Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

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

NA

71°F

22°C

Humidity 31%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 12 Jul 01:00 AM MDT
Extended Forecast for

6 Miles NE Lewistown MT

  • Overnight

    Overnight: Mostly clear, with a low around 67. Light and variable wind becoming east southeast around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. East southeast wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 66. West northwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 66 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 87. Light east wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 25 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. East southeast wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 84. Southeast wind 6 to 11 mph becoming east northeast in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 63. Northeast wind 5 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 81. North northeast wind 3 to 7 mph.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Light and variable wind becoming east southeast around 5 mph.
Sunday
Sunny and hot, with a high near 99. East southeast wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 66. West northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Monday
Mostly sunny, with a high near 87. Light east wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 67. East southeast wind 8 to 14 mph, with gusts as high as 26 mph.
Tuesday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84. Southeast wind 6 to 11 mph becoming east northeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Northeast wind 5 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 81. North northeast wind 3 to 7 mph.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 63.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
A slight chance of showers. Mostly sunny, with a high near 81.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NE Lewistown MT
 47.14°N 109.34°W (Elev. 4984 ft)
12:31 am MDT Jul 12, 2026
1am MDT Jul 12, 2026-6pm MDT Jul 18, 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