Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West

Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

88°F

31°C

Humidity 27%
Wind Speed NE 13 G 22 mph
Barometer 30.15 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 6 Jul 3:15 pm MDT
Extended Forecast for

4 Miles SSW Lead SD

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am.  Mostly cloudy, with a low around 55. East wind around 5 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 55 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 3pm. Some of the storms could be severe.  Mostly cloudy, with a high near 80. Southeast wind around 5 mph becoming calm  in the morning. Winds could gust as high as 17 mph.

    High: 80 °F

    Mostly Cloudy
    then Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe.  Mostly cloudy, with a low around 53. Calm wind. Winds could gust as high as 15 mph.  Chance of precipitation is 70%.

    Low: 53 °F

    Severe
    Thunderstorms
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76. Light and variable wind.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 76. Light and variable wind. Winds could gust as high as 15 mph.

    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 80.

    High: 80 °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 after 3am. Mostly cloudy, with a low around 55. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 80. Southeast wind around 5 mph becoming calm in the morning. Winds could gust as high as 17 mph.
Tuesday Night
Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 53. Calm wind. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Light and variable wind.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 51. Light and variable wind.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. Light and variable wind. Winds could gust as high as 15 mph.
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 80.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 90.
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:
4 Miles SSW Lead SD
 44.29°N 103.8°W (Elev. 5761 ft)
1:50 pm MDT Jul 6, 2026
3pm MDT Jul 6, 2026-6pm MDT Jul 13, 2026
 
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Additional Resources

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Hourly Weather Forecast

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