Severe Thunderstorms and Flash Flooding Possible Through the Holiday Weekend

Severe thunderstorms, heavy rainfall, and additional flash flooding will remain possible across much of the central U.S. and into parts of the Ohio Valley and Mid Atlantic through Monday. Elsewhere, cool and unsettled weather will persist over the West, while record high temperatures are expected in the Southeast. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

51°F

11°C

Humidity 89%
Wind Speed WSW 6 MPH
Barometer 29.90 in (1012.7 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 26 May 12:53 am MDT
Extended Forecast for

Helena MTSimilar City Names

Flood Watch May 26, 06:00am until May 27, 06:00pm
Click here for hazard details and duration
Flood Watch
  • Overnight

    Overnight: A 50 percent chance of rain.  Cloudy, with a low around 45. North wind around 5 mph.

    Chance Rain

    Low: 45 °F

  • Sunday

    Sunday: Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm, mainly after 4pm.  High near 58. Light north wind becoming northeast 5 to 9 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Rain Likely
    then Showers

    High: 58 °F

  • Sunday
    Night

    Sunday Night: Showers and possibly a thunderstorm, mainly before 1am, then rain after 1am.  Low around 46. North wind 6 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers

    Low: 46 °F

  • Memorial
    Day

    Memorial Day: Rain.  High near 55. North northeast wind 6 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    Rain

    High: 55 °F

  • Monday
    Night

    Monday Night: Rain likely, mainly before 7pm.  Mostly cloudy, with a low around 42. North wind 5 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%.

    Rain Likely
    then Chance
    Rain

    Low: 42 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65.

    Mostly Sunny

    High: 65 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 42.

    Mostly Clear

    Low: 42 °F

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 70.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 70 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 48.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 48 °F

Detailed Forecast

Overnight
A 50 percent chance of rain. Cloudy, with a low around 45. North wind around 5 mph.
Sunday
Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 58. Light north wind becoming northeast 5 to 9 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm, mainly before 1am, then rain after 1am. Low around 46. North wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Memorial Day
Rain. High near 55. North northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday Night
Rain likely, mainly before 7pm. Mostly cloudy, with a low around 42. North wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 70.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 48.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 67.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Click Map For Forecast
Point Forecast:
Helena MTSimilar City Names
 46.58°N 112.04°W (Elev. 4413 ft)
2:10 pm MDT May 25, 2019
1am MDT May 26, 2019-6pm MDT Jun 1, 2019
 
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