Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Ellsworth Air Force Base (KRCA)

Lat: 44.15°NLon: 103.1°WElev: 3278ft.

Overcast and Breezy

41°F

5°C

Humidity 76%
Wind Speed N 21 mph
Barometer 29.91 in (1013.5 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 12 Oct 11:55 pm MDT
Extended Forecast for

Rapid City SD

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am.  Cloudy, with a low around 39. North wind around 6 mph becoming calm.  Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before noon.  Cloudy, with a high near 47. Light east wind.  Chance of precipitation is 60%.

    High: 47 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Light north wind.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon.  Mostly sunny, with a high near 55. Calm wind becoming southeast around 5 mph. Winds could gust as high as 16 mph.

    High: 55 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 44. Calm wind becoming northwest 5 to 8 mph after midnight. Winds could gust as high as 16 mph.  Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 60. Breezy, with a north wind 13 to 18 mph increasing to 23 to 28 mph in the morning. Winds could gust as high as 44 mph.

    High: 60 °F

    Decreasing
    Clouds and
    Breezy

  • Thursday Night

    Thursday Night: Clear, with a low around 33. Breezy.

    Low: 33 °F

    Mostly Clear
    and Breezy
    then Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Cloudy, with a low around 39. North wind around 6 mph becoming calm. Chance of precipitation is 70%.
Tuesday
Showers likely, mainly before noon. Cloudy, with a high near 47. Light east wind. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 41. Light north wind.
Wednesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 55. Calm wind becoming southeast around 5 mph. Winds could gust as high as 16 mph.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 44. Calm wind becoming northwest 5 to 8 mph after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 60. Breezy, with a north wind 13 to 18 mph increasing to 23 to 28 mph in the morning. Winds could gust as high as 44 mph.
Thursday Night
Clear, with a low around 33. Breezy.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 45.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
12:31 am MDT Oct 13, 2026
1am MDT Oct 13, 2026-6pm MDT Oct 19, 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