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Rapid City, South Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Rapid City SD
National Weather Service Forecast for: Rapid City SD
Issued by: National Weather Service Rapid City, SD
Updated: 3:29 am MDT Jul 12, 2025
 
Today

Today: Sunny, with a high near 87. West wind around 5 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Sunny

Tonight

Tonight: Mostly clear, with a low around 59. East wind around 5 mph becoming west after midnight. Winds could gust as high as 15 mph.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 93. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 66. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Mostly Clear

Monday

Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 99. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny then
Slight Chance
T-storms
Monday
Night
Monday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 62. South wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Chance
T-storms

Tuesday

Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 81. North wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly Sunny
then Chance
T-storms
Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Chance
T-storms then
Chance
Showers
Wednesday

Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 71.
Showers
Likely

Hi 87 °F Lo 59 °F Hi 93 °F Lo 66 °F Hi 99 °F Lo 62 °F Hi 81 °F Lo 57 °F Hi 71 °F

 

Today
 
Sunny, with a high near 87. West wind around 5 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Tonight
 
Mostly clear, with a low around 59. East wind around 5 mph becoming west after midnight. Winds could gust as high as 15 mph.
Sunday
 
Sunny, with a high near 93. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
 
Mostly clear, with a low around 66. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Monday
 
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 99. South wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
 
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 62. South wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
 
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. North wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71.
Wednesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Thursday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Thursday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Friday
 
Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Rapid City SD.

Weather Forecast Discussion
403
FXUS63 KUNR 120701
AFDUNR

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
101 AM MDT Sat Jul 12 2025

.KEY MESSAGES...

-Dry this weekend with temps warming back up through Monday, when
 triple digits will return

-Unsettled conditions return next week with a significant cool
 down mid next week

&&

.DISCUSSION...(Today Through Friday)
Issued at 1257 AM MDT Sat Jul 12 2025

Semi-zonal flow will persist across the international border
through early next week as the western CONUS ridge builds and
shifts east. This will support dry conds through the weekend.
However, a stronger impulse will shift a strong cold front into
the region by Wed of next week as unsettled weather returns.
Fairly deep upper low over the upper Midwest continues to push
east as a weak sfc high shifts over the FA. Clear skies, light
winds, and a fairly dry BL has allowed temps to drop off this
morning, esp in drainage areas in the Black Hills where a few 30s
have been observed. WAA and height rises will ramp up today with
sunny skies and generally light winds. Expect highs generally in
the 80s, cooler in the higher terrain. Weak sfc trough will move
through the region Sunday, with the only effect being a shift of
wind as lack of moisture and forcing will preclude any precip. WAA
will ensue Sunday night, with much warmer conds expected by
Monday when most places will see 90s, with a few 100s on the SD
plains. An upper level impulse will advect through the region
Monday with diurnal heating, sufficient moisture, and weak CIN
allowing chances for thunderstorms in the afternoon. Upper jet
will shift south as a round of impulses traverse the region with
sufficient moisture in place, supporting rain chances Tues-Thur.
In that period, a stronger upper trough will move through the
region Tues-Wed, supporting a good chance of TS along with much
cooler temps by Wed when many areas on the plains will see highs
in the 60s. After a cool Wed and Thur, things will quickly warm
back up the remainder of the week, with chances for storms at
times as moisture returns.

&&

.AVIATION...(For the 06Z TAFS Through 06Z Saturday Night)
Issued At 1123 PM MDT Fri Jul 11 2025

VFR conditions are expected through the TAF period.

&&

.UNR WATCHES/WARNINGS/ADVISORIES...
SD...None.
WY...None.
&&

$$

DISCUSSION/KEY MESSAGES...JC
AVIATION...15
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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