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

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

A Moderate Risk (Level 3 of 4) Excessive Rainfall Outlook and Flood Watches have been issued for portions of east Texas into Louisiana Thursday where flash, urban, and riverine flooding is possible. A Slight Risk (Level 2 of 5) for scattered severe thunderstorms has been issued from west Texas to the lower Mississippi Valley Thursday afternoon into Thursday night. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

57°F

14°C

Humidity 41%
Wind Speed W 6 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 16 May 03:53 AM MDT
Extended Forecast for

Helena MT

  • Today

    Today: Mostly cloudy, with a high near 78. Breezy, with a south southwest wind 7 to 12 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 78 °F

    Cloudy then
    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: A 20 percent chance of rain after 5am. Mostly clear, with a low around 51. Breezy, with a southwest wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 40 mph.

    Low: 51 °F

    Mostly Clear
    and Breezy
    then Slight
    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain. Partly sunny, with a high near 65. Windy, with a west wind 9 to 19 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 65 °F

    Chance Rain
    and Windy

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 39. Windy, with a west wind 25 to 30 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 49 mph.

    Low: 39 °F

    Slight Chance
    Rain and
    Windy then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 41. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 23 mph.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 58. West wind 5 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    High: 58 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of rain before midnight. Partly cloudy, with a low around 36. West southwest wind 5 to 15 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 78. Breezy, with a south southwest wind 7 to 12 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 40 mph.
Tonight
A 20 percent chance of rain after 5am. Mostly clear, with a low around 51. Breezy, with a southwest wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 40 mph.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 65. Windy, with a west wind 9 to 19 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 48 mph.
Friday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 39. Windy, with a west wind 25 to 30 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 49 mph.
Saturday
Mostly sunny, with a high near 66. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Saturday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 41. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 23 mph.
Sunday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 58. West wind 5 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Sunday Night
A slight chance of rain before midnight. Partly cloudy, with a low around 36. West southwest wind 5 to 15 mph, with gusts as high as 28 mph.
Monday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 61.
Monday Night
A slight chance of rain before midnight. Partly cloudy, with a low around 39.
Tuesday
A chance of rain and thunderstorms. Mostly sunny, with a high near 65.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Wednesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 63.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.59°N 111.98°W (Elev. 3996 ft)
Last Update:
3:17 am MDT May 16, 2024
Forecast Valid:
4am MDT May 16, 2024-6pm MDT May 22, 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