Severe thunderstorms and locally heavy rain possible for portions of the plains

A stationary front will keep scattered showers and thunderstorms in the forecast today and Thursday for much of the plains. Some thunderstorms may be severe today across portions of the central/northern High Plains. Atrong storms are also possible in northern New England today. Hot temperatures will continue across portions of the Desert Southwest and Inter-mountain West.
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Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

76°F

24°C

Humidity 40%
Wind Speed Calm
Barometer 30.17 in (1014.8 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Jun 4:53 pm MDT
Extended Forecast for

Keystone SD

Severe T-storm Watch until June 29, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until June 29, 08:00pm

    NOW until
    8:00pm Wed

    Severe T-storm Watch

  • This
    Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 81. East wind around 7 mph.

    Chance
    T-storms

    High: 81 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 58. Northeast wind 5 to 7 mph becoming light and variable.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 58 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 76. Northwest wind 6 to 9 mph becoming east in the afternoon.

    Chance
    T-storms

    High: 76 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. East wind 6 to 9 mph.

    Chance
    T-storms then
    Chance
    Showers

    Low: 55 °F

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 71. Southeast wind 6 to 11 mph, with gusts as high as 16 mph.  Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 71 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 56. Southeast wind 6 to 10 mph.

    Chance
    T-storms

    Low: 56 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78.

    Mostly Sunny
    then Chance
    T-storms

    High: 78 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 59.

    Slight Chance
    T-storms

    Low: 59 °F

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. East wind around 7 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 58. Northeast wind 5 to 7 mph becoming light and variable.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 76. Northwest wind 6 to 9 mph becoming east in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind 6 to 9 mph.
Friday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 71. Southeast wind 6 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southeast wind 6 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Sunday
A 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 61.
Independence Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Click Map For Forecast
Point Forecast:
Keystone SD
 43.89°N 103.43°W (Elev. 4541 ft)
5:26 pm MDT Jun 29, 2016
5pm MDT Jun 29, 2016-6pm MDT Jul 6, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database