Isolated Thunderstorms and Heavy Rains from the Southern Plains to the Southeast

Isolated strong to severe storms capable of producing large hail and damaging wind gusts may occur across parts of the southern Plains into the Southeast. Heavy rains may cause localized flash, urban, and small stream flooding from the Southern Plains across the Lower Mississippi Valley through Wednesday. Elevated fire weather conditions continue across the Southwest and northern California. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

48°F

9°C

Humidity 49%
Wind Speed WSW 6 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 10 May 09:40 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly clear, with a low around 34. Southwest wind around 6 mph becoming calm  after midnight.

    Mostly Clear

    Low: 34 °F

  • Tuesday

    Tuesday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 64. Calm wind becoming north 5 to 9 mph in the afternoon.  Chance of precipitation is 20%.

    Sunny then
    Slight Chance
    T-storms

    High: 64 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 35. North northwest wind 5 to 8 mph becoming light and variable  after midnight.

    Partly Cloudy

    Low: 35 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Calm wind becoming north 5 to 8 mph in the afternoon.

    Mostly Sunny

    High: 68 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 43. South southeast wind 6 to 9 mph.

    Mostly Cloudy

    Low: 43 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 73. South southwest wind 6 to 10 mph becoming northwest in the afternoon.

    Mostly Sunny

    High: 73 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 45. Northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Mostly Cloudy

    Low: 45 °F

  • Friday

    Friday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 69. Calm wind becoming north 5 to 8 mph in the afternoon.

    Partly Sunny
    then Chance
    Showers

    High: 69 °F

  • Friday
    Night

    Friday Night: A slight chance of rain before midnight.  Mostly cloudy, with a low around 44.

    Slight Chance
    Rain then
    Mostly Cloudy

    Low: 44 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Southwest wind around 6 mph becoming calm after midnight.
Tuesday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 64. Calm wind becoming north 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 35. North northwest wind 5 to 8 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 68. Calm wind becoming north 5 to 8 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 43. South southeast wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 73. South southwest wind 6 to 10 mph becoming northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 45. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. Calm wind becoming north 5 to 8 mph in the afternoon.
Friday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 44.
Saturday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 70.
Saturday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 43.
Sunday
A chance of rain. Partly sunny, with a high near 67.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Monday
A slight chance of rain. Mostly sunny, with a high near 72.
Click Map For Forecast
Point Forecast:
Helena MT
 46.61°N 111.96°W (Elev. 3796 ft)
8:27 pm MDT May 10, 2021
10pm MDT May 10, 2021-6pm MDT May 17, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database