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Alberto will pose a variety of Hazards for the South over the Memorial Day Weekend

Subtropical Storm Alberto is slowly moving through the northwestern Caribbean Sea. Tropical Storm-force winds and storm surge possible along the north-central Gulf Coast later this weekend. Regardless of the track, heavy rainfall and flooding is possible in the Southeast over the weekend and into next week. Swells from Alberto will create dangerous surf and rip currents along the Gulf Coast. Read More >

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874ft.

Partly Cloudy

72°F

22°C

Humidity 43%
Wind Speed SW 9 MPH
Barometer 29.85 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 26 May 3:05 pm MDT
Extended Forecast for

Helena MT

Flash Flood Watch until May 27, 05:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until May 27, 05:00am

    NOW until
    5:00am Sun

    Flash Flood Watch

  • This
    Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 78. Northwest wind around 13 mph.

    Chance
    T-storms

    High: 78 °F

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a chance of showers.  Mostly cloudy, with a low around 50. North northwest wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    Chance
    Showers

    Low: 50 °F

  • Sunday

    Sunday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Partly sunny, with a high near 73. West wind 7 to 11 mph becoming north in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 73 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely before 10pm, then a chance of showers.  Mostly cloudy, with a low around 50. North wind 5 to 9 mph becoming calm  after midnight.  Chance of precipitation is 60%.

    Showers
    Likely

    Low: 50 °F

  • Memorial
    Day

    Memorial Day: A chance of showers, with thunderstorms also possible after 4pm.  Partly sunny, with a high near 74. Calm wind becoming east 5 to 7 mph in the afternoon.  Chance of precipitation is 40%.

    Chance
    Showers

    High: 74 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 50 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    Mostly Sunny

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Partly Cloudy

    Low: 49 °F

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Northwest wind around 13 mph.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 50. North northwest wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 73. West wind 7 to 11 mph becoming north in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before 10pm, then a chance of showers. Mostly cloudy, with a low around 50. North wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 60%.
Memorial Day
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 74. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A slight chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 66.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 68.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 70.
Click Map For Forecast
Point Forecast:
Helena MT
 46.61°N 111.99°W (Elev. 3878 ft)
2:12 pm MDT May 26, 2018
4pm MDT May 26, 2018-6pm MDT Jun 2, 2018
 
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