| Point Forecast: 9 Miles SW North Spearfish SD 44.41N 104.02W (Elev. 1707 m) |
Last Update: 9:49 pm MDT Jun 30, 2025 |
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| Date | 06/30 | 07/01 | ||||||||||||||||||||||
| Hour (MDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°C) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 18 | 21 | 22 | 23 | 24 | 26 | 27 | 27 | 27 | 27 | 27 | 25 | 22 | 19 | 18 |
| Dewpoint (°C) | 9 | 9 | 7 | 6 | 6 | 4 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 9 | 10 | 9 | 9 | 10 | 9 | 9 | 10 | 11 | 11 | 9 |
| Heat Index (°C) | 24 | 26 | 27 | 27 | 27 | 27 | 27 | 25 | ||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 3 | 3 | 3 | 5 | 5 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | W | W | W | NW | E | SE | E | SE | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 7 | 8 | 7 | 4 | 5 | 5 | 5 | 10 | 6 | 6 | 7 | 7 | 11 | 19 | 22 | 23 | 14 | 16 | 15 | 23 | 11 | 8 | 15 | 28 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 16 | 16 | 18 | 18 | 18 | 10 | 10 | 10 | 10 | 10 |
| Relative Humidity (%) | 79 | 75 | 72 | 69 | 65 | 61 | 61 | 64 | 64 | 56 | 49 | 46 | 41 | 39 | 37 | 33 | 33 | 34 | 32 | 33 | 39 | 48 | 56 | 56 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
| Date | 07/02 | |||||||||||||||||||||||
| Hour (MDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°C) | 18 | 18 | 17 | 16 | 16 | 16 | 17 | 18 | 19 | 22 | 24 | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 24 | 23 | 22 | 21 |
| Dewpoint (°C) | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 |
| Heat Index (°C) | 24 | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 24 | |||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 3 | 3 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 |
| Wind Dir | S | S | S | S | S | S | S | SE | SE | E | E | E | E | E | E | E | SE | SE | SE | SE | SE | SE | SE | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 18 | 15 | 16 | 15 | 16 | 13 | 13 | 15 | 12 | 9 | 6 | 10 | 15 | 19 | 21 | 23 | 25 | 29 | 33 | 37 | 39 | 42 | 44 | 45 |
| Precipitation Potential (%) | 10 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 8 | 8 | 8 | 8 | 17 | 17 | 17 | 17 | 17 |
| Relative Humidity (%) | 56 | 56 | 58 | 60 | 60 | 60 | 56 | 52 | 48 | 44 | 40 | 39 | 39 | 38 | 36 | 35 | 35 | 36 | 39 | 42 | 45 | 48 | 49 | 51 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc |
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