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

Heavy Rainfall Continues in South Florida, Southern Rockies, and the Northern Plains

A stationary front will continue to bring heavy to excessive rainfall to South Florida into Saturday with localized and urban flooding possible. Heavy to excessive rainfall is forecast through Saturday over the southern Rockies into the northern Plains. Instances of flash flooding are possible, especially in higher terrain and burn scars. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

50°F

10°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 14 Sep 07:35 AM MDT
Extended Forecast for

Helena MTSimilar City Names

  • Today

    Today: Increasing clouds, with a high near 79. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 79 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West southwest wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 66. West wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 52. West wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers. Partly sunny, with a high near 72. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 72 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Northeast wind around 6 mph becoming light and variable after midnight.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Light and variable wind becoming east around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 50. East northeast wind around 6 mph becoming west southwest in the evening.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 79. Light and variable wind becoming northwest around 6 mph in the afternoon.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West southwest wind 6 to 8 mph. Chance of precipitation is 50%.
Monday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 66. West wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52. West wind 3 to 8 mph. Winds could gust as high as 18 mph.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 72. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 50. Northeast wind around 6 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 76. Light and variable wind becoming east around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 50. East northeast wind around 6 mph becoming west southwest in the evening.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 51.
Friday
A slight chance of showers. Mostly sunny, with a high near 76.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51.
Saturday
A chance of showers. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MTSimilar City Names
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
2:09 am MDT Sep 14, 2025
Forecast Valid:
7am MDT Sep 14, 2025-6pm MDT Sep 20, 2025
 
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Additional Resources

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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