| Point Forecast: Rapid City Regional Airport SD 44.04N 103.06W (Elev. 3100 ft) |
Last Update: 3:51 pm MDT Jun 19, 2025 |
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| Date | 06/19 | 06/20 | ||||||||||||||||||||||
| Hour (MDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 96 | 96 | 92 | 87 | 81 | 74 | 73 | 70 | 68 | 68 | 65 | 63 | 63 | 61 | 66 | 71 | 75 | 83 | 89 | 96 | 99 | 101 | 103 | 102 |
| Dewpoint (°F) | 41 | 43 | 45 | 47 | 48 | 49 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 52 | 52 | 54 | 54 | 52 | 48 | 43 | 40 | 37 | 35 |
| Heat Index (°F) | 92 | 92 | 88 | 84 | 80 | 75 | 82 | 86 | 93 | 95 | 96 | 98 | 96 | |||||||||||
| Surface Wind (mph) | 9 | 9 | 7 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 5 | 3 | 3 | 6 | 6 | 6 | 6 | 7 | 10 | 13 | 15 | 18 | 20 | 20 |
| Wind Dir | E | E | E | E | E | SE | SE | S | SW | S | E | SE | N | N | N | N | N | W | S | S | SW | SW | SW | SW |
| Gust | 17 | 16 | 16 | 21 | 24 | 26 | 30 | 33 | 33 | |||||||||||||||
| Sky Cover (%) | 8 | 10 | 16 | 23 | 29 | 27 | 26 | 24 | 23 | 22 | 20 | 18 | 16 | 14 | 11 | 8 | 4 | 5 | 6 | 7 | 8 | 9 | 9 | 11 |
| Precipitation Potential (%) | 0 | 0 | 0 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 15 | 16 | 20 | 25 | 32 | 41 | 43 | 46 | 49 | 49 | 54 | 58 | 58 | 64 | 60 | 52 | 48 | 37 | 28 | 19 | 15 | 12 | 10 | 10 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/21 | |||||||||||||||||||||||
| Hour (MDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 101 | 99 | 94 | 87 | 79 | 76 | 73 | 70 | 68 | 67 | 66 | 64 | 62 | 63 | 68 | 75 | 83 | 86 | 89 | 90 | 92 | 93 | 93 | 93 |
| Dewpoint (°F) | 35 | 36 | 41 | 42 | 40 | 41 | 42 | 39 | 40 | 39 | 38 | 37 | 37 | 37 | 39 | 41 | 42 | 43 | 44 | 44 | 44 | 45 | 45 | 46 |
| Heat Index (°F) | 95 | 94 | 90 | 84 | 78 | 76 | 75 | 81 | 83 | 85 | 86 | 88 | 89 | 89 | 89 | |||||||||
| Surface Wind (mph) | 18 | 16 | 14 | 11 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 11 | 14 | 15 | 16 | 16 | 16 | 16 | 15 |
| Wind Dir | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | SW | SW | SW | W | W | W | W | W | W | NW |
| Gust | 33 | 31 | 26 | 21 | 15 | 15 | 17 | 18 | 21 | 23 | 25 | 28 | 29 | 29 | 28 | 26 | ||||||||
| Sky Cover (%) | 13 | 15 | 15 | 15 | 15 | 12 | 10 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 7 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 10 | 11 | 16 | 21 | 25 | 28 | 33 | 32 | 36 | 36 | 36 | 37 | 39 | 38 | 35 | 29 | 24 | 22 | 21 | 20 | 19 | 19 | 19 | 20 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
