Active Spring Like Pattern Across the Country

A frontal boundary will slowly move eastward and clear most of the eastern seaboard by Sunday. Showers and thunderstorms, some severe, will accompany this front alongside the threat of heavy rainfall; These threats may linger along the Gulf Coast states into early next week. Meanwhile, record spring-like warmth is forecast, mainly east of the Mississippi River, this weekend into next week. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.

Overcast

48°F

9°C

Humidity 47%
Wind Speed WSW 21 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 07 Mar 09:54 AM MST
Extended Forecast for

Lewistown MT

High Wind Warning March 8, 03:00am until March 9, 12:00am
Click here for hazard details and duration
High Wind Warning
  • Today

    Today: Mostly sunny, with a high near 56. West wind 16 to 21 mph, with gusts as high as 34 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West wind 14 to 17 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. Windy, with a west wind 17 to 22 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 44 mph.

    High: 60 °F

    Mostly Sunny
    and Windy

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then rain and snow likely between 11pm and 2am, then snow likely after 2am.  Mostly cloudy, with a low around 27. Breezy, with a west northwest wind 19 to 24 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 40 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    Likely and
    Breezy

  • Monday

    Monday: A 50 percent chance of snow.  Mostly cloudy, with a high near 39. West northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.  New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow

  • Monday Night

    Monday Night: A 40 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 19. West northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 29 mph.  Little or no snow accumulation expected.

    Low: 19 °F

    Chance Snow

  • Tuesday

    Tuesday: A 40 percent chance of snow after 11am.  Partly sunny, with a high near 36. West northwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Little or no snow accumulation expected.

    High: 36 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 11pm.  Mostly cloudy, with a low around 18. West wind 10 to 18 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow after 11am.  Partly sunny, with a high near 42. Breezy.

    High: 42 °F

    Slight Chance
    Snow and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 56. West wind 16 to 21 mph, with gusts as high as 34 mph.
Tonight
Partly cloudy, with a low around 39. West wind 14 to 17 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 60. Windy, with a west wind 17 to 22 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 44 mph.
Sunday Night
A chance of rain before 11pm, then rain and snow likely between 11pm and 2am, then snow likely after 2am. Mostly cloudy, with a low around 27. Breezy, with a west northwest wind 19 to 24 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 39. West northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. New snow accumulation of less than a half inch possible.
Monday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 19. West northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 29 mph. Little or no snow accumulation expected.
Tuesday
A 40 percent chance of snow after 11am. Partly sunny, with a high near 36. West northwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Little or no snow accumulation expected.
Tuesday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 18. West wind 10 to 18 mph, with gusts as high as 30 mph.
Wednesday
A slight chance of snow after 11am. Partly sunny, with a high near 42. Breezy.
Wednesday Night
A chance of snow. Cloudy, with a low around 31.
Thursday
A chance of rain and snow. Cloudy, with a high near 53. Windy.
Thursday Night
Snow likely. Cloudy, with a low around 23. Breezy.
Friday
A chance of snow. Cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
2:42 am MST Mar 7, 2026
10am MST Mar 7, 2026-6pm MDT Mar 13, 2026
 
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Additional Resources

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