National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Thunderstorms in the Lower Ohio Valley and Southeast; Flooding Continues Along the East Coast of Florida

An approaching cold front may produce isolated heavy rainfall and severe weather today over portions of the Lower Ohio Valley and Southeast. While the heavy rainfall is ending across east Florida, significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

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

NA

46°F

8°C

Humidity 51%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 04 Nov 12:00 PM MST
Extended Forecast for

Lewistown MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 49. Calm wind.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 55. South wind around 5 mph becoming light and variable.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Calm wind becoming west southwest around 6 mph in the evening.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 54. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 59. West southwest wind 5 to 8 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Calm wind becoming south 5 to 9 mph in the evening.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 49. Calm wind.
Tonight
Mostly clear, with a low around 30. Calm wind becoming south southeast around 6 mph after midnight.
Thursday
Mostly sunny, with a high near 55. South wind around 5 mph becoming light and variable.
Thursday Night
Partly cloudy, with a low around 31. Calm wind becoming west southwest around 6 mph in the evening.
Friday
Sunny, with a high near 54. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 36. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 59. West southwest wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 39. Calm wind becoming south 5 to 9 mph in the evening.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
Last Update:
11:36 pm MST Nov 3, 2026
Forecast Valid:
12pm MST Nov 4, 2026-6pm MST Nov 10, 2026
 
Forecast Discussion
 
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Additional Resources

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