Rapid City Airport (RAP) Weather 08/31/2025
Tonight
61
T-storms Likely
Friday
80
T-storms Likely
Friday Night
56
Slight Chance T-storms then Slight Chance Showers
Saturday
79
Sunny
Saturday Night
53
Mostly Clear then Slight Chance Showers
Sunday
77
Sunny
Sunday Night
50
Partly Cloudy
Monday
77
Mostly Sunny then Slight Chance T-storms
Monday Night
52
Partly Cloudy then Slight Chance Showers
Tuesday
81
Mostly Sunny then Slight Chance T-storms
Tuesday Night
54
Partly Cloudy
Wednesday
83
Mostly Sunny
Wednesday Night
56
Slight Chance T-storms then Mostly Cloudy
Weekly Forecast
Tonight
Showers and thunderstorms likely, mainly after 5am. Mostly cloudy, with a low around 61. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly before noon. Mostly cloudy, with a high near 80. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 79. North wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
A 20 percent chance of showers after midnight. Mostly clear, with a low around 53. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 77. North wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 50. Northeast wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of showers after midnight. Partly cloudy, with a low around 52.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56.