Rapid City Regional Airport (RAP) 15 Day Weather Forecast, Rapid City United States
Current weather conditions and 15 day weather forecast for Rapid City Regional Airport in Rapid City, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at RAP
| 21 December 2025 Sun -6.1 ° C ( 21°F )  Clear |
Feels Like : -10.4 ° C / 13.3°F Humidity : % 59 Pressure : 1017 mb Wind Speed : 9.4 kmph / 5.8 miles from WNW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Rapid City Regional Airport, Rapid City, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 20 December 2025 Sat |  Patchy rain nearby |
-3.2 ° C | 8.6 ° C | 1.9 ° C | % 42 | 38.2 km/h | 66% |
| 21 December 2025 Sun |  Partly Cloudy |
-4.6 ° C | 7 ° C | 1.1 ° C | % 54 | 28.1 km/h | 0% |
| 22 December 2025 Mon | Sunny |
3.6 ° C | 14.9 ° C | 7.7 ° C | % 69 | 43.9 km/h | 0% |
| 23 December 2025 Tue |  Mist |
-1.3 ° C | 6.2 ° C | 3.1 ° C | % 81 | 29.5 km/h | 0% |
| 24 December 2025 Wed | Partly Cloudy |
7.5 ° C | 15.7 ° C | 12.1 ° C | % 34 | 32.8 km/h | 0% |
| 25 December 2025 Thu | Sunny |
-4.3 ° C | 12.5 ° C | 7.4 ° C | % 53 | 47.9 km/h | 0% |
| 26 December 2025 Fri | Sunny |
-6.6 ° C | 10.1 ° C | -0.8 ° C | % 59 | 24.5 km/h | 0% |
| 27 December 2025 Sat | Sunny |
2.2 ° C | 14.4 ° C | 8.1 ° C | % 44 | 16.9 km/h | 0% |
| 28 December 2025 Sun | Partly Cloudy |
6.9 ° C | 11.4 ° C | 9.2 ° C | % 46 | 15.5 km/h | 0% |
| 29 December 2025 Mon | Partly Cloudy |
0.4 ° C | 5 ° C | 3.7 ° C | % 63 | 16.2 km/h | 0% |
| 30 December 2025 Tue | Sunny |
-1.3 ° C | 11.5 ° C | 3.6 ° C | % 60 | 9.4 km/h | 0% |
| 31 December 2025 Wed |  Cloudy |
1.6 ° C | 13.3 ° C | 6.2 ° C | % 40 | 10.4 km/h | 0% |
| 01 January 2026 Thu | Sunny |
4.6 ° C | 13 ° C | 8.1 ° C | % 40 | 14.4 km/h | 0% |
| 02 January 2026 Fri | Partly Cloudy |
4 ° C | 9.8 ° C | 8.6 ° C | % 51 | 24.1 km/h | 0% |
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