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

Excessive Rainfall Could Bring Flooding to the High Plains; Tropical Depression Arlene to Dissipate by Sunday

Excessive rainfall may bring flooding to portions of southern Florida, the northern Rockies, and northern High Plains today, and to the southern High Plains today into Monday. Tropical Depression Arlene, in the southeast Gulf of Mexico, is forecast to degenerate into a remnant low by late tonight, and dissipate on Sunday. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

59°F

15°C

Humidity 82%
Wind Speed WNW 5 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 03 Jun 03:20 PM MDT
Extended Forecast for

Helena MT

  • This
    Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 60. West wind around 9 mph. Chance of precipitation is 60%.

    Showers
    Likely

    High: 60 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 55. West wind 5 to 8 mph becoming calm after midnight.

    Chance
    Showers then
    Mostly Cloudy

    Low: 55 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 78. Calm wind becoming east northeast 5 to 8 mph in the afternoon.

    Mostly Sunny
    then Chance
    T-storms

    High: 78 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. East wind 5 to 8 mph becoming calm after midnight.

    Chance
    T-storms then
    Partly Cloudy

    Low: 56 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming west 5 to 9 mph in the afternoon.

    Sunny then
    Chance
    T-storms

    High: 80 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. West wind 5 to 10 mph.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 57 °F

  • Tuesday

    Tuesday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Light and variable wind becoming north 11 to 16 mph in the morning. Chance of precipitation is 60%.

    Slight Chance
    Showers then
    Showers
    Likely

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. North northeast wind 5 to 14 mph becoming west northwest after midnight.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 58 °F

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 82.

    Partly Sunny
    then Showers
    Likely

    High: 82 °F

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 60. West wind around 9 mph. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 55. West wind 5 to 8 mph becoming calm after midnight.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 78. Calm wind becoming east northeast 5 to 8 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. East wind 5 to 8 mph becoming calm after midnight.
Monday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming west 5 to 9 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. West wind 5 to 10 mph.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Light and variable wind becoming north 11 to 16 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. North northeast wind 5 to 14 mph becoming west northwest after midnight.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 82.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Thursday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 79.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60.
Friday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 79.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Helena MT
 46.61°N 111.99°W (Elev. 3878 ft)
Last Update:
2:10 pm MDT Jun 3, 2023
Forecast Valid:
3pm MDT Jun 3, 2023-6pm MDT Jun 10, 2023
 
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Additional Resources

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Chance of Precipitation