| Point Forecast: Snoqualmie Pass WA 47.43N 121.41W (Elev. 941 m) |
Last Update: 2:26 am PDT Mar 11, 2026 |
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| Date | 03/11 | 03/12 | ||||||||||||||||||||||
| Hour (PDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°C) | -2 | -3 | -2 | -2 | -2 | -2 | -2 | -2 | -1 | -1 | -1 | -1 | 0 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 2 | 1 |
| Dewpoint (°C) | -2 | -3 | -2 | -2 | -2 | -2 | -2 | -2 | -1 | -1 | -1 | -1 | 0 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 1 | 1 |
| Wind Chill (°C) | -4 | -5 | -2 | -2 | -2 | -2 | -2 | -2 | -1 | -1 | -4 | -4 | -3 | -3 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -3 | -4 |
| Surface Wind (mph) | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 6 | 6 | 7 | 8 | 9 | 9 | 10 | 11 | 11 | 13 | 14 | 14 | 14 | 14 |
| Wind Dir | W | WSW | WSW | WSW | WSW | WSW | SW | S | S | S | S | S | S | SW | SW | SW | SW | SW | WSW | WSW | WSW | W | W | W |
| Gust | 36 | 40 | 44 | 48 | 51 | 53 | 54 | 53 | 52 | |||||||||||||||
| Sky Cover (%) | 94 | 94 | 91 | 83 | 89 | 92 | 94 | 96 | 99 | 98 | 98 | 99 | 100 | 100 | 100 | 100 | 99 | 96 | 96 | 96 | 93 | 98 | 86 | 89 |
| Precipitation Potential (%) | 90 | 90 | 86 | 69 | 83 | 87 | 90 | 94 | 98 | 97 | 97 | 98 | 99 | 100 | 99 | 99 | 98 | 93 | 93 | 93 | 89 | 96 | 79 | 71 |
| Relative Humidity (%) | 100 | 97 | 98 | 100 | 98 | 99 | 99 | 99 | 98 | 98 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 100 | 98 | 99 | 98 | 97 | 97 | 96 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | Ocnl | Ocnl | SChc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | SChc | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | Ocnl | Ocnl | Ocnl | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Ocnl | Lkly |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 03/13 | |||||||||||||||||||||||
| Hour (PDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°C) | 1 | -1 | -1 | -1 | -1 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 |
| Dewpoint (°C) | 0 | -1 | -1 | -2 | -1 | -2 | -2 | -3 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -3 | -3 | -3 | -3 |
| Wind Chill (°C) | -5 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -5 | -5 | -5 | -4 | -4 | -4 |
| Surface Wind (mph) | 14 | 13 | 13 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 |
| Wind Dir | W | WSW | WSW | W | WSW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 49 | 47 | 43 | |||||||||||||||||||||
| Sky Cover (%) | 88 | 88 | 92 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 98 | 98 | 98 |
| Precipitation Potential (%) | 80 | 82 | 87 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 96 | 96 | 96 |
| Relative Humidity (%) | 95 | 97 | 97 | 97 | 98 | 99 | 97 | 97 | 98 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 98 | 97 | 96 | 96 | 97 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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