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

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Overcast

52°F

11°C

Humidity 72%
Wind Speed N 14 mph
Barometer 29.89 in (1011.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 11 Oct 10:52 am MDT
Extended Forecast for

Colonial Pine Hills SD

  • Today

    Today: Mostly cloudy, with a high near 59. Northeast wind around 7 mph, with gusts as high as 16 mph.

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of showers.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 46. Northeast wind around 6 mph becoming light and variable  in the evening. Winds could gust as high as 16 mph.

    Low: 46 °F

    Chance
    Showers and
    Patchy Fog

  • Columbus Day

    Columbus Day: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 59. Light and variable wind becoming northeast 6 to 11 mph in the morning. Winds could gust as high as 26 mph.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 41. North wind 8 to 13 mph becoming light  after midnight. Winds could gust as high as 25 mph.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain.  Mostly cloudy, with a high near 54. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 54 °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: Rain likely, mainly after noon.  Mostly cloudy, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

  • 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 before noon.  Partly sunny, with a high near 54. Breezy.

    High: 54 °F

    Chance Rain
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 59. Northeast wind around 7 mph, with gusts as high as 16 mph.
Tonight
A 40 percent chance of showers. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 46. Northeast wind around 6 mph becoming light and variable in the evening. Winds could gust as high as 16 mph.
Columbus Day
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 59. Light and variable wind becoming northeast 6 to 11 mph in the morning. Winds could gust as high as 26 mph.
Monday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 41. North wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 25 mph.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 54. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 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
Rain likely, mainly after noon. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 43.
Thursday
A chance of rain before noon. Partly sunny, with a high near 54. Breezy.
Thursday Night
A slight chance of rain before midnight. Partly cloudy, with a low around 37. Breezy.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Colonial Pine Hills SD
 44.01°N 103.32°W (Elev. 4134 ft)
9:36 am MDT Oct 11, 2026
11am 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