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

Heavy Rainfall Across the Lower Mississippi Valley and Gulf Coast; Storm System Impacting the Northwest

Periods of heavy rainfall are expected across the Lower Mississippi Valley and Gulf Coast Friday. A Slight Risk (level 2 of 4) of Excessive Rainfall has been issued for portions of the Texas and Louisiana coast. A strong Pacific storm will impact the Pacific Northwest and Great Basin Friday through the weekend, bringing high elevation snow, lower elevation rain, and strong winds. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

54°F

12°C

Humidity 27%
Wind Speed NNE 8 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 03 May 07:35 PM MDT
Extended Forecast for

4 Miles SW Helena MT

  • Tonight

    Tonight: Mostly clear, with a low around 30. Northeast wind 5 to 7 mph becoming light and variable.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 62. Southeast wind 5 to 10 mph.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 42. East southeast wind 5 to 9 mph becoming light and variable.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 62. Light and variable wind becoming east southeast 5 to 10 mph in the morning. Chance of precipitation is 70%.

    High: 62 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 39. West wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 39 °F

    Showers

  • Monday

    Monday: Rain and snow likely before 9am, then snow likely between 9am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 48. Breezy, with a west wind 22 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 48 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 37. Windy, with a west wind 22 to 32 mph, with gusts as high as 48 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow and
    Windy

  • Tuesday

    Tuesday: A chance of snow. Mostly cloudy, with a high near 45. Breezy, with a west wind 25 to 28 mph, with gusts as high as 40 mph.

    High: 45 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow likely. Mostly cloudy, with a low around 36. Breezy.

    Low: 36 °F

    Snow Likely
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Northeast wind 5 to 7 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 62. Southeast wind 5 to 10 mph.
Saturday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 42. East southeast wind 5 to 9 mph becoming light and variable.
Sunday
A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 62. Light and variable wind becoming east southeast 5 to 10 mph in the morning. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm. Low around 39. West wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Monday
Rain and snow likely before 9am, then snow likely between 9am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 48. Breezy, with a west wind 22 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
A slight chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 37. Windy, with a west wind 22 to 32 mph, with gusts as high as 48 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
A chance of snow. Mostly cloudy, with a high near 45. Breezy, with a west wind 25 to 28 mph, with gusts as high as 40 mph.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 36. Breezy.
Wednesday
Snow likely before noon, then rain. Mostly cloudy, with a high near 45.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Thursday
A chance of rain and snow. Partly sunny, with a high near 50.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 36.
Friday
A slight chance of rain. Mostly sunny, with a high near 62.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Helena MT
 46.56°N 112.1°W (Elev. 5000 ft)
Last Update:
5:00 pm MDT May 3, 2024
Forecast Valid:
7pm MDT May 3, 2024-6pm MDT May 10, 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