Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

28°F

-2°C

Humidity 68%
Wind Speed SE 5 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 02 Mar 08:05 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Today

    Today: Partly sunny, with a high near 56. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Southwest wind around 6 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Southwest wind around 10 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 11am.  Mostly cloudy, with a high near 57. West southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 57 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely.  Cloudy, with a low around 31. West wind 6 to 9 mph.  Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain and snow before 5pm, then a slight chance of rain.  Mostly cloudy, with a high near 46. Northwest wind 10 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain before 8pm, then a slight chance of snow between 8pm and 11pm.  Mostly cloudy, with a low around 26. West southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 56. Light and variable wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 30. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 61. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Southwest wind around 10 mph.
Wednesday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 57. West southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Rain likely. Cloudy, with a low around 31. West wind 6 to 9 mph. Chance of precipitation is 60%.
Thursday
A chance of rain and snow before 5pm, then a slight chance of rain. Mostly cloudy, with a high near 46. Northwest wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of rain before 8pm, then a slight chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 26. West southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 29.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 51. Breezy.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 35. Breezy.
Sunday
A chance of rain and snow. Partly sunny, with a high near 50. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
8:12 am MST Mar 2, 2026
8am MST Mar 2, 2026-6pm MDT Mar 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database