Rapid City Weather Forecast
- 48
- 69
Mostly Sunny
- 49
- 80
Chance Thunderstorms
- 44
- 61
Rain Showers Likely
- 42
- 56
Rain Showers Likely
- 45
- 65
Chance Rain Showers
- 45
- 65
Chance Thunderstorms
Today 18 May Rapid City
Sunny. Highs around 70. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.
Tonight 18 May Rapid City
Mostly clear and breezy. Lows in the mid 40s. Northwest Winds 20 to 30 Mph with Gusts up to 45 Mph.
Rapid City Temperature Statistics
May Temperature
Ellsworth Air Force Base (8.1 miles)
Lowest 4 May, 2024
28.8 °FAverage May
53.8 °FHighest 13 May, 2024
77 °F
Climate (2019–Present)
Ellsworth Air Force Base (8.1 miles)
Average Low 2019–2024
37 °FAverage 2019–2024
48.5 °FAverage High 2019–2024
60.1 °F