Hour-by-hour Forecast in Rapid City — Graph
Detailed Hourly Forecast — Next 24 hours
Scroll right to see more
| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 10:00 am Sat, Mar 21 |  | 70 °F | Scattered clouds. | 75 °F | 1 mph | ↑ | 21% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 am | | 73 °F | Mostly sunny. | 75 °F | 4 mph | ↑ | 20% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 75 °F | Mostly sunny. | 76 °F | 8 mph | ↑ | 19% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 pm | | 79 °F | Scattered clouds. | 78 °F | 3 mph | ↑ | 16% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 pm |  | 83 °F | Broken clouds. | 80 °F | 7 mph | ↑ | 14% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 pm | | 85 °F | Mostly cloudy. | 82 °F | 14 mph | ↑ | 12% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 pm |  | 85 °F | Cloudy. | 82 °F | 11 mph | ↑ | 11% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 pm | | 84 °F | Cloudy. | 81 °F | 10 mph | ↑ | 12% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 pm | | 80 °F | Cloudy. | 78 °F | 12 mph | ↑ | 15% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 pm | | 72 °F | Cloudy. | 75 °F | 15 mph | ↑ | 23% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 pm |  | 67 °F | Overcast. | 67 °F | 18 mph | ↑ | 32% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 pm | | 59 °F | Overcast. | 55 °F | 22 mph | ↑ | 46% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 pm | | 54 °F | Overcast. | 48 °F | 20 mph | ↑ | 58% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 pm | | 49 °F | Overcast. | 43 °F | 18 mph | ↑ | 65% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 am Sun, Mar 22 | | 45 °F | Overcast. | 38 °F | 16 mph | ↑ | 73% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 am | | 43 °F | Overcast. | 36 °F | 14 mph | ↑ | 77% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 am | | 43 °F | Overcast. | 37 °F | 13 mph | ↑ | 76% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 am | | 42 °F | Overcast. | 35 °F | 12 mph | ↑ | 79% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 am | | 41 °F | Overcast. | 34 °F | 11 mph | ↑ | 83% | 1% | 0.00" (snow) 0.00" (rain) |
| 5:00 am | | 40 °F | Overcast. | 33 °F | 11 mph | ↑ | 87% | 3% | 0.00" (snow) 0.00" (rain) |
| 6:00 am | | 40 °F | Overcast. | 33 °F | 11 mph | ↑ | 89% | 4% | 0.00" (snow) 0.00" (rain) |
| 7:00 am | | 39 °F | Overcast. | 33 °F | 10 mph | ↑ | 88% | 5% | 0.00" (snow) 0.00" (rain) |
| 8:00 am | | 40 °F | Overcast. | 34 °F | 8 mph | ↑ | 85% | 5% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 41 °F | Overcast. | 36 °F | 7 mph | ↑ | 79% | 5% | 0.00" (snow) 0.00" (rain) |
| * Updated Saturday, March 21, 2026 7:42:39 am Rapid City time - Weather by CustomWeather, © 2026 | |||||||||