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

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 8 Jul 2:35 am MDT
Extended Forecast for

Lead SD

  • Overnight

    Overnight: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. Calm wind.  Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph. Winds could gust as high as 16 mph.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 56. Light southwest wind.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon.  Increasing clouds, with a high near 79. Light and variable wind. Winds could gust as high as 15 mph.  Chance of precipitation is 70%.

    High: 79 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 56. Light southwest wind.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph. Winds could gust as high as 16 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 56. Light southwest wind.
Thursday
Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 79. Light and variable wind. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 56. Light southwest wind.
Friday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 66.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
12:32 am MDT Jul 8, 2026
2am MDT Jul 8, 2026-6pm MDT Jul 14, 2026
 
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Additional Resources

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