Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

Lat: 47.07579°NLon: 109.26247°WElev: 4723.0ft.

NA

32°F

0°C

Humidity 66%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 16 Oct 02:45 AM MDT
Extended Forecast for

Lewistown MT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 29. Southeast wind around 8 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70. Southeast wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. South southwest wind 8 to 13 mph becoming southeast in the evening. Winds could gust as high as 18 mph.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. South southeast wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Southwest wind 9 to 14 mph becoming light west  after midnight.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Calm wind becoming southeast around 6 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. Light south southeast wind.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 29. Southeast wind around 8 mph.
Friday
Sunny, with a high near 70. Southeast wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 44. South southwest wind 8 to 13 mph becoming southeast in the evening. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 75. South southeast wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 39. Southwest wind 9 to 14 mph becoming light west after midnight.
Sunday
Sunny, with a high near 60. Light and variable wind.
Sunday Night
Mostly clear, with a low around 37. Calm wind becoming southeast around 6 mph.
Monday
Sunny, with a high near 68. Light south southeast wind.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
12:31 am MDT Oct 16, 2026
3am MDT Oct 16, 2026-6pm MDT Oct 22, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database