| Point Forecast: 5 Miles NNE Chinook Pass WA 46.93N 121.46W (Elev. 6322 ft) |
Last Update: 8:01 pm PDT Mar 14, 2026 |
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| Date | 03/15 | 03/16 | ||||||||||||||||||||||
| Hour (PDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 16 | 15 | 16 | 16 | 15 | 18 | 18 | 19 | 23 | 26 | 29 | 31 | 32 | 33 | 32 | 32 | 32 | 31 | 32 | 32 | 32 | 31 | 31 | 31 |
| Dewpoint (°F) | 11 | 9 | 8 | 7 | 5 | 8 | 8 | 8 | 11 | 13 | 16 | 17 | 20 | 23 | 23 | 25 | 27 | 28 | 29 | 29 | 29 | 28 | 28 | 27 |
| Wind Chill (°F) | 6 | 5 | 6 | 6 | 4 | 9 | 8 | 8 | 13 | 18 | 21 | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 23 | 22 | 22 |
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 8 | 7 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 10 |
| Wind Dir | WNW | WNW | WNW | WNW | W | SW | SSE | S | S | S | S | S | S | S | S | SSW | SSW | S | S | SSW | SSW | SSW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 72 | 78 | 75 | 77 | 79 | 73 | 75 | 68 | 58 | 59 | 66 | 73 | 78 | 79 | 81 | 82 | 96 | 96 | 96 | 96 | 96 | 96 | 85 | 85 |
| Precipitation Potential (%) | 2 | 3 | 3 | 5 | 5 | 6 | 7 | 8 | 8 | 12 | 10 | 16 | 22 | 31 | 43 | 63 | 93 | 93 | 93 | 93 | 93 | 93 | 58 | 58 |
| Relative Humidity (%) | 79 | 75 | 71 | 67 | 64 | 65 | 64 | 62 | 60 | 58 | 58 | 56 | 61 | 65 | 69 | 74 | 82 | 87 | 88 | 88 | 87 | 87 | 87 | 86 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 03/17 | |||||||||||||||||||||||
| Hour (PDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 32 | 33 | 34 | 34 | 35 | 35 | 35 | 35 | 36 | 37 | 38 | 39 | 41 | 42 | 43 | 43 | 42 | 41 | 39 | 38 | 37 | 36 | 35 | 35 |
| Dewpoint (°F) | 28 | 29 | 30 | 30 | 32 | 32 | 32 | 32 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 27 |
| Wind Chill (°F) | 24 | 24 | 26 | 26 | 26 | 26 | 26 | 26 | 28 | 29 | 30 | 31 | 34 | 34 | 36 | 36 | 35 | 33 | 31 | 29 | 28 | 27 | 25 | 25 |
| Surface Wind (mph) | 10 | 11 | 11 | 11 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 20 | 20 | 20 | 22 | 22 | 22 | 22 | 22 | 22 | 24 | 24 | 24 | 28 | 28 | 28 | 25 | 25 | 25 | 23 | 23 | 23 | 24 | 24 | |
| Sky Cover (%) | 85 | 75 | 75 | 75 | 87 | 87 | 87 | 87 | 87 | 87 | 84 | 84 | 84 | 84 | 84 | 84 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 |
| Precipitation Potential (%) | 58 | 58 | 58 | 58 | 80 | 80 | 80 | 80 | 80 | 80 | 76 | 76 | 76 | 76 | 76 | 76 | 56 | 56 | 56 | 56 | 56 | 56 | 57 | 57 |
| Relative Humidity (%) | 85 | 84 | 85 | 86 | 87 | 88 | 88 | 88 | 88 | 88 | 87 | 83 | 79 | 75 | 72 | 71 | 70 | 71 | 73 | 74 | 74 | 73 | 72 | 71 |
| Rain | -- | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | Lkly | Lkly | Lkly | Lkly | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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