Dangerous, Heat Wave Persists in the Eastern U.S.; Severe Weather Expected in the Central Plains and Mid-Atlantic

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorms are expected to produce damaging wind gusts from the Upper Ohio Valley into the Mid Atlantic, and across the central Great Plains this afternoon and evening. Large hail and heavy rain is also possible across the Great Plains. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds

59°F

15°C

Humidity 68%
Wind Speed Vrbl 6 G 16 mph
Barometer 30.14 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 4 Jul 5:55 am MDT
Extended Forecast for

4 Miles S Spearfish SD

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Slight Chance
    T-storms

  • Independence Day

    Independence Day: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81. Light and variable wind. Winds could gust as high as 17 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Light and variable wind becoming south around 6 mph in the evening. Winds could gust as high as 18 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Southeast wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 25 mph.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 86. Calm wind becoming north around 6 mph in the morning. Winds could gust as high as 17 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. Calm wind.
Independence Day
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Light and variable wind. Winds could gust as high as 17 mph.
Saturday Night
Mostly clear, with a low around 65. Light and variable wind becoming south around 6 mph in the evening. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 90. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 69. Southeast wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 25 mph.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Calm wind becoming north around 6 mph in the morning. Winds could gust as high as 17 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 62.
Tuesday
A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 83.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 60.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Spearfish SD
 44.44°N 103.84°W (Elev. 4780 ft)
4:02 am MDT Jul 4, 2026
5am MDT Jul 4, 2026-6pm MDT Jul 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database