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.

A Few Clouds

73°F

23°C

Humidity 69%
Wind Speed E 12 G 22 mph
Barometer 30.05 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 7 Jul 8:55 pm MDT
Extended Forecast for

Lead SD

Severe T-storm Watch until July 7, 11:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch until July 7, 11:00pm

    NOW until 11:00pm Tue

    Severe T-storm Watch

  • Tonight

    Low: 59 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A 40 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, with a low around 58. Light southwest wind. Winds could gust as high as 15 mph.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 84 °F

    Sunny

  • Friday Night

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

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 59. Calm wind.
Wednesday
A 40 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, with a low around 58. Light southwest wind. Winds could gust as high as 15 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 79. Light and variable wind.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. Calm wind.
Friday
Sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 16 mph.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 66.
Tuesday
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)
8:38 pm MDT Jul 7, 2026
9pm MDT Jul 7, 2026-6pm MDT Jul 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database