Rapid City Airport (RAP) Weather 08/02/2026
This Afternoon
99
Chance T-storms
Tonight
66
Chance T-storms then Slight Chance T-storms
Tuesday
94
Patchy Smoke
Tuesday Night
65
Patchy Smoke
Wednesday
96
Sunny then Slight Chance T-storms
Wednesday Night
66
Showers Likely then Slight Chance T-storms
Thursday
93
Mostly Sunny then Chance T-storms
Thursday Night
62
Mostly Clear
Friday
93
Sunny
Friday Night
64
Mostly Clear
Saturday
96
Sunny
Saturday Night
66
Mostly Clear
Sunday
102
Hot and Breezy
Weekly Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 99. Southeast wind around 11 mph, with gusts as high as 28 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 66. Northeast wind 5 to 13 mph becoming south after midnight. Winds could gust as high as 24 mph.
Tuesday
Patchy smoke after 11am. Partly sunny, then gradually becoming sunny, with a high near 94. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Patchy smoke. Mostly clear, with a low around 65. Southeast wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 96. Southeast wind 5 to 15 mph, with gusts as high as 29 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 66. Southeast wind 5 to 14 mph becoming northwest in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny and hot, with a high near 102. Breezy.