Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

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

NA

58°F

14°C

Humidity 59%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 23 Sep 12:15 AM MDT
Extended Forecast for

6 Miles N Lewistown MT

  • Overnight

    Overnight: A slight chance of showers between 2am and 3am.  Mostly cloudy, with a low around 53. South southeast wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light and variable wind becoming northwest around 6 mph.

    High: 76 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. Calm wind becoming south southeast around 6 mph in the evening.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. South southeast wind 5 to 8 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Southeast wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. South southeast wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. South southwest wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 31 mph.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. West wind 16 to 20 mph, with gusts as high as 32 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 53. South southeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light and variable wind becoming northwest around 6 mph.
Wednesday Night
Partly cloudy, with a low around 51. Calm wind becoming south southeast around 6 mph in the evening.
Thursday
Sunny, with a high near 82. South southeast wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 54. Southeast wind 8 to 13 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 82. South southeast wind 7 to 13 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 48. South southwest wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 31 mph.
Saturday
Mostly sunny, with a high near 65. West wind 16 to 20 mph, with gusts as high as 32 mph.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 65.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Monday
A slight chance of rain. Partly sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Lewistown MT
 47.15°N 109.44°W (Elev. 4094 ft)
4:46 pm MDT Sep 22, 2026
12am MDT Sep 23, 2026-6pm MDT Sep 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database