Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Tuesday

In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding Tuesday. Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota Tuesday afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. Extreme heat returns to the southwest U.S. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

73°F

23°C

Humidity 61%
Wind Speed E 8 mph
Barometer 30.18 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 6 Jul 11:15 pm MDT
Extended Forecast for

6 Miles SW Lead SD

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 55. Light southeast wind. Winds could gust as high as 21 mph.

    Low: 55 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 3pm. Some of the storms could be severe.  Partly sunny, with a high near 80. Light and variable wind. Winds could gust as high as 21 mph.  Chance of precipitation is 60%.

    High: 80 °F

    Mostly Cloudy
    then Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Some of the storms could be severe.  Mostly cloudy, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 52 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 76. Light and variable wind. Winds could gust as high as 15 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 76. Light and variable wind.

    High: 76 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 55. Light southeast wind. Winds could gust as high as 21 mph.
Tuesday
Showers and thunderstorms likely, mainly after 3pm. Some of the storms could be severe. Partly sunny, with a high near 80. Light and variable wind. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Some of the storms could be severe. Mostly cloudy, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 76. Light and variable wind. Winds could gust as high as 15 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 50. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. Light and variable wind.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Lead SD
 44.31°N 103.86°W (Elev. 5597 ft)
10:02 pm MDT Jul 6, 2026
11pm MDT Jul 6, 2026-6pm MDT Jul 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database