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

50°F

10°C

Humidity 76%
Wind Speed NE 6 mph
Barometer 29.86 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 11 Oct 1:35 pm MDT
Extended Forecast for

North Spearfish SD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 56. East wind 8 to 11 mph, with gusts as high as 25 mph.

    High: 56 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of showers before 2am.  Mostly cloudy, with a low around 45. East wind 11 to 16 mph becoming light  after midnight. Winds could gust as high as 23 mph.

    Low: 45 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: Cloudy, then gradually becoming mostly sunny, with a high near 55. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 24 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A 40 percent chance of rain after midnight.  Mostly cloudy, with a low around 37. Northwest wind 6 to 11 mph becoming light  in the evening. Winds could gust as high as 18 mph.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 52. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 52 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 39. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 39 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain after noon.  Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before noon.  Partly sunny, with a high near 56. Windy.

    High: 56 °F

    Slight Chance
    Rain and
    Breezy then
    Mostly Sunny
    and Windy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 56. East wind 8 to 11 mph, with gusts as high as 25 mph.
Tonight
A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 45. East wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 23 mph.
Columbus Day
Cloudy, then gradually becoming mostly sunny, with a high near 55. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 37. Northwest wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 18 mph.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 52. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 39. Northeast wind around 6 mph becoming calm in the evening.
Wednesday
A 40 percent chance of rain after noon. Partly sunny, with a high near 55.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
A slight chance of rain before noon. Partly sunny, with a high near 56. Windy.
Thursday Night
Mostly clear, with a low around 33. Breezy.
Friday
Sunny, with a high near 59.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
North Spearfish SD
 44.52°N 103.91°W (Elev. 3615 ft)
12:51 pm MDT Oct 11, 2026
2pm 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