Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

45°F

7°C

Humidity 93%
Wind Speed N 5 mph
Barometer 29.91 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 11 Oct 9:35 am MDT
Extended Forecast for

2 Miles S Whitewood SD

  • Today

    Today: Mostly cloudy, with a high near 58. Light northeast wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 58 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of showers.  Mostly cloudy, with a low around 46. East wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: A 20 percent chance of showers before noon.  Partly sunny, with a high near 53. East wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 53 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 40. Northwest wind 9 to 14 mph becoming light  after midnight. Winds could gust as high as 24 mph.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 55. Calm wind becoming east around 6 mph in the morning. Winds could gust as high as 16 mph.

    High: 55 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 42. East wind around 5 mph becoming calm  in the evening.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain, mainly before noon.  Partly sunny, with a high near 55. Breezy.

    High: 55 °F

    Chance Rain
    and Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 58. Light northeast wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
A 50 percent chance of showers. Mostly cloudy, with a low around 46. East wind 8 to 11 mph, with gusts as high as 21 mph.
Columbus Day
A 20 percent chance of showers before noon. Partly sunny, with a high near 53. East wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Monday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 40. Northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 24 mph.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 55. Calm wind becoming east around 6 mph in the morning. Winds could gust as high as 16 mph.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42. East wind around 5 mph becoming calm in the evening.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 55.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 43.
Thursday
A chance of rain, mainly before noon. Partly sunny, with a high near 55. Breezy.
Thursday Night
A slight chance of rain before midnight. Partly cloudy, with a low around 37. Breezy.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 68.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Whitewood SD
 44.45°N 103.63°W (Elev. 3714 ft)
9:36 am MDT Oct 11, 2026
10am MDT Oct 11, 2026-6pm MDT Oct 17, 2026
 
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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