Excessive Rainfall Possible This Weekend; 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 the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Comertown Turn-Off MT-5 MP 13.4 (MTCOM)

Lat: 48.81°NLon: 104.2529°WElev: 2359.0ft.

NA

60°F

16°C

Humidity 27%
Wind Speed NNW 19 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 03 Oct 04:15 PM MDT
Extended Forecast for

Westby MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Northwest wind 6 to 11 mph becoming light west  after midnight. Winds could gust as high as 18 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 65. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. East southeast wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 77. South southeast wind around 15 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. West northwest wind 7 to 9 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. North northwest wind 7 to 16 mph, with gusts as high as 25 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. North northwest wind 6 to 9 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. Northwest wind 6 to 10 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. North wind around 7 mph.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Northwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 65. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 44. East southeast wind 9 to 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 77. South southeast wind around 15 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 46. West northwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 69. North northwest wind 7 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 40. North northwest wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 66. Northwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 40. North wind around 7 mph.
Thursday
Mostly sunny, with a high near 63. North wind 6 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 41. North northeast wind around 7 mph becoming southeast after midnight.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 60. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Westby MT
 48.87°N 104.05°W (Elev. 1991 ft)
3:50 pm MDT Oct 3, 2026
4pm MDT Oct 3, 2026-6pm MDT Oct 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database