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

Caputa SD

  • Today

    Today: Mostly cloudy, with a high near 64. North wind around 10 mph, with gusts as high as 21 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers.  Mostly cloudy, with a low around 45. Northeast wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 18 mph.

    Low: 45 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: Cloudy, then gradually becoming mostly sunny, with a high near 60. Breezy, with a southeast wind 5 to 10 mph becoming north 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 60 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 39. Breezy, with a north wind 16 to 21 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 39 mph.

    Low: 39 °F

    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before noon.  Partly sunny, with a high near 58. Light and variable wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 58 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight.  Mostly cloudy, with a low around 39. North wind 3 to 6 mph. Winds could gust as high as 15 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain before noon.  Partly sunny, with a high near 59. Breezy.

    High: 59 °F

    Chance Rain
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 64. North wind around 10 mph, with gusts as high as 21 mph.
Tonight
A 30 percent chance of showers. Mostly cloudy, with a low around 45. Northeast wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 18 mph.
Columbus Day
Cloudy, then gradually becoming mostly sunny, with a high near 60. Breezy, with a southeast wind 5 to 10 mph becoming north 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.
Monday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 39. Breezy, with a north wind 16 to 21 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 39 mph.
Tuesday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 58. Light and variable wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 39. North wind 3 to 6 mph. Winds could gust as high as 15 mph.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 57.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 40.
Thursday
A chance of rain before noon. Partly sunny, with a high near 59. Breezy.
Thursday Night
Partly cloudy, with a low around 35. Breezy.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 68.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Caputa SD
 44°N 102.99°W (Elev. 2953 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