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| Point Forecast: 4 Miles N Chinook Pass WA 46.93N 121.49W (Elev. 5233 ft) |
Last Update: 4:49 am PST Dec 8, 2021 |
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| Date | 12/08 | 12/09 | ||||||||||||||||||||||
| Hour (PST) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 27 | 27 | 25 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 20 |
| Dewpoint (°F) | 25 | 24 | 22 | 19 | 18 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Wind Chill (°F) | 15 | 15 | 13 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 12 | 11 | 11 | 9 | 9 | 10 | 12 | 12 | 13 | 9 | 7 |
| Surface Wind (mph) | 18 | 20 | 20 | 20 | 22 | 22 | 22 | 21 | 21 | 21 | 17 | 17 | 17 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WNW | WNW | WNW | W | W |
| Gust | 24 | 25 | 25 | 25 | 29 | 29 | 29 | 26 | 26 | 26 | 23 | 23 | 23 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Sky Cover (%) | 84 | 85 | 76 | 56 | 59 | 71 | 69 | 75 | 71 | 61 | 63 | 60 | 51 | 44 | 56 | 53 | 51 | 60 | 67 | 60 | 72 | 67 | 81 | 82 |
| Precipitation Potential (%) | 76 | 77 | 63 | 29 | 21 | 20 | 19 | 20 | 16 | 11 | 15 | 20 | 22 | 21 | 19 | 15 | 23 | 40 | 42 | 40 | 42 | 51 | 67 | 67 |
| Relative Humidity (%) | 92 | 89 | 88 | 86 | 84 | 88 | 83 | 85 | 83 | 84 | 88 | 88 | 86 | 83 | 88 | 89 | 89 | 92 | 89 | 87 | 88 | 85 | 83 | 89 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | Ocnl | Ocnl | Lkly | Chc | SChc | SChc | SChc | SChc | SChc | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 12/10 | |||||||||||||||||||||||
| Hour (PST) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 21 | 21 | 21 | 21 | 22 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Dewpoint (°F) | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 19 | 18 |
| Wind Chill (°F) | 9 | 9 | 9 | 10 | 10 | 11 | 12 | 11 | 10 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 |
| Surface Wind (mph) | 15 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 |
| 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 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | |||||||||||||||
| Sky Cover (%) | 84 | 81 | 79 | 84 | 88 | 88 | 88 | 88 | 88 | 88 | 78 | 78 | 78 | 78 | 78 | 78 | 64 | 64 | 64 | 70 | 70 | 70 | 79 | 79 |
| Precipitation Potential (%) | 67 | 67 | 67 | 67 | 81 | 81 | 81 | 81 | 81 | 81 | 62 | 62 | 62 | 62 | 62 | 62 | 28 | 28 | 28 | 28 | 28 | 28 | 30 | 30 |
| Relative Humidity (%) | 88 | 87 | 88 | 87 | 86 | 85 | 85 | 86 | 88 | 90 | 92 | 92 | 91 | 90 | 89 | 89 | 88 | 87 | 86 | 86 | 86 | 86 | 87 | 86 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | Lkly | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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