Severe Weather Potential Today from the Great Lakes to the Mid-South; Fire Weather Concerns for Southern California

Thunderstorms, some severe, are expected today along and ahead of a cold front extending from the Great Lakes into the Mid-South. Unseasonably mild weather is forecast along most of the eastern seaboard into Saturday. Meanwhile, temperatures are expected to remain below normal for parts of the West, Plains, and Rockies. Elevated fire weather conditions continue for Southern California. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167ft.

Mostly Clear

55°F

13°C

Humidity 29%
Wind Speed W 9 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 15 Oct 04:54 PM MDT
Extended Forecast for

Lewistown MT

Fire Weather Watch October 17, 12:00pm until October 17, 06:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Tonight

    Tonight: Mostly clear, with a low around 37. West southwest wind 7 to 10 mph, with gusts as high as 24 mph.

    Mostly Clear

    Low: 37 °F

  • Saturday

    Saturday: Sunny, with a high near 68. West wind 8 to 15 mph, with gusts as high as 23 mph.

    Sunny

    High: 68 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 39. South southeast wind 6 to 9 mph.

    Mostly Clear

    Low: 39 °F

  • Sunday

    Sunday: Sunny, with a high near 73. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Sunny

    High: 73 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 40. South southwest wind 6 to 10 mph.

    Partly Cloudy

    Low: 40 °F

  • Monday

    Monday: Mostly sunny, with a high near 61. Southwest wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    Mostly Sunny

    High: 61 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 31. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Slight Chance
    Rain then
    Mostly Cloudy

    Low: 31 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Northwest wind around 7 mph.

    Partly Sunny

    High: 48 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Partly Cloudy

    Low: 28 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 37. West southwest wind 7 to 10 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 68. West wind 8 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 39. South southeast wind 6 to 9 mph.
Sunday
Sunny, with a high near 73. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 40. South southwest wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 61. Southwest wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 31. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 48. Northwest wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 35.
Friday
Mostly sunny, with a high near 63.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
4:06 pm MDT Oct 15, 2021
5pm MDT Oct 15, 2021-6pm MDT Oct 22, 2021
 
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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