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

Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Friday

Heavy to excessive rainfall is forecast for eastern Louisiana into central Alabama which could bring flash, urban, and riverine flooding Friday. Scattered severe thunderstorms with a few tornadoes, very large hail, and damaging winds are possible across parts of the Gulf Coast States Friday and Friday night. Read More >

Hazardous Weather Conditions

Current conditions at

Helena Regional Airport (KHLN)

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

Partly Cloudy

55°F

13°C

Humidity 26%
Wind Speed W 33 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 17 May 05:00 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Breezy, with a west wind 19 to 29 mph decreasing to 9 to 19 mph after midnight. Winds could gust as high as 50 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 65. West wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Increasing clouds, with a low around 41. West wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 28 mph.

    Low: 41 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of rain and snow showers before 9am, then rain showers. Some thunder is also possible. High near 55. West northwest wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 55 °F

    Chance
    Rain/Snow
    then Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 38. West wind 5 to 10 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 59. Light and variable wind becoming north northwest 5 to 8 mph in the morning. Chance of precipitation is 70%.

    High: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 38. North wind 5 to 9 mph becoming light and variable after midnight.

    Low: 38 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after noon. Mostly sunny, with a high near 64. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Breezy, with a west wind 19 to 29 mph decreasing to 9 to 19 mph after midnight. Winds could gust as high as 50 mph.
Saturday
Sunny, with a high near 65. West wind 9 to 14 mph, with gusts as high as 28 mph.
Saturday Night
A 20 percent chance of showers after midnight. Increasing clouds, with a low around 41. West wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 28 mph.
Sunday
A chance of rain and snow showers before 9am, then rain showers. Some thunder is also possible. High near 55. West northwest wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 38. West wind 5 to 10 mph, with gusts as high as 22 mph.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 59. Light and variable wind becoming north northwest 5 to 8 mph in the morning. Chance of precipitation is 70%.
Monday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 38. North wind 5 to 9 mph becoming light and variable after midnight.
Tuesday
A chance of showers after noon. Mostly sunny, with a high near 64. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 42.
Thursday
Showers. Mostly cloudy, with a high near 53.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 41.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 61.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
4:24 pm MDT May 17, 2024
Forecast Valid:
5pm MDT May 17, 2024-6pm MDT May 24, 2024
 
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