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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair and Breezy

73°F

23°C

Humidity 22%
Wind Speed SW 24 G 33 mph
Barometer 29.61 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 10 Oct 7:55 am MDT
Extended Forecast for

Belle Fourche SD

  • Today

    Today: Sunny, with a high near 88. West wind 7 to 15 mph, with gusts as high as 29 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Increasing clouds, with a low around 46. Calm wind becoming southwest around 6 mph in the evening. Winds could gust as high as 16 mph.

    Low: 46 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers before noon. Cloudy, with a high near 59. North wind 6 to 13 mph becoming northeast in the morning. Winds could gust as high as 22 mph.

    High: 59 °F

    Chance
    Showers then
    Cloudy

  • Sunday Night

    Sunday Night: Rain likely. Cloudy, with a low around 41. East wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely

  • Columbus Day

    Columbus Day: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 56. East wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

    High: 56 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. North wind 6 to 13 mph becoming east after midnight. Winds could gust as high as 21 mph.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain before noon, then a chance of showers after noon. Mostly sunny, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after midnight. Partly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 88. West wind 7 to 15 mph, with gusts as high as 29 mph.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Increasing clouds, with a low around 46. Calm wind becoming southwest around 6 mph in the evening. Winds could gust as high as 16 mph.
Sunday
A 30 percent chance of showers before noon. Cloudy, with a high near 59. North wind 6 to 13 mph becoming northeast in the morning. Winds could gust as high as 22 mph.
Sunday Night
Rain likely. Cloudy, with a low around 41. East wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Columbus Day
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 56. East wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Monday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. North wind 6 to 13 mph becoming east after midnight. Winds could gust as high as 21 mph.
Tuesday
A slight chance of rain before noon, then a chance of showers after noon. Mostly sunny, with a high near 58. Chance of precipitation is 30%.
Tuesday Night
A chance of rain, mainly after midnight. Partly cloudy, with a low around 41.
Wednesday
Rain likely. Mostly cloudy, with a high near 57.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 41. Breezy.
Thursday
A chance of rain. Mostly sunny, with a high near 57. Windy.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 36. Windy.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belle Fourche SD
 44.65°N 103.83°W (Elev. 3068 ft)
Last Update:
6:21 am MDT Oct 10, 2026
Forecast Valid:
8am MDT Oct 10, 2026-6pm MDT Oct 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation