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Strong to severe thunderstorms with heavy rain to continue across the central and southern Plains

Periods of strong to severe thunderstorms will continue across a wide area of the central to southern Plains through Friday. Locally heavy rain can be expected over saturated ground, with areas of flooding and flash flooding. A few of the storms will also produce hail and strong gusty winds, with an isolated tornado or two possible.
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Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds

15°C

59°F

Humidity 82%
Wind Speed SW 13 km/h
Barometer 29.99 in
Dewpoint 12°C (54°F)
Visibility 16 km
Last update 28 May 3:35 pm MDT
Extended Forecast for

Lead SD

  • Late
    Afternoon

    Thunderstorms Chance for Measurable Precipitation 90%

    Thunderstorms

    High: 18 °C

  • Tonight

    Thunderstorms Chance for Measurable Precipitation 90%

    Thunderstorms

    Low: 7 °C

  • Friday

    Showers Likely Chance for Measurable Precipitation 60%

    Showers
    Likely

    High: 12 °C

  • Friday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 4 °C

  • Saturday

    Mostly Sunny

    Mostly
    Sunny

    High: 17 °C

  • Saturday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 9 °C

  • Sunday

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 23 °C

  • Sunday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 10 °C

  • Monday

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 26 °C

Detailed Forecast

Late Afternoon
Showers and thunderstorms. High near 18. North wind around 23 km/h, with gusts as high as 32 km/h. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms before midnight, then occasional showers and possibly a thunderstorm, mainly after midnight. Low around 7. Northwest wind 21 to 26 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 37 km/h. Chance of precipitation is 90%.
Friday
Showers likely, mainly before 9am. Mostly cloudy, with a high near 12. North wind 14 to 23 km/h, with gusts as high as 32 km/h. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 4. Northeast wind 8 to 14 km/h becoming south after midnight.
Saturday
Mostly sunny, with a high near 17. Southeast wind 10 to 15 km/h increasing to 16 to 21 km/h in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 9. Southeast wind 11 to 21 km/h becoming southwest after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 23.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 10.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 26.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 12.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 23.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 8.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 19.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 7.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 18.
  Click Map For Forecast
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 1622 m)
2:42 pm MDT May 28, 2015
5pm MDT May 28, 2015-6pm MDT Jun 4, 2015
 
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Additional Resources

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