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

Sky Warn 2026

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Current conditions at

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

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

NA

41°F

5°C

Humidity 77%
Wind Speed ESE 7 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 19 May 11:15 PM MDT
Extended Forecast for

11 Miles WNW Westby MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. South southeast wind 15 to 18 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 67. South wind 11 to 15 mph, with gusts as high as 21 mph.

    High: 67 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 41. West wind 7 to 9 mph becoming north northwest in the evening.

    Low: 41 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 61. North wind 9 to 11 mph. Chance of precipitation is 40%.

    High: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 42. North northeast wind 6 to 10 mph becoming southeast after midnight.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 65. Northwest wind 7 to 10 mph.

    High: 65 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. North wind 7 to 10 mph becoming south after midnight.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. Southeast wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. South southeast wind 15 to 18 mph, with gusts as high as 26 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 67. South wind 11 to 15 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 41. West wind 7 to 9 mph becoming north northwest in the evening.
Thursday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 61. North wind 9 to 11 mph. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 42. North northeast wind 6 to 10 mph becoming southeast after midnight.
Friday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 65. Northwest wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 44. North wind 7 to 10 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 73. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 49. Southeast wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 79. South southeast wind 13 to 20 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 52. South southeast wind 11 to 17 mph, with gusts as high as 25 mph.
Memorial Day
Mostly sunny, with a high near 83. Breezy.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 55. Breezy.
Tuesday
Mostly sunny, with a high near 81. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW Westby MT
 48.92°N 104.31°W (Elev. 2201 ft)
Last Update:
5:16 pm MDT May 19, 2026
Forecast Valid:
11pm MDT May 19, 2026-6pm MDT May 26, 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