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| Point Forecast: Mount Rushmore SD 43.87N 103.46W (Elev. 5000 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) | 73 | 71 | 70 | 68 | 66 | 67 | 67 | 67 | 67 | 71 | 77 | 83 | 86 | 87 | 87 | 89 | 89 | 89 | 88 | 88 | 86 | 82 | 78 | 74 |
| Dewpoint (°F) | 47 | 47 | 48 | 49 | 50 | 51 | 50 | 49 | 48 | 49 | 51 | 49 | 47 | 45 | 44 | 45 | 45 | 45 | 44 | 43 | 44 | 44 | 42 | 42 |
| Heat Index (°F) | 77 | 81 | 83 | 84 | 84 | 86 | 86 | 86 | 85 | 84 | 83 | 80 | 78 | |||||||||||
| Surface Wind (mph) | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 6 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 6 | 5 | 3 |
| Wind Dir | S | S | SW | SW | SW | W | W | W | W | W | NW | N | N | NE | NE | NE | NE | E | E | E | E | E | E | E |
| Gust | 16 | 16 | 17 | 16 | 15 | 17 | 18 | 21 | 22 | 20 | 18 | |||||||||||||
| Sky Cover (%) | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 17 | 25 | 34 | 34 | 34 | 34 | 31 | 29 | 27 | 25 | 22 | 20 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 5 | 5 | 5 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 40 | 42 | 46 | 51 | 56 | 57 | 55 | 52 | 50 | 46 | 40 | 31 | 26 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 23 | 26 | 28 | 32 |
| 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) | 72 | 70 | 69 | 68 | 66 | 66 | 66 | 66 | 67 | 72 | 76 | 80 | 83 | 85 | 86 | 87 | 86 | 86 | 86 | 85 | 84 | 81 | 77 | 74 |
| Dewpoint (°F) | 41 | 42 | 44 | 46 | 48 | 49 | 49 | 49 | 49 | 51 | 53 | 54 | 54 | 54 | 53 | 52 | 52 | 51 | 51 | 50 | 50 | 50 | 49 | 49 |
| Heat Index (°F) | 76 | 80 | 82 | 83 | 84 | 85 | 84 | 84 | 84 | 83 | 82 | 80 | 77 | |||||||||||
| Surface Wind (mph) | 3 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 6 |
| Wind Dir | E | S | S | S | SW | SW | SW | SW | SW | SW | S | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | E | E |
| Gust | 15 | 17 | 18 | 20 | 20 | 20 | 20 | 20 | 20 | 18 | 17 | |||||||||||||
| Sky Cover (%) | 17 | 15 | 12 | 12 | 13 | 13 | 11 | 10 | 8 | 6 | 4 | 2 | 6 | 11 | 15 | 21 | 27 | 33 | 28 | 23 | 18 | 17 | 16 | 15 |
| Precipitation Potential (%) | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 33 | 36 | 40 | 46 | 51 | 54 | 55 | 54 | 52 | 48 | 45 | 41 | 37 | 35 | 32 | 30 | 31 | 30 | 30 | 30 | 31 | 34 | 37 | 41 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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