Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

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

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

NA

64°F

18°C

Humidity 92%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint 62°F (17°C)
Visibility NA
Last update 15 Jun 08:15 AM MDT
Extended Forecast for

3 Miles WNW Westby MT

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 81. Northwest wind 6 to 9 mph becoming east southeast in the afternoon.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then a chance of showers and thunderstorms after 2am.  Increasing clouds, with a low around 57. East wind 7 to 10 mph becoming north northwest after midnight.  Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 77. North northwest wind 13 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. North wind 7 to 16 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after noon.  Mostly sunny, with a high near 77. North wind 6 to 8 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 54. Northwest wind 7 to 9 mph becoming south southwest after midnight.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 78. West southwest wind 8 to 13 mph.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 54. Southwest wind 8 to 11 mph becoming east in the evening. Winds could gust as high as 18 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: A 20 percent chance of showers.  Mostly sunny, with a high near 82. Southwest wind 9 to 16 mph, with gusts as high as 23 mph.

    High: 82 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 81. Northwest wind 6 to 9 mph becoming east southeast in the afternoon.
Tonight
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then a chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 57. East wind 7 to 10 mph becoming north northwest after midnight. Chance of precipitation is 70%.
Monday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 77. North northwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 52. North wind 7 to 16 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 77. North wind 6 to 8 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Northwest wind 7 to 9 mph becoming south southwest after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. West southwest wind 8 to 13 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54. Southwest wind 8 to 11 mph becoming east in the evening. Winds could gust as high as 18 mph.
Juneteenth
A 20 percent chance of showers. Mostly sunny, with a high near 82. Southwest wind 9 to 16 mph, with gusts as high as 23 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 56. West southwest wind 10 to 14 mph becoming east northeast in the evening. Winds could gust as high as 21 mph.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. East northeast wind 10 to 14 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Saturday
A chance of showers. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Westby MT
 48.89°N 104.12°W (Elev. 2165 ft)
2:45 am MDT Jun 15, 2025
8am MDT Jun 15, 2025-6pm MDT Jun 21, 2025
 
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Additional Resources

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Hourly Weather Forecast

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