| Point Forecast: 10 Miles S White Pass WA 46.48N 121.42W (Elev. 1633 m) |
Last Update: 10:12 am PDT Sep 25, 2024 |
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| Date | 09/25 | 09/26 | ||||||||||||||||||||||
| Hour (PDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 4 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 3 | 6 | 8 | 9 |
| Dewpoint (°C) | 8 | 7 | 7 | 6 | 6 | 5 | 4 | 2 | 1 | 0 | -1 | -1 | -1 | -2 | -4 | -3 | -4 | -5 | -6 | -5 | -4 | -5 | -4 | -3 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 18 | 18 | 18 | 16 | 16 | 16 | 13 | 13 | 13 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 |
| Wind Dir | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | SW | SW |
| Gust | 31 | 31 | 31 | 30 | 30 | 30 | ||||||||||||||||||
| Sky Cover (%) | 78 | 91 | 91 | 91 | 85 | 85 | 85 | 79 | 79 | 79 | 76 | 76 | 76 | 65 | 65 | 65 | 18 | 18 | 18 | 8 | 8 | 8 | 2 | 2 |
| Precipitation Potential (%) | 78 | 80 | 80 | 80 | 50 | 50 | 50 | 4 | 4 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 88 | 87 | 87 | 87 | 87 | 87 | 88 | 87 | 88 | 82 | 76 | 79 | 79 | 74 | 73 | 73 | 68 | 68 | 65 | 62 | 56 | 47 | 42 | 43 |
| Rain | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/27 | |||||||||||||||||||||||
| Hour (PDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 10 | 11 | 11 | 12 | 11 | 9 | 7 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 7 | 7 | 8 |
| Dewpoint (°C) | -3 | -4 | -3 | -3 | -3 | -3 | -3 | -4 | -5 | -6 | -5 | -3 | -1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 7 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 7 | 7 | 7 | 9 | 9 | 9 | 10 | 10 | 10 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 9 | 9 | 9 | 8 | 8 |
| Wind Dir | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 8 | 8 | 8 | 11 | 11 | 11 | 30 | 30 | 30 | 45 | 45 | 45 | 70 | 70 | 70 | 62 | 62 | 62 | 42 | 42 | 42 | 24 | 24 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 11 | 11 | 11 | 11 | 11 | 11 | 45 | 45 | 45 | 45 | 45 | 45 | 4 | 4 | 4 | 4 | 4 | 4 | 0 | 0 |
| Relative Humidity (%) | 39 | 36 | 35 | 35 | 37 | 41 | 46 | 49 | 48 | 45 | 46 | 51 | 60 | 67 | 71 | 72 | 73 | 75 | 79 | 83 | 87 | 89 | 89 | 86 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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