| Point Forecast: 8 Miles N White Pass WA 46.75N 121.37W (Elev. 1540 m) |
Last Update: 9:15 am PST Dec 9, 2025 |
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| Date | 12/09 | 12/10 | ||||||||||||||||||||||
| Hour (PST) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°C) | -2 | -2 | -1 | 0 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 |
| Dewpoint (°C) | -2 | -3 | -2 | -2 | -1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 |
| Wind Chill (°C) | -7 | -4 | -3 | -3 | -2 | -1 | -2 | -2 | -2 | -1 | -2 | -2 | -2 | -3 | -2 | -3 | -2 | -2 | -2 | -1 | -1 | -1 | -1 | -1 |
| Surface Wind (mph) | 13 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 8 | 8 | 8 | 13 | 13 | 13 | 16 | 16 | 16 | 18 | 18 | 18 | 17 | 17 |
| Wind Dir | W | W | W | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W |
| Gust | 36 | 36 | 36 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | |||||||||||||
| Sky Cover (%) | 84 | 84 | 84 | 84 | 96 | 96 | 96 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 98 | 98 | 98 | 98 | 98 |
| Precipitation Potential (%) | 21 | 36 | 36 | 36 | 96 | 96 | 96 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 97 | 97 | 97 | 98 | 98 | 98 | 98 | 98 |
| Relative Humidity (%) | 97 | 93 | 91 | 87 | 89 | 95 | 100 | 100 | 100 | 99 | 100 | 99 | 99 | 100 | 99 | 99 | 100 | 99 | 100 | 100 | 100 | 100 | 99 | 100 |
| Rain | -- | -- | -- | -- | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | SChc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 12/11 | |||||||||||||||||||||||
| Hour (PST) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°C) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 |
| Dewpoint (°C) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 |
| Wind Chill (°C) | -1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | -1 | -1 | -2 | -1 | -2 |
| Surface Wind (mph) | 17 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 39 | 34 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 32 | 37 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 36 | 36 | 36 | 33 | 33 |
| Sky Cover (%) | 98 | 96 | 96 | 96 | 96 | 96 | 96 | 78 | 78 | 78 | 82 | 82 | 82 | 82 | 82 | 82 | 80 | 80 | 80 | 80 | 80 | 80 | 86 | 86 |
| Precipitation Potential (%) | 98 | 96 | 96 | 96 | 96 | 96 | 96 | 94 | 94 | 94 | 94 | 94 | 94 | 92 | 92 | 92 | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 91 |
| Relative Humidity (%) | 100 | 99 | 99 | 100 | 100 | 100 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 99 | 97 | 96 | 97 | 99 | 100 | 100 | 100 | 100 | 100 |
| Rain | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | SChc | SChc |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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