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

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley 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

74°F

23°C

Humidity 29%
Wind Speed E 8 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 04 Oct 03:45 PM MDT
Extended Forecast for

Lewistown Municipal MT

  • Tonight

    Tonight: Mostly clear, with a low around 54. East wind 5 to 11 mph becoming southwest after midnight.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Southwest wind 8 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Southwest wind around 6 mph becoming light and variable.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. Calm wind becoming south around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. East wind 5 to 11 mph becoming southwest after midnight.
Monday
Sunny, with a high near 83. Southwest wind 8 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Mostly clear, with a low around 50. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 76. Southwest wind around 6 mph becoming light and variable.
Tuesday Night
Partly cloudy, with a low around 46. Calm wind becoming south around 5 mph.
Wednesday
Sunny, with a high near 74. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 44. Light and variable wind.
Thursday
Mostly sunny, with a high near 72. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 46.
Saturday
A chance of rain. Partly sunny, with a high near 64.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 33.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
Last Update:
3:51 pm MDT Oct 4, 2026
Forecast Valid:
4pm MDT Oct 4, 2026-6pm MDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation