| Point Forecast: Mount Rushmore SD 43.87N 103.46W (Elev. 1524 m) |
Last Update: 3:30 pm MDT Jul 16, 2025 |
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| Date | 07/16 | 07/17 | ||||||||||||||||||||||
| 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 (°C) | 9 | 9 | 8 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 12 | 11 | 11 | 12 | 12 | 13 | 14 | 16 | 16 | 17 | 18 | 22 | 22 | 23 |
| Dewpoint (°C) | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 14 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 5 |
| Wind Dir | NE | NE | E | E | E | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 98 | 98 | 98 | 98 | 97 | 96 | 95 | 92 | 89 | 86 | 71 | 56 | 41 | 34 |
| Precipitation Potential (%) | 24 | 17 | 15 | 12 | 10 | 9 | 9 | 9 | 7 | 6 | 5 | 6 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 4 | 4 | 4 | 1 | 1 |
| Relative Humidity (%) | 100 | 100 | 100 | 100 | 100 | 96 | 93 | 86 | 80 | 80 | 77 | 80 | 80 | 77 | 80 | 83 | 77 | 72 | 72 | 72 | 67 | 59 | 59 | 55 |
| Rain | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/18 | |||||||||||||||||||||||
| 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 (°C) | 24 | 23 | 23 | 22 | 19 | 21 | 20 | 18 | 18 | 19 | 19 | 18 | 17 | 17 | 18 | 20 | 22 | 23 | 24 | 24 | 25 | 24 | 24 | 24 |
| Dewpoint (°C) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Heat Index (°C) | 24 | 24 | 24 | 25 | 24 | 24 | 24 | |||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 3 | 3 | 3 |
| Wind Dir | S | S | SE | SE | S | S | S | SW | SW | SW | SW | W | NW | NW | N | N | N | N | NE | NE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 26 | 19 | 11 | 7 | 8 | 9 | 17 | 25 | 27 | 29 | 31 | 30 | 29 | 28 | 24 | 21 | 17 | 20 | 23 | 26 | 34 | 41 | 49 | 49 |
| Precipitation Potential (%) | 1 | 17 | 17 | 17 | 17 | 17 | 17 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 19 | 19 | 19 | 19 | 19 |
| Relative Humidity (%) | 54 | 57 | 57 | 61 | 75 | 68 | 70 | 75 | 73 | 65 | 63 | 65 | 67 | 70 | 70 | 65 | 64 | 59 | 56 | 54 | 52 | 54 | 54 | 54 |
| Rain | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc |
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