| Point Forecast: Chinook Pass WA 46.88N 121.5W (Elev. 4823 ft) |
Last Update: 5:36 pm PDT Sep 25, 2024 |
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| Date | 09/25 | 09/26 | ||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 43 | 42 | 40 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 35 | 35 | 35 | 35 | 34 | 33 | 35 | 37 | 40 | 43 | 46 | 48 | 49 | 50 |
| Dewpoint (°F) | 42 | 42 | 40 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 31 | 30 | 30 | 29 | 30 | 30 | 31 | 31 | 30 | 29 | 29 | 30 | 30 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 11 | 11 | 16 | 16 | 16 | 15 | 15 | 15 | 11 | 11 | 11 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 |
| Wind Dir | W | W | W | W | W | W | W | W | W | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S | SW | SW | SW |
| Gust | 26 | 26 | 26 | 30 | 30 | 30 | 36 | 36 | 36 | 23 | 23 | 23 | ||||||||||||
| Sky Cover (%) | 82 | 82 | 82 | 48 | 48 | 48 | 52 | 52 | 52 | 35 | 35 | 35 | 47 | 47 | 47 | 25 | 25 | 25 | 11 | 11 | 11 | 14 | 14 | 14 |
| Precipitation Potential (%) | 82 | 82 | 82 | 35 | 35 | 35 | 10 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 5 | 5 | 5 | 5 | 5 | 5 |
| Relative Humidity (%) | 98 | 100 | 100 | 98 | 95 | 92 | 91 | 88 | 87 | 85 | 85 | 86 | 82 | 83 | 82 | 87 | 82 | 78 | 71 | 61 | 52 | 47 | 47 | 46 |
| Rain | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/27 | |||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 48 | 48 | 45 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 43 | 44 | 45 | 47 | 48 | 49 | 49 | 48 |
| Dewpoint (°F) | 30 | 31 | 31 | 29 | 31 | 31 | 32 | 34 | 36 | 37 | 38 | 37 | 37 | 38 | 38 | 39 | 40 | 42 | 43 | 44 | 44 | 43 | 43 | 42 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 8 | 8 | 8 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 10 | 10 | 10 | 7 | 7 | 7 | 6 | 6 | 6 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | NW | NW | NW |
| Gust | 28 | 28 | 28 | 28 | 28 | 28 | 25 | 25 | 25 | 20 | 20 | 20 | ||||||||||||
| Sky Cover (%) | 25 | 25 | 25 | 33 | 33 | 33 | 61 | 61 | 61 | 63 | 63 | 63 | 54 | 54 | 54 | 41 | 41 | 41 | 38 | 38 | 38 | 39 | 39 | 39 |
| Precipitation Potential (%) | 12 | 12 | 12 | 12 | 12 | 12 | 61 | 61 | 61 | 61 | 61 | 61 | 10 | 10 | 10 | 10 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 49 | 52 | 57 | 56 | 59 | 60 | 63 | 68 | 73 | 77 | 79 | 80 | 80 | 81 | 82 | 84 | 88 | 91 | 93 | 90 | 85 | 81 | 80 | 80 |
| Rain | -- | -- | -- | -- | -- | -- | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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