Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

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

NA

47°F

8°C

Humidity 47%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 17 Oct 10:45 AM MDT
Extended Forecast for

7 Miles WNW Grass Range MT

  • Today

    Today: Mostly sunny, with a high near 62. Breezy, with a west northwest wind 20 to 24 mph, with gusts as high as 31 mph.

    High: 62 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Rain showers likely before midnight, then a slight chance of snow showers between midnight and 2am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 31. West wind 15 to 18 mph, with gusts as high as 32 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Showers
    Likely then
    Slight Chance
    Snow Showers

  • Saturday

    Saturday: Sunny, with a high near 54. West wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Southwest wind 6 to 11 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 62. Southwest wind 13 to 20 mph, with gusts as high as 26 mph.

    High: 62 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before midnight.  Partly cloudy, with a low around 37. Breezy, with a west wind 20 to 22 mph, with gusts as high as 33 mph.

    Low: 37 °F

    Slight Chance
    Rain and
    Breezy then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50. Breezy, with a west northwest wind 20 to 24 mph, with gusts as high as 32 mph.

    High: 50 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. Breezy, with a west northwest wind 20 to 24 mph, with gusts as high as 31 mph.
Tonight
Rain showers likely before midnight, then a slight chance of snow showers between midnight and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. West wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
Sunny, with a high near 54. West wind 7 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 35. Southwest wind 6 to 11 mph.
Sunday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 62. Southwest wind 13 to 20 mph, with gusts as high as 26 mph.
Sunday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 37. Breezy, with a west wind 20 to 22 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 50. Breezy, with a west northwest wind 20 to 24 mph, with gusts as high as 32 mph.
Monday Night
Mostly clear, with a low around 30. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WNW Grass Range MT
 47.06°N 108.96°W (Elev. 3698 ft)
9:49 am MDT Oct 17, 2025
11am MDT Oct 17, 2025-6pm MDT Oct 23, 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