| Point Forecast: Rapid City SD 44.08N 103.24W (Elev. 3291 ft) |
Last Update: 9:09 pm MDT Jul 16, 2025 |
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| Date | 07/16 | 07/17 | ||||||||||||||||||||||
| Hour (MDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 54 | 53 | 52 | 52 | 51 | 50 | 50 | 51 | 50 | 51 | 52 | 54 | 57 | 60 | 62 | 65 | 68 | 74 | 74 | 80 | 81 | 79 | 82 | 79 |
| Dewpoint (°F) | 53 | 53 | 52 | 52 | 51 | 50 | 50 | 50 | 50 | 50 | 52 | 52 | 52 | 54 | 55 | 56 | 58 | 59 | 58 | 59 | 62 | 60 | 60 | 61 |
| Heat Index (°F) | 81 | 82 | 79 | 82 | 79 | |||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 7 | 8 | 9 | 10 | 11 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 11 | 9 |
| Wind Dir | E | E | SE | SE | SE | S | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | SE | SE | SE |
| Gust | 16 | 17 | 18 | 21 | 22 | 24 | 26 | 29 | 31 | 30 | 30 | 29 | 28 | 26 | 24 | 22 | 21 | |||||||
| Sky Cover (%) | 96 | 95 | 94 | 94 | 95 | 96 | 97 | 97 | 97 | 98 | 95 | 92 | 89 | 85 | 81 | 77 | 67 | 57 | 47 | 37 | 27 | 17 | 7 | 8 |
| Precipitation Potential (%) | 10 | 9 | 8 | 8 | 7 | 5 | 4 | 6 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 4 | 4 | 4 | 1 | 1 | 1 | 17 | 17 | 17 |
| Relative Humidity (%) | 96 | 100 | 100 | 100 | 100 | 100 | 100 | 96 | 100 | 96 | 100 | 93 | 83 | 81 | 78 | 73 | 70 | 59 | 57 | 49 | 53 | 52 | 47 | 54 |
| Rain | Ocnl | Ocnl | Ocnl | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
| Date | 07/18 | |||||||||||||||||||||||
| Hour (MDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 72 | 71 | 68 | 65 | 64 | 63 | 63 | 61 | 59 | 59 | 61 | 65 | 69 | 72 | 75 | 77 | 79 | 80 | 81 | 82 | 82 | 81 | 79 | 75 |
| Dewpoint (°F) | 63 | 63 | 63 | 62 | 62 | 61 | 61 | 60 | 59 | 59 | 60 | 62 | 63 | 63 | 63 | 63 | 62 | 62 | 61 | 61 | 61 | 62 | 63 | 64 |
| Heat Index (°F) | 75 | 77 | 79 | 81 | 82 | 83 | 83 | 82 | 79 | 75 | ||||||||||||||
| Surface Wind (mph) | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 10 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 7 | 6 |
| Wind Dir | SE | S | S | S | S | SW | SW | W | NW | NW | NW | N | N | N | N | N | N | NE | NE | NE | NE | NE | NE | E |
| Gust | 20 | 18 | 17 | 16 | 15 | 15 | 16 | 18 | 21 | 22 | 23 | 23 | 22 | 21 | 21 | 20 | 18 | 16 | ||||||
| Sky Cover (%) | 9 | 13 | 15 | 17 | 22 | 26 | 31 | 31 | 31 | 31 | 27 | 22 | 18 | 20 | 21 | 23 | 29 | 36 | 42 | 46 | 49 | 53 | 55 | 57 |
| Precipitation Potential (%) | 17 | 17 | 17 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 15 | 15 | 15 | 15 | 15 | 15 | 17 | 17 | 17 |
| Relative Humidity (%) | 73 | 76 | 84 | 90 | 93 | 93 | 93 | 97 | 100 | 100 | 97 | 90 | 81 | 73 | 66 | 62 | 56 | 54 | 51 | 49 | 49 | 53 | 58 | 69 |
| Rain | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
