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 29%
Wind Speed NE 17 G 23 mph
Barometer 30.11 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 6 Jul 5:55 pm MDT
Extended Forecast for

8 Miles SSE Lead SD

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am.  Mostly cloudy, with a low around 54. East wind around 6 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 54 °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 78. Southeast wind around 5 mph becoming calm  in the afternoon. Winds could gust as high as 18 mph.

    High: 78 °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. Light and variable wind. Winds could gust as high as 16 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 73. Light and variable wind.

    High: 73 °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 becoming south around 5 mph after midnight.

    Low: 51 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 73. Light and variable wind. Winds could gust as high as 15 mph.

    High: 73 °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: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 77.

    High: 77 °F

    Sunny then
    Slight Chance
    T-storms

  • 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 54. East wind around 6 mph becoming southeast after midnight. Winds could gust as high as 21 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 78. Southeast wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 53. Light and variable wind. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. 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 becoming south around 5 mph after midnight.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. 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
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Lead SD
 44.25°N 103.73°W (Elev. 6575 ft)
5:32 pm MDT Jul 6, 2026
6pm MDT Jul 6, 2026-6pm MDT Jul 13, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database