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

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

82°F

28°C

Humidity 55%
Wind Speed E 14 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 2 Jul 6:35 pm MDT
Extended Forecast for

Lead SD

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and midnight. Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 90. South wind around 5 mph, with gusts as high as 15 mph.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. South wind around 5 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 60 °F

    Slight Chance
    T-storms

  • Independence Day

    Independence Day: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. West wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 76 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 54. North wind around 5 mph becoming west after midnight.

    Low: 54 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. West wind around 5 mph becoming north in the morning. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52. North wind around 5 mph becoming west in the evening. Winds could gust as high as 15 mph.

    Low: 52 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 75. West wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 75 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 9pm and midnight. Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 90. South wind around 5 mph, with gusts as high as 15 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. South wind around 5 mph becoming west after midnight. Winds could gust as high as 15 mph.
Independence Day
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. West wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 54. North wind around 5 mph becoming west after midnight.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. West wind around 5 mph becoming north in the morning. Winds could gust as high as 20 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52. North wind around 5 mph becoming west in the evening. Winds could gust as high as 15 mph.
Sunday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 75. West wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 53.
Monday
A chance of showers and thunderstorms after noon. Sunny, with a high near 78.
Monday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 57.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 81.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 56.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
4:50 pm MDT Jul 2, 2025
Forecast Valid:
6pm MDT Jul 2, 2025-6pm MDT Jul 9, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation