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

Areas of Excessive Rainfall and Severe Thunderstorms Friday

Heavy thunderstorms may bring areas of excessive rainfall and locally considerable flooding over parts of the Ozarks into the lower-Mississippi River Valley Friday and Saturday. Scattered severe thunderstorms may occur Friday from Montana into the central Plains, with hail and corridors of damaging winds possible. Read More >

Current conditions at

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

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

unknown precip

54°F

12°C

Humidity 77%
Wind Speed SE 8 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 13 Jun 02:30 AM MDT
Extended Forecast for

Westby MT

  • Overnight

    Overnight: A 20 percent chance of showers. Cloudy, with a low around 50. East southeast wind around 17 mph, with gusts as high as 26 mph.

    Low: 50 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 70. Breezy, with an east southeast wind 17 to 26 mph, with gusts as high as 37 mph.

    High: 70 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: A chance of showers before 11pm, then a chance of showers after midnight. Increasing clouds, with a low around 51. Breezy, with a southeast wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: A 50 percent chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 75. South southeast wind 10 to 13 mph.

    High: 75 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 55. South southeast wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 80. South southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 55. North wind 7 to 9 mph.

    Low: 55 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. North wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. North northeast wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a low around 50. East southeast wind around 17 mph, with gusts as high as 26 mph.
Friday
Mostly cloudy, with a high near 70. Breezy, with an east southeast wind 17 to 26 mph, with gusts as high as 37 mph.
Friday Night
A chance of showers before 11pm, then a chance of showers after midnight. Increasing clouds, with a low around 51. Breezy, with a southeast wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 75. South southeast wind 10 to 13 mph.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 55. South southeast wind 6 to 10 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 80. South southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 55. North wind 7 to 9 mph.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. North wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. North northeast wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 71. Northeast wind 8 to 11 mph becoming west in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. North northwest wind 7 to 10 mph becoming west in the evening.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Juneteenth
A slight chance of showers. Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westby MT
 48.87°N 104.05°W (Elev. 1991 ft)
Last Update:
1:41 am MDT Jun 13, 2025
Forecast Valid:
2am MDT Jun 13, 2025-6pm MDT Jun 19, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation