Active Week Of Severe Weather Possible Over Portions Of The Plains

Severe thunderstorms will be possible over 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 could pose a risk for some flooding concerns particularly over portions of the Great Plains and Mississippi Valley.
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Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

18°C

64°F

Humidity 37%
Wind Speed W 31 G 43 km/h
Barometer 29.92 in
Dewpoint 3°C (37°F)
Visibility 16 km
Last update 26 May 12:15 pm MDT
Extended Forecast for

Lead SD

  • This
    Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 18. North wind 8 to 14 km/h becoming west.

    Chance
    T-storms

    High: 18 °C

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 5. Northwest wind 9 to 14 km/h becoming light and variable.

    Chance
    T-storms then
    Partly Cloudy

    Low: 5 °C

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 17. West wind 10 to 13 km/h becoming north in the afternoon.  Chance of precipitation is 30%.

    Chance
    Showers then
    Chance
    T-storms

    High: 17 °C

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 6. Northeast wind 5 to 10 km/h becoming calm.

    Partly Cloudy

    Low: 6 °C

  • Saturday

    Saturday: Showers and thunderstorms likely.  Partly sunny, with a high near 17. West wind 8 to 11 km/h becoming northwest in the morning.  Chance of precipitation is 60%.

    T-storms
    Likely

    High: 17 °C

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 6. Northwest wind 5 to 11 km/h becoming southwest after midnight.

    Chance
    T-storms

    Low: 6 °C

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 20.

    Chance
    T-storms

    High: 20 °C

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 8.

    Chance
    T-storms

    Low: 8 °C

  • Memorial
    Day

    Memorial Day: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 19.

    Chance
    T-storms

    High: 19 °C

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 18. North wind 8 to 14 km/h becoming west.
Tonight
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 5. Northwest wind 9 to 14 km/h becoming light and variable.
Friday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 17. West wind 10 to 13 km/h becoming north in the afternoon. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 6. Northeast wind 5 to 10 km/h becoming calm.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 17. West wind 8 to 11 km/h becoming northwest in the morning. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 6. Northwest wind 5 to 11 km/h becoming southwest after midnight.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 20.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 8.
Memorial Day
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 19.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 7.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 16.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 5.
Wednesday
Mostly sunny, with a high near 17.
Click Map For Forecast
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 1622 m)
11:42 am MDT May 26, 2016
12pm MDT May 26, 2016-6pm MDT Jun 1, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database