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.

Clear

46°F

8°C

Humidity 61%
Wind Speed WSW 26 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 08 Mar 12:05 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
  • Overnight

    Overnight: Increasing clouds, with a low around 42. West southwest wind around 21 mph, with gusts as high as 31 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 10 percent chance of rain after 5pm.  Patchy blowing dust after 8am. Partly sunny, with a high near 60. Windy, with a west southwest wind 21 to 26 mph increasing to 29 to 34 mph in the morning. Winds could gust as high as 50 mph.

    High: 60 °F

    Windy. Patchy
    Blowing Dust
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 10pm, then rain likely, possibly mixed with snow between 10pm and 11pm, then snow after 11pm.  Low around 28. West wind 16 to 21 mph becoming east southeast 8 to 13 mph in the evening. Winds could gust as high as 29 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely then
    Snow

  • Monday

    Monday: Snow likely, mainly before 7am.  Mostly cloudy, with a high near 41. Breezy, with a west northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Likely
    then Chance
    Snow and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 19. West wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.

    Low: 19 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow after 11am.  Partly sunny, with a high near 36. West northwest wind 6 to 16 mph, with gusts as high as 28 mph.  Little or no snow accumulation expected.

    High: 36 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around 17. West southwest wind 9 to 16 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow after 11am.  Mostly cloudy, with a high near 42. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 34 mph.

    High: 42 °F

    Slight Chance
    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of snow before 11pm.  Cloudy, with a low around 33.

    Low: 33 °F

    Chance Snow
    then Cloudy

Detailed Forecast

Overnight
Increasing clouds, with a low around 42. West southwest wind around 21 mph, with gusts as high as 31 mph.
Sunday
A 10 percent chance of rain after 5pm. Patchy blowing dust after 8am. Partly sunny, with a high near 60. Windy, with a west southwest wind 21 to 26 mph increasing to 29 to 34 mph in the morning. Winds could gust as high as 50 mph.
Sunday Night
A chance of rain before 10pm, then rain likely, possibly mixed with snow between 10pm and 11pm, then snow after 11pm. Low around 28. West wind 16 to 21 mph becoming east southeast 8 to 13 mph in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly before 7am. Mostly cloudy, with a high near 41. Breezy, with a west northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 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 11pm. Partly cloudy, with a low around 19. West wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.
Tuesday
A 40 percent chance of snow after 11am. Partly sunny, with a high near 36. West northwest wind 6 to 16 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.
Tuesday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 17. West southwest wind 9 to 16 mph, with gusts as high as 28 mph.
Wednesday
A slight chance of snow after 11am. Mostly cloudy, with a high near 42. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 34 mph.
Wednesday Night
A chance of snow before 11pm. Cloudy, with a low around 33.
Thursday
A chance of rain before 2pm, then a chance of rain and snow. Cloudy, with a high near 51. Windy.
Thursday Night
Snow, possibly mixed with rain. Cloudy, with a low around 21. Blustery.
Friday
Snow likely. Cloudy, with a high near 38.
Friday Night
Snow likely. Cloudy, with a low around 20.
Saturday
Snow likely. Cloudy, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
11:46 pm MST Mar 7, 2026
12am MST Mar 8, 2026-6pm MDT Mar 14, 2026
 
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Additional Resources

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