Severe Weather and Heavy Rainfall Potential for the Plains; Coastal Low Across the mid-Atlantic

An upper trough and frontal boundary will focus showers and thunderstorms across portions of the Plains through this evening. A few severe thunderstorms along with heavy rainfall are expected. Meanwhile, low pressure off the Southeast Coast will bring inclement weather across the Carolina Shorelines through tonight. This system is forecast to meander off the mid-Atlantic coast early this week. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

70°F

21°C

Humidity 53%
Wind Speed NW 8 mph
Barometer 29.89 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Sep 2:35 pm MDT
Extended Forecast for

Lead SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Cloudy, with a high near 65. Northwest wind around 5 mph.

    High: 65 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 51. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 51 °F

    Gradual
    Clearing

  • Monday

    Monday: A slight chance of showers between noon and 3pm.  Sunny, with a high near 76. Southwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 20%.

    High: 76 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 47. Calm wind becoming west around 5 mph after midnight.  Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 65. West wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 40%.

    High: 65 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 47. North wind around 5 mph becoming west in the evening.  Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 3pm.  Partly sunny, with a high near 62. West wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 50%.

    High: 62 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 45. North wind around 5 mph becoming calm.

    Low: 45 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after noon.  Mostly sunny, with a high near 62.

    High: 62 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Cloudy, with a high near 65. Northwest wind around 5 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 51. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 15 mph.
Monday
A slight chance of showers between noon and 3pm. Sunny, with a high near 76. Southwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 47. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 40%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65. West wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. North wind around 5 mph becoming west in the evening. Chance of precipitation is 50%.
Wednesday
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 62. West wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 45. North wind around 5 mph becoming calm.
Thursday
A chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.33°N 103.77°W (Elev. 5197 ft)
12:36 pm MDT Sep 14, 2025
2pm MDT Sep 14, 2025-6pm MDT Sep 20, 2025
 
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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