Gusty Winds in the Mid-Atlantic and Northeast; Atmospheric River to Impact the Northwest

Gusty winds are expected from portions of the Mid-Atlantic into the Northeast through the night following the system that brought rain to the area. An atmospheric river will move into the Northwest late today into Saturday bringing moderate to heavy rainfall, mountain snow, windy conditions, and high surf to the area over the weekend. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

54°F

12°C

Humidity 34%
Wind Speed SW 11 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 01 Nov 05:35 AM MDT
Extended Forecast for

Lewistown Municipal MT

High Wind Warning November 1, 12:00pm until November 2, 05:00pm
Click here for hazard details and duration
High Wind Warning
  • Today

    Today: Sunny, with a high near 68. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 68 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 41. Breezy, with a southwest wind 20 to 24 mph becoming west northwest after midnight. Winds could gust as high as 34 mph.

    Low: 41 °F

    Increasing
    Clouds and
    Breezy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a steady temperature around 47. Windy, with a west northwest wind 24 to 33 mph, with gusts as high as 50 mph.

    High: 47 °F

    Decreasing
    Clouds and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. Southwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Mostly cloudy, with a high near 49. South southeast wind around 6 mph.

    High: 49 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly after midnight.  Cloudy, with a low around 32. South southeast wind around 7 mph.

    Low: 32 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain and snow before noon, then a slight chance of rain.  Partly sunny, with a high near 52. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 52 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. West wind around 8 mph becoming south after midnight.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 68. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Increasing clouds, with a low around 41. Breezy, with a southwest wind 20 to 24 mph becoming west northwest after midnight. Winds could gust as high as 34 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a steady temperature around 47. Windy, with a west northwest wind 24 to 33 mph, with gusts as high as 50 mph.
Sunday Night
Mostly clear, with a low around 25. Southwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.
Monday
Mostly cloudy, with a high near 49. South southeast wind around 6 mph.
Monday Night
A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 32. South southeast wind around 7 mph.
Tuesday
A chance of rain and snow before noon, then a slight chance of rain. Partly sunny, with a high near 52. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
Partly cloudy, with a low around 30. West wind around 8 mph becoming south after midnight.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 35.
Friday
A slight chance of rain. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
5:46 am MDT Nov 1, 2025
5am MDT Nov 1, 2025-6pm MST Nov 7, 2025
 
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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