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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. 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 33%
Wind Speed W 13 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 17 Oct 05:45 PM MDT
Extended Forecast for

Westby MT

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Southwest wind 13 to 18 mph becoming west northwest after midnight. Winds could gust as high as 29 mph.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58. West northwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Calm wind becoming east southeast around 6 mph after midnight.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Breezy, with a south southeast wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. South southeast wind 10 to 18 mph, with gusts as high as 29 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. South southeast wind around 7 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. North northwest wind around 8 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 59. North wind 5 to 9 mph becoming south southeast in the afternoon.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Southeast wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. Southwest wind 13 to 18 mph becoming west northwest after midnight. Winds could gust as high as 29 mph.
Sunday
Sunny, with a high near 58. West northwest wind 6 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 34. Calm wind becoming east southeast around 6 mph after midnight.
Monday
Sunny, with a high near 62. Breezy, with a south southeast wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Monday Night
Mostly clear, with a low around 40. South southeast wind 10 to 18 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 62. South southeast wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 37. North northwest wind around 8 mph.
Wednesday
Sunny, with a high near 59. North wind 5 to 9 mph becoming south southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 41. Southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 68. South wind 10 to 15 mph, with gusts as high as 23 mph.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 46. South southeast wind 6 to 8 mph.
Friday
A chance of rain. Mostly cloudy, with a high near 65.
Friday Night
Rain likely. Mostly cloudy, with a low around 43. Breezy.
Saturday
A chance of rain. Mostly cloudy, with a high near 51. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westby MT
 48.89°N 104.06°W (Elev. 1949 ft)
Last Update:
3:45 pm MDT Oct 17, 2026
Forecast Valid:
6pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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