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

59°F

15°C

Humidity 34%
Wind Speed NW 7 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 05 Oct 08:15 AM MDT
Extended Forecast for

Lewistown MT

  • Today

    Today: Sunny, with a high near 83. Southwest wind 7 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. West northwest wind 5 to 7 mph becoming south southwest in the evening.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Light and variable wind becoming northwest around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Clear

  • Thursday

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

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Calm wind becoming southeast around 6 mph in the evening.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Southwest wind 7 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 50. West northwest wind 5 to 7 mph becoming south southwest in the evening.
Tuesday
Mostly sunny, with a high near 76. Light and variable wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 45. Light and variable wind.
Wednesday
Sunny, with a high near 75. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 43. Light and variable wind.
Thursday
Mostly sunny, with a high near 72. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 44. Calm wind becoming southeast around 6 mph in the evening.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Partly sunny, with a high near 63.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 30.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 44.
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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:
4:46 am MDT Oct 5, 2026
Forecast Valid:
8am MDT Oct 5, 2026-6pm MDT Oct 11, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation