National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Friday

Heavy to excessive rainfall is forecast for eastern Louisiana into central Alabama which could bring flash, urban, and riverine flooding Friday. Scattered severe thunderstorms with a few tornadoes, very large hail, and damaging winds are possible across parts of the Gulf Coast States Friday and Friday night. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds

82°F

28°C

Humidity 23%
Wind Speed W 14 G 31 mph
Barometer 29.48 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 May 3:55 pm MDT
Extended Forecast for

Lead SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74. West wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 74 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 9pm and 3am. Mostly cloudy, then gradually becoming clear, with a low around 38. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 36 mph.

    Low: 38 °F

    Breezy.
    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 60. West wind 6 to 14 mph, with gusts as high as 32 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. West wind 5 to 7 mph becoming east in the evening. Winds could gust as high as 18 mph.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. Southwest wind 5 to 8 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 69 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Northwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 49. Northwest wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    High: 49 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 39. North wind 3 to 6 mph. Winds could gust as high as 16 mph.

    Low: 39 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 47.

    High: 47 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74. West wind 11 to 13 mph, with gusts as high as 23 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 9pm and 3am. Mostly cloudy, then gradually becoming clear, with a low around 38. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 36 mph.
Saturday
Sunny, with a high near 60. West wind 6 to 14 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 47. West wind 5 to 7 mph becoming east in the evening. Winds could gust as high as 18 mph.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. Southwest wind 5 to 8 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Northwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 49. Northwest wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 39. North wind 3 to 6 mph. Winds could gust as high as 16 mph.
Tuesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 47.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 38.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 55.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 54.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 53.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
1:50 pm MDT May 17, 2024
Forecast Valid:
4pm MDT May 17, 2024-6pm MDT May 24, 2024
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation