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

59°F

15°C

Humidity 35%
Wind Speed SW 5 MPH
Barometer 29.62 in (1003.05 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 17 May 01:53 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Mostly clear, with a low around 50. Southwest wind around 9 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers, mainly after 8am. Partly sunny, with a high near 62. Windy, with a west wind 8 to 18 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 62 °F

    Chance
    Showers and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. Windy, with a west wind 25 to 30 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 50 mph.

    Low: 38 °F

    Partly Cloudy
    and Windy
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 66. South 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 showers after midnight. Mostly cloudy, with a low around 41. West northwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 23 mph.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 57. West northwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 37. West southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 61. Light southwest wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 61 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Southwest wind around 9 mph.
Friday
A 50 percent chance of showers, mainly after 8am. Partly sunny, with a high near 62. Windy, with a west wind 8 to 18 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 50 mph.
Friday Night
Mostly clear, with a low around 38. Windy, with a west wind 25 to 30 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 50 mph.
Saturday
Mostly sunny, with a high near 66. South southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. West northwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 23 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 57. West northwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 37. West southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Monday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 61. Light southwest wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A slight chance of showers after noon. Mostly sunny, with a high near 65.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 43.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 59.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 40.
Thursday
Showers likely. Mostly cloudy, with a high near 52.
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:
11:24 pm MDT May 16, 2024
Forecast Valid:
2am MDT May 17, 2024-6pm MDT May 23, 2024
 
Forecast Discussion
 
Get as KML Get as XML

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