National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

77°F

25°C

Humidity 57%
Wind Speed SE 8 mph
Barometer 29.88 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Jul 7:55 pm MDT
Extended Forecast for

2 Miles SSW Spearfish SD

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a steady temperature around 66. Southwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 66 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 52. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 58. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 58 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 74. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 58. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 58 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a steady temperature around 66. Southwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 52. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 58. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 74. East wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 58. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Saturday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Monday
Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Spearfish SD
 44.46°N 103.84°W (Elev. 4229 ft)
Last Update:
6:29 pm MDT Jul 14, 2025
Forecast Valid:
8pm MDT Jul 14, 2025-6pm MDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation