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.

Light Rain

52°F

11°C

Humidity 62%
Wind Speed Calm
Barometer 29.81 in
Dewpoint 39°F (4°C)
Visibility 2.50 mi
Last update 11 Oct 12:15 am MDT
Extended Forecast for

Deadwood SD

  • Overnight

    Overnight: Increasing clouds, with a low around 47. Calm wind.

    Low: 47 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Cloudy, then gradually becoming partly cloudy, with a low around 44. Southeast wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 44 °F

    Chance Rain

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 57. Light and variable wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 35 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 53. Calm wind becoming east around 5 mph. Chance of precipitation is 60%.

    High: 53 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after noon. Mostly cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain Likely

Detailed Forecast

Overnight
Increasing clouds, with a low around 47. Calm wind.
Sunday
Mostly cloudy, with a high near 58. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.
Sunday Night
A 40 percent chance of rain. Cloudy, then gradually becoming partly cloudy, with a low around 44. Southeast wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Columbus Day
Mostly sunny, with a high near 57. Light and variable wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 53. Calm wind becoming east around 5 mph. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Wednesday
Rain likely, mainly after noon. Mostly cloudy, with a high near 53.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 37.
Thursday
A chance of rain, mainly before noon. Partly sunny, with a high near 52. Breezy.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 31. Blustery.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deadwood SD
 44.38°N 103.72°W (Elev. 4905 ft)
Last Update:
11:31 pm MDT Oct 10, 2026
Forecast Valid:
12am MDT Oct 11, 2026-6pm MDT Oct 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation