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Severe weather and flash flooding possible Wednesday across portions of the Mississippi and Tennessee Valleys

Strong to severe storms are expected to develop across portions of the Mid-Mississippi Valley on Wednesday. A Slight Risk has been highlighted to indicate the area most likely to see supercell activity. Heavy rainfall from the Mid-Mississippi Valley into the Tennessee Valley could lead to flash flooding. Some areas could see as much as 3 inches of rainfall.
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Current conditions at

Helena Regional Airport (KHLN)

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

Fair

74°F

23°C

Humidity 36%
Wind Speed W 10 MPH
Barometer 30.02 in (1013.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 30 Jun 11:53 pm MDT
Extended Forecast for

10 Miles N Winston MT

  • Overnight

    Clear

    Clear

    Low: 62 °F

  • Wednesday

    Sunny

    Sunny

    High: 93 °F

  • Wednesday
    Night

    Mostly Clear

    Mostly
    Clear

    Low: 61 °F

  • Thursday

    Sunny

    Sunny

    High: 92 °F

  • Thursday
    Night

    Mostly Clear

    Mostly
    Clear

    Low: 59 °F

  • Friday

    Hot

    Hot

    High: 97 °F

  • Friday
    Night

    Mostly Clear

    Mostly
    Clear

    Low: 60 °F

  • Independence
    Day

    Hot

    Hot

    High: 97 °F

  • Saturday
    Night

    Mostly Clear

    Mostly
    Clear

    Low: 60 °F

Detailed Forecast

Overnight
Clear, with a low around 62. West northwest wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 93. Calm wind becoming west northwest 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 61. North northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 92. Light north wind.
Thursday Night
Mostly clear, with a low around 59. East northeast wind 3 to 6 mph.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 60.
Independence Day
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 57.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 91.
  Click Map For Forecast
Point Forecast:
10 Miles N Winston MT
 46.62°N 111.65°W (Elev. 3799 ft)
9:07 pm MDT Jun 30, 2015
1am MDT Jul 1, 2015-6pm MDT Jul 7, 2015
 
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Additional Resources

Radar & Satellite Image

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National Digital Forecast Database