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

Severe Thunderstorms in the Southeast U.S. Saturday; Flash Flooding Threat for the Northern Gulf Coast

Isolated to scattered severe thunderstorms appear possible across portions of the Southeast and Carolinas on Saturday where a Slight Risk (Level 2 of 5) has been issued. A Slight Risk Excessive Rainfall Outlook (Level 2 of 4) has been issued for part of the northern Gulf Coast Saturday due to the threat of flash, urban, and riverine flooding. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

44°F

7°C

Humidity 46%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 18 May 07:53 AM MDT
Extended Forecast for

Helena MTSimilar City Names

  • Today

    Today: Mostly sunny, with a high near 64. West wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain showers after 1am, mixing with snow after 5am. Increasing clouds, with a low around 40. West wind 9 to 14 mph becoming light. Winds could gust as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 40 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow showers likely before 9am, then rain showers. Some thunder is also possible. High near 56. West northwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 56 °F

    Rain/Snow
    Likely then
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight. Partly cloudy, with a low around 38. West wind 5 to 10 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60. Light and variable wind becoming north northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

    High: 60 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 37. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 64. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain. Mostly cloudy, with a low around 43. Northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 43 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61.

    High: 61 °F

    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 64. West wind 9 to 14 mph, with gusts as high as 28 mph.
Tonight
A chance of rain showers after 1am, mixing with snow after 5am. Increasing clouds, with a low around 40. West wind 9 to 14 mph becoming light. Winds could gust as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Rain and snow showers likely before 9am, then rain showers. Some thunder is also possible. High near 56. West northwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 38. West wind 5 to 10 mph, with gusts as high as 22 mph.
Monday
A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60. Light and variable wind becoming north northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 37. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Tuesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 64. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 43. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
A chance of rain, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 41.
Thursday
Rain likely. Mostly cloudy, with a high near 55.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
A chance of rain and thunderstorms. Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MTSimilar City Names
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
4:23 am MDT May 18, 2024
Forecast Valid:
8am MDT May 18, 2024-6pm MDT May 24, 2024
 
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