Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

30°F

-1°C

Humidity 63%
Wind Speed SW 9 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 02 Mar 10:20 PM MST
Extended Forecast for

5 Miles WSW Lewistown Municipal MT

  • Tonight

    Tonight: Mostly clear, with a low around 27. South southwest wind around 7 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59. South southwest wind around 9 mph.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 11pm.  Cloudy, with a low around 32. South southwest wind 6 to 8 mph becoming west northwest after midnight.  Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain and snow.  Mostly cloudy, with a high near 44. West northwest wind 10 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm, then a chance of snow.  Mostly cloudy, with a low around 26. West northwest wind 7 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Friday

    Friday: A slight chance of snow.  Partly sunny, with a high near 45. West northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 45 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 27. South southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 61. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind around 11 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 59. South southwest wind around 9 mph.
Wednesday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 32. South southwest wind 6 to 8 mph becoming west northwest after midnight. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 44. West northwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 26. West northwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A slight chance of snow. Partly sunny, with a high near 45. West northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 54. Breezy.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 54. Breezy.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 54. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Lewistown Municipal MT
 47.04°N 109.55°W (Elev. 4091 ft)
10:07 pm MST Mar 2, 2026
10pm MST Mar 2, 2026-6pm MDT Mar 9, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database