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Heavy rain could bring flash flooding to parts of southern Plains

Showers and thunderstorms associated with a slow-moving frontal system will bring heavy rainfall to parts of the southern Plains and mid-Mississippi Valley, which could result in flash flooding. The heaviest rainfall is expected across parts of northern Texas and southern Oklahoma. Some locations could see rainfall rates of up to 2 inches per hour.
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Current conditions at

Helena Regional Airport (KHLN)

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

Mostly Cloudy

66°F

19°C

Humidity 52%
Wind Speed N 15 MPH
Barometer 30.13 in (1019.2 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 07 Jul 10:53 am MDT
Extended Forecast for

Helena MT

    • Today

      Today: A 30 percent chance of showers and thunderstorms after noon.  Areas of smoke before noon. Partly sunny, with a high near 77. North wind 5 to 11 mph.

      Chance
      T-storms

      High: 77 °F

    • Tonight

      Tonight: Scattered showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 54. North wind 6 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

      Scattered
      T-storms then
      Slight Chance
      T-storms

      Low: 54 °F

    • Wednesday

      Wednesday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 78. Northwest wind 5 to 9 mph becoming east northeast in the afternoon.

      Slight Chance
      T-storms

      High: 78 °F

    • Wednesday
      Night

      Wednesday Night: Mostly clear, with a low around 55. East wind 5 to 8 mph.

      Mostly Clear

      Low: 55 °F

    • Thursday

      Thursday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 85. East southeast wind around 6 mph.

      Sunny then
      Chance
      T-storms

      High: 85 °F

    • Thursday
      Night

      Thursday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 59. Chance of precipitation is 20%.

      Slight Chance
      T-storms then
      Slight Chance
      Showers

      Low: 59 °F

    • Friday

      Friday: A 40 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 86.

      Chance
      T-storms

      High: 86 °F

    • Friday
      Night

      Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 59.

      Chance
      T-storms then
      Chance
      Showers

      Low: 59 °F

    • Saturday

      Saturday: A chance of showers and thunderstorms.  Partly sunny, with a high near 78.

      Chance
      Showers then
      Chance
      T-storms

      High: 78 °F

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after noon. Areas of smoke before noon. Partly sunny, with a high near 77. North wind 5 to 11 mph.
Tonight
Scattered showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 54. North wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Northwest wind 5 to 9 mph becoming east northeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 55. East wind 5 to 8 mph.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. East southeast wind around 6 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 86.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
Saturday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 58.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
  Click Map For Forecast
Point Forecast:
Helena MT
 46.58°N 112.04°W (Elev. 4413 ft)
10:58 am MDT Jul 7, 2015
11am MDT Jul 7, 2015-6pm MDT Jul 13, 2015
 
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Additional Resources

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Hourly Weather Graph

National Digital Forecast Database