Severe Thunderstorms Across the Upper Mississippi Valley and Central Plains; Excessive Rainfall Along the Texas Coast; Hot Conditions from the Ohio Valley to the Northeast

Scattered strong to severe thunderstorms capable of producing damaging winds, hail and heavy rainfall will be possible this afternoon over the Upper Mississippi Valley and Central Plains. A low pressure system in the Western Gulf of Mexico will bring heavy to excessive rainfall for much of South Texas. A dangerous heat wave will impact much of the Midwest to the Northeast through this week. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

57°F

14°C

Humidity 47%
Wind Speed SE 10 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Jun 02:55 PM MDT
Extended Forecast for

Helena MT

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 61. South southwest wind around 6 mph.  Chance of precipitation is 70%.

    High: 61 °F

    Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 40. Southwest wind around 6 mph becoming calm  after midnight.

    Low: 40 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms between 3pm and 4pm.  Mostly sunny, with a high near 72. Calm wind becoming north northwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 72 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. North wind around 5 mph becoming calm  in the evening.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 54. Northeast wind 5 to 9 mph becoming calm  after midnight.

    Low: 54 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 77. Calm wind becoming north 5 to 8 mph in the afternoon.  Chance of precipitation is 70%.

    High: 77 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 51. North northwest wind 5 to 10 mph becoming southwest after midnight.

    Low: 51 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 61. South southwest wind around 6 mph. Chance of precipitation is 70%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 40. Southwest wind around 6 mph becoming calm after midnight.
Juneteenth
A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 72. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 45. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 80. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Northeast wind 5 to 9 mph becoming calm after midnight.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. Calm wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51. North northwest wind 5 to 10 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 83.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.99°W (Elev. 3878 ft)
2:32 pm MDT Jun 18, 2024
3pm MDT Jun 18, 2024-6pm MDT Jun 25, 2024
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database