Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Partly Cloudy

86°F

30°C

Humidity 18%
Wind Speed W 17 G 33 mph
Barometer 29.63 in (1000.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 16 Jun 1:52 pm MDT
Extended Forecast for

Rapid City Regional Airport SD

Wind Advisory June 17, 09:00am until June 17, 08:00pm
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. Northwest wind 15 to 17 mph, with gusts as high as 33 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Breezy, with a northwest wind 7 to 12 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 37 mph.

    Low: 61 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 76. Windy, with a northwest wind 26 to 31 mph increasing to 32 to 37 mph in the morning. Winds could gust as high as 55 mph.

    High: 76 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Breezy, with a northwest wind 18 to 28 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 41 mph.

    Low: 48 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 75. North wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 23 mph.

    Low: 48 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 79. Breezy.

    High: 79 °F

    Slight Chance
    Showers then
    Chance
    T-storms and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. Northwest wind 15 to 17 mph, with gusts as high as 33 mph.
Tonight
Partly cloudy, with a low around 61. Breezy, with a northwest wind 7 to 12 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 37 mph.
Wednesday
Sunny, with a high near 76. Windy, with a northwest wind 26 to 31 mph increasing to 32 to 37 mph in the morning. Winds could gust as high as 55 mph.
Wednesday Night
Partly cloudy, with a low around 48. Breezy, with a northwest wind 18 to 28 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 41 mph.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 75. North wind 8 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 48. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 23 mph.
Juneteenth
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 52.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Breezy.
Saturday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 52. Breezy.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 73.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City Regional Airport SD
 44.04°N 103.06°W (Elev. 3100 ft)
1:48 pm MDT Jun 16, 2026
2pm MDT Jun 16, 2026-6pm MDT Jun 22, 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