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

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Overcast

55°F

13°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 14 Jun 06:35 AM MDT
Extended Forecast for

Helena MT

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 81. Calm wind becoming north around 6 mph in the afternoon.  Chance of precipitation is 30%.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 55. North wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 81. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 54. North wind 5 to 7 mph becoming calm  after midnight.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77. Calm wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 50%.

    High: 77 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 53. Northeast wind around 6 mph becoming southwest after midnight.  Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 76. Light west southwest wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Northwest wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 81. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 30%.
Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 55. North wind around 6 mph becoming calm in the evening.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54. North wind 5 to 7 mph becoming calm after midnight.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 53. Northeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 76. Light west southwest wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 51. Northwest wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 52.
Juneteenth
Sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 54.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.04°W (Elev. 4413 ft)
4:44 am MDT Jun 14, 2025
6am MDT Jun 14, 2025-6pm MDT Jun 20, 2025
 
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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