Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

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

NA

64°F

18°C

Humidity 50%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 12 Jul 05:15 AM MDT
Extended Forecast for

9 Miles ENE Lewistown MT

  • Today

    Today: Sunny and hot, with a high near 97. East southeast wind 6 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 66. North northwest wind 6 to 13 mph, with gusts as high as 26 mph.

    Low: 66 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 84. Northeast wind 6 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 26 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. East southeast wind 10 to 14 mph, with gusts as high as 28 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. South southeast wind 7 to 11 mph becoming east northeast in the afternoon. Winds could gust as high as 23 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 63. Northeast wind 7 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 78. Northeast wind around 7 mph.  Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 61. Northeast wind 5 to 7 mph becoming south southeast after midnight.

    Low: 61 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 97. East southeast wind 6 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 66. North northwest wind 6 to 13 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 84. Northeast wind 6 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Partly cloudy, with a low around 66. East southeast wind 10 to 14 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 81. South southeast wind 7 to 11 mph becoming east northeast in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Northeast wind 7 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 78. Northeast wind around 7 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 61. Northeast wind 5 to 7 mph becoming south southeast after midnight.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Thursday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Lewistown MT
 47.12°N 109.25°W (Elev. 5479 ft)
4:56 am MDT Jul 12, 2026
6am MDT Jul 12, 2026-6pm MDT Jul 18, 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