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| Point Forecast: Rapid City SD 44.08N 103.24W (Elev. 3291 ft) |
Last Update: 7:27 pm MDT Aug 8, 2022 |
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| Date | 08/08 | 08/09 | ||||||||||||||||||||||
| Hour (MDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 76 | 74 | 72 | 70 | 68 | 68 | 67 | 67 | 67 | 71 | 78 | 84 | 88 | 90 | 92 | 95 | 96 | 96 | 96 | 96 | 95 | 91 | 86 | 81 |
| Dewpoint (°F) | 57 | 56 | 56 | 55 | 55 | 55 | 55 | 54 | 54 | 55 | 56 | 55 | 53 | 52 | 50 | 49 | 47 | 46 | 46 | 47 | 47 | 49 | 50 | 50 |
| Heat Index (°F) | 76 | 78 | 83 | 86 | 87 | 89 | 92 | 92 | 92 | 92 | 92 | 91 | 87 | 83 | 80 | |||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 6 | 7 | 6 | 7 | 7 | 6 | 5 | 5 | 7 | 8 | 9 | 9 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 5 |
| Wind Dir | S | S | SW | SW | SW | SW | W | W | W | W | NW | N | N | NE | NE | NE | NE | NE | NE | NE | E | E | E | NE |
| Gust | 15 | 17 | 18 | 20 | 20 | 21 | 18 | |||||||||||||||||
| Sky Cover (%) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 7 | 5 | 11 | 17 | 23 | 23 | 23 | 23 | 22 | 21 | 21 | 19 | 17 | 16 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 3 | 3 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 51 | 55 | 57 | 59 | 63 | 64 | 65 | 64 | 64 | 57 | 47 | 37 | 30 | 27 | 24 | 21 | 19 | 18 | 18 | 19 | 20 | 24 | 29 | 34 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/10 | |||||||||||||||||||||||
| Hour (MDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 78 | 75 | 73 | 71 | 70 | 68 | 67 | 67 | 67 | 72 | 76 | 80 | 84 | 87 | 89 | 91 | 92 | 93 | 93 | 93 | 91 | 88 | 85 | 81 |
| Dewpoint (°F) | 51 | 51 | 51 | 52 | 53 | 54 | 54 | 54 | 54 | 56 | 58 | 59 | 60 | 60 | 59 | 58 | 57 | 56 | 56 | 56 | 56 | 56 | 57 | 57 |
| Heat Index (°F) | 78 | 75 | 76 | 81 | 84 | 87 | 88 | 90 | 91 | 91 | 91 | 91 | 89 | 86 | 84 | 81 | ||||||||
| Surface Wind (mph) | 5 | 5 | 6 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 3 | 5 | 7 | 8 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 8 |
| Wind Dir | E | S | SW | SW | SW | SW | SW | SW | SW | SW | S | SE | SE | SE | SE | SE | SE | SE | SE | SE | E | E | SE | SE |
| Gust | 16 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 18 | |||||||||||||
| Sky Cover (%) | 14 | 11 | 9 | 10 | 10 | 11 | 10 | 9 | 7 | 6 | 6 | 5 | 6 | 8 | 9 | 13 | 17 | 21 | 20 | 18 | 17 | 15 | 13 | 11 |
| Precipitation Potential (%) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 39 | 43 | 46 | 51 | 56 | 60 | 63 | 63 | 63 | 57 | 54 | 49 | 44 | 40 | 37 | 33 | 31 | 29 | 29 | 29 | 31 | 34 | 39 | 44 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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