Rapid City, SD Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Rapid City, SD in one place.
A chance of showers and thunderstorms after noon. Mostly sunny. High near 90, with temperatures falling to around 88 in the afternoon. Northwest wind 6 to 12 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Rapid City, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 23, 2026 10:13 AM MDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Rapid City, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 10:13 AM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Rapid City
Monday looks like the warmest upcoming period in Rapid City at 90 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Monday at about 6 to 12 mph NW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 10:13 AM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Northwest wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 84, with temperatures falling to around 82 in the afternoon. North wind around 7 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.
Mostly clear, with a low around 58. Northwest wind 2 to 7 mph, with gusts as high as 17 mph.
Sunny, with a high near 85.
Partly cloudy, with a low around 58.
A chance of showers and thunderstorms after noon. Sunny, with a high near 87.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61.
Mostly sunny, with a high near 90.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
6 to 12 mph
NW
|
|
Monday Night
Aug 24
|
Slight Chance Showers And Thunderstorms
|
61°F |
5 to 9 mph
NW
|
|
Tuesday
Aug 25
|
Mostly Sunny then Chance Showers And Thunderstorms
|
84°F |
7 mph
N
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
58°F |
2 to 7 mph
NW
|
|
Wednesday
Aug 26
|
Sunny
|
85°F |
2 to 7 mph
N
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
58°F |
2 to 6 mph
S
|
|
Thursday
Aug 27
|
Sunny then Chance Showers And Thunderstorms
|
87°F |
2 to 10 mph
S
|
|
Thursday Night
Aug 27
|
Chance Showers And Thunderstorms then Partly Cloudy
|
60°F |
3 to 10 mph
S
|
|
Friday
Aug 28
|
Mostly Sunny then Chance Showers And Thunderstorms
|
89°F |
3 to 12 mph
S
|
|
Friday Night
Aug 28
|
Chance Showers And Thunderstorms then Partly Cloudy
|
61°F |
5 to 8 mph
SW
|
|
Saturday
Aug 29
|
Mostly Sunny
|
90°F |
5 to 9 mph
SE
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms then Partly Cloudy
|
61°F |
6 to 9 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rapid City.
