Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

97°F

36°C

Humidity 22%
Wind Speed Vrbl 5 G 13 mph
Barometer 30.00 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 26 Jul 2:15 pm MDT
Extended Forecast for

Deadwood SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 98. Calm wind becoming north around 6 mph. Winds could gust as high as 18 mph.

    High: 98 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 93. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 20 mph.

    High: 93 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Scattered showers and thunderstorms, mainly before midnight.  Areas of smoke before midnight. Mostly cloudy, with a low around 68. Southeast wind around 6 mph becoming calm  after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 40%.

    Low: 68 °F

    Scattered
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 91. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 69. Southeast wind around 6 mph becoming calm  after midnight. Winds could gust as high as 17 mph.

    Low: 69 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon.  Increasing clouds, with a high near 92. Chance of precipitation is 60%.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 65.

    Low: 65 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon.  Sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 98. Calm wind becoming north around 6 mph. Winds could gust as high as 18 mph.
Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Northeast wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 93. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Scattered showers and thunderstorms, mainly before midnight. Areas of smoke before midnight. Mostly cloudy, with a low around 68. Southeast wind around 6 mph becoming calm after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 69. Southeast wind around 6 mph becoming calm after midnight. Winds could gust as high as 17 mph.
Wednesday
Showers and thunderstorms likely after noon. Increasing clouds, with a high near 92. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 65.
Thursday
A chance of showers and thunderstorms after noon. Sunny, with a high near 88.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 89.
Friday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Deadwood SD
 44.38°N 103.72°W (Elev. 4905 ft)
2:27 pm MDT Jul 26, 2026
2pm MDT Jul 26, 2026-6pm MDT Aug 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database