Rapid City Airport (RAP) Weather 05/20/2025
This Afternoon
56
Slight Chance Showers and Breezy
Tonight
36
Partly Cloudy
Wednesday
61
Mostly Sunny then Chance Showers
Wednesday Night
37
Mostly Clear
Thursday
67
Sunny
Thursday Night
44
Showers Likely
Friday
64
Chance Showers
Friday Night
44
Chance Showers
Saturday
60
Showers Likely
Saturday Night
45
Showers
Sunday
61
Showers Likely
Sunday Night
43
Chance Showers
Memorial Day
61
Chance Showers
Weekly Forecast
This Afternoon
A 20 percent chance of showers before 5pm. Partly sunny, with a high near 56. Breezy, with a north wind 20 to 24 mph, with gusts as high as 33 mph.
Tonight
Partly cloudy, with a low around 36. North wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Wednesday
A 40 percent chance of showers after noon. Mostly sunny, with a high near 61. North wind 5 to 10 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 37. North wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 67. Light and variable wind becoming east 12 to 17 mph in the morning. Winds could gust as high as 28 mph.
Thursday Night
Showers likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then showers likely after midnight. Mostly cloudy, with a low around 44. Southeast wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44. East wind 6 to 15 mph, with gusts as high as 24 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60.
Saturday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 45.
Sunday
Showers likely. Partly sunny, with a high near 61.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 43.
Memorial Day
A chance of showers. Partly sunny, with a high near 61.