National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

A Few Clouds

62°F

17°C

Humidity 32%
Wind Speed NW 6 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 9 May 4:52 pm MDT
Extended Forecast for

Rapid City SD

  • This Afternoon

    This Afternoon: A 30 percent chance of showers. Partly sunny, with a high near 63. North wind around 8 mph, with gusts as high as 20 mph.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. North wind 5 to 7 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Southeast wind around 6 mph becoming light and variable.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph becoming north 11 to 16 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Northwest wind 7 to 16 mph, with gusts as high as 32 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. North wind 7 to 16 mph, with gusts as high as 30 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. North wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 28 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Partly sunny, with a high near 63. North wind around 8 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 42. North wind 5 to 7 mph becoming light and variable. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 70. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 46. Southeast wind around 6 mph becoming light and variable.
Monday
Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph becoming north 11 to 16 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Partly cloudy, with a low around 54. Northwest wind 7 to 16 mph, with gusts as high as 32 mph.
Tuesday
Sunny, with a high near 77. North wind 7 to 16 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 47. North wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 28 mph.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Sunny, with a high near 84.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
Last Update:
5:37 pm MDT May 9, 2026
Forecast Valid:
5pm MDT May 9, 2026-6pm MDT May 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation