high near 63. Windy.
Wednesday Night
Mostly cloudy, with a low around 45. Breezy.
Thursday
Partly sunny, with a high near 67. Breezy.
Thursday Night
Mostly cloudy, with a low around 47. Breezy.
Friday
Partly sunny, with a high near 70. Breezy.
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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:
5:02 pm MDT Mar 13, 2026
Forecast Valid:
6pm MDT Mar 13, 2026-6pm MDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation