| Point Forecast: Mount Rushmore SD 43.87N 103.46W (Elev. 5000 ft) |
Last Update: 3:30 pm MDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| 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) | 82 | 81 | 75 | 73 | 70 | 69 | 68 | 67 | 67 | 67 | 67 | 66 | 67 | 65 | 70 | 75 | 78 | 85 | 88 | 90 | 91 | 91 | 92 | 89 |
| Dewpoint (°F) | 46 | 46 | 46 | 47 | 46 | 45 | 45 | 44 | 43 | 42 | 43 | 43 | 43 | 45 | 47 | 51 | 52 | 50 | 50 | 49 | 48 | 48 | 47 | 48 |
| Heat Index (°F) | 80 | 80 | 75 | 75 | 78 | 83 | 85 | 87 | 88 | 88 | 89 | 86 | ||||||||||||
| Surface Wind (mph) | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 |
| Wind Dir | NE | E | E | E | SE | SE | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 13 | 4 | 6 | 4 | 3 | 3 | 8 | 15 | 19 | 17 | 22 | 19 | 12 | 25 | 12 | 3 | 3 | 4 | 14 | 7 | 17 | 16 | 39 | 58 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 30 | 30 | 30 | 30 | 30 |
| Relative Humidity (%) | 28 | 29 | 36 | 40 | 42 | 42 | 44 | 43 | 42 | 40 | 42 | 43 | 42 | 48 | 44 | 43 | 40 | 30 | 27 | 25 | 23 | 23 | 21 | 24 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc |
| Date | 07/15 | |||||||||||||||||||||||
| 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) | 87 | 83 | 75 | 73 | 70 | 70 | 69 | 68 | 68 | 68 | 68 | 67 | 65 | 65 | 67 | 69 | 71 | 71 | 70 | 69 | 68 | 68 | 67 | 66 |
| Dewpoint (°F) | 50 | 51 | 53 | 53 | 53 | 52 | 52 | 53 | 52 | 51 | 50 | 50 | 50 | 51 | 53 | 55 | 56 | 56 | 56 | 56 | 56 | 57 | 57 | 57 |
| Heat Index (°F) | 84 | 82 | 75 | |||||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | SW | W | E | SE | SW | SW | SW | SW | SW | W | W | W | NW | NW | NW | N | N | N | N | N | N | N | N | N |
| Gust | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | ||||||||||||||||
| Sky Cover (%) | 63 | 65 | 73 | 69 | 57 | 61 | 59 | 56 | 54 | 51 | 49 | 45 | 41 | 37 | 34 | 32 | 29 | 39 | 49 | 59 | 65 | 72 | 78 | 76 |
| Precipitation Potential (%) | 30 | 47 | 47 | 47 | 47 | 47 | 47 | 16 | 16 | 16 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 14 | 60 | 60 | 60 | 60 | 60 |
| Relative Humidity (%) | 28 | 33 | 46 | 49 | 55 | 53 | 55 | 59 | 57 | 55 | 53 | 54 | 58 | 60 | 61 | 61 | 59 | 59 | 61 | 63 | 65 | 68 | 70 | 73 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | Lkly | Lkly | Lkly | Lkly | Lkly |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Lkly | Lkly |
