| Point Forecast: Mount Rushmore SD 43.87N 103.46W (Elev. 1524 m) |
Last Update: 9:09 pm MDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| 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 (°C) | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 12 | 13 | 13 | 12 | 12 | 12 | 11 | 12 | 12 | 11 | 12 | 10 | 9 | 9 |
| Dewpoint (°C) | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 |
| Wind Dir | NE | NE | NE | NE | NE | E | NE | NE | E | E | NE | NE | NE | E | NE | NE | NE | NE | NE | NE | NE | NE | N | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 97 | 97 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 97 | 96 | 95 | 94 | 94 |
| Precipitation Potential (%) | 61 | 65 | 61 | 76 | 81 | 76 | 71 | 68 | 65 | 70 | 59 | 64 | 68 | 79 | 79 | 69 | 71 | 62 | 60 | 52 | 36 | 28 | 28 | 28 |
| Relative Humidity (%) | 96 | 96 | 93 | 91 | 90 | 90 | 93 | 96 | 93 | 100 | 90 | 90 | 90 | 90 | 96 | 93 | 96 | 93 | 93 | 93 | 89 | 96 | 96 | 100 |
| Rain | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc |
| Date | 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 (°C) | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 13 | 13 | 14 | 15 | 17 | 18 | 20 | 21 | 22 | 22 | 21 | 19 |
| Dewpoint (°C) | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 |
| Wind Dir | E | E | E | SE | SE | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | SE | SE | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 96 | 98 | 94 | 90 | 90 | 91 | 91 | 91 | 92 | 92 | 87 | 81 | 76 | 73 | 71 | 68 | 61 | 54 | 47 | 36 | 25 | 14 | 14 | 13 |
| Precipitation Potential (%) | 28 | 28 | 28 | 23 | 23 | 23 | 23 | 23 | 23 | 6 | 6 | 6 | 6 | 6 | 6 | 13 | 13 | 13 | 13 | 13 | 13 | 18 | 18 | 18 |
| Relative Humidity (%) | 100 | 96 | 96 | 93 | 93 | 86 | 86 | 89 | 93 | 93 | 89 | 89 | 83 | 83 | 80 | 78 | 72 | 70 | 65 | 61 | 59 | 59 | 63 | 70 |
| Rain | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
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