Active Week Of Severe Weather Over Portions Of The Plains

Severe thunderstorms will occur portions of the Plains each afternoon and evening this week. The main threats with these storms are expected to be large hail, damaging winds, and a few tornadoes. Locally heavy rainfall will pose a risk for flooding concerns, particularly over portions of the southern Plains and Mississippi Valley.
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Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

46°F

8°C

Humidity 79%
Wind Speed NW 3 mph
Barometer 29.91 in (1009.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 27 May 6:53 am MDT
Extended Forecast for

Keystone SD

  • Today

    Today: Isolated rain, then scattered showers and thunderstorms after 10am.  Partly sunny, with a high near 63. Northwest wind around 6 mph becoming east in the afternoon.  Chance of precipitation is 40%.

    Scattered
    Showers then
    Scattered
    T-storms

    High: 63 °F

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 44. Northeast wind 5 to 9 mph becoming northwest in the evening.  Chance of precipitation is 30%.

    Scattered
    T-storms then
    Partly Cloudy

    Low: 44 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly after 1pm.  Mostly cloudy, with a high near 67. Northwest wind 5 to 8 mph becoming light and variable  in the afternoon.  Chance of precipitation is 70%.

    Showers
    Likely

    High: 67 °F

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely before 1am, then a chance of showers.  Mostly cloudy, with a low around 46. Northwest wind 3 to 8 mph.  Chance of precipitation is 70%.

    Showers
    Likely then
    Chance
    T-storms

    Low: 46 °F

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 7am.  Mostly sunny, with a high near 70. Northwest wind 5 to 8 mph becoming southeast in the afternoon.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 70 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 7pm.  Partly cloudy, with a low around 48. Southeast wind 5 to 7 mph.

    Chance
    T-storms

    Low: 48 °F

  • Memorial
    Day

    Memorial Day: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 71.

    Chance
    T-storms

    High: 71 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 46.

    Chance
    T-storms

    Low: 46 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 64.

    Chance
    T-storms then
    Chance
    Showers

    High: 64 °F

Detailed Forecast

Today
Isolated rain, then scattered showers and thunderstorms after 10am. Partly sunny, with a high near 63. Northwest wind around 6 mph becoming east in the afternoon. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 44. Northeast wind 5 to 9 mph becoming northwest in the evening. Chance of precipitation is 30%.
Saturday
Showers likely and possibly a thunderstorm, mainly after 1pm. Mostly cloudy, with a high near 67. Northwest wind 5 to 8 mph becoming light and variable in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 46. Northwest wind 3 to 8 mph. Chance of precipitation is 70%.
Sunday
A slight chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 70. Northwest wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 48. Southeast wind 5 to 7 mph.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Tuesday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers. Partly cloudy, with a low around 43. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 64.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 69.
Click Map For Forecast
Point Forecast:
Keystone SD
 43.89°N 103.43°W (Elev. 4541 ft)
6:12 am MDT May 27, 2016
7am MDT May 27, 2016-6pm MDT Jun 2, 2016
 
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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