| Point Forecast: 8 Miles SSW Chinook Pass WA 46.75N 121.56W (Elev. 2313 ft) |
Last Update: 3:40 am PDT Jul 21, 2026 |
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| Date | 07/21 | 07/22 | ||||||||||||||||||||||
| Hour (PDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 62 | 63 | 68 | 76 | 83 | 93 | 101 | 101 | 97 | 98 | 101 | 97 | 89 | 87 | 79 | 77 | 75 | 71 | 70 | 69 | 67 | 66 | 64 | 64 |
| Dewpoint (°F) | 51 | 52 | 51 | 51 | 51 | 50 | 48 | 47 | 50 | 51 | 56 | 56 | 62 | 64 | 58 | 57 | 56 | 54 | 54 | 53 | 52 | 49 | 48 | 50 |
| Heat Index (°F) | 76 | 82 | 90 | 98 | 98 | 94 | 96 | 100 | 95 | 89 | 89 | 79 | 77 | 75 | ||||||||||
| Surface Wind (mph) | 1 | 1 | 0 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Wind Dir | ENE | ENE | E | SSW | SW | SW | SW | SW | SW | WSW | WSW | WSW | NW | N | NNE | NNE | NE | NE | ENE | NE | NE | NE | NNE | NNE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 61 | 51 | 55 | 50 | 39 | 30 | 40 | 53 | 66 | 57 | 44 | 63 | 54 | 56 | 56 | 61 | 56 | 40 | 30 | 19 | 11 | 10 | 15 | 15 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 67 | 68 | 55 | 42 | 33 | 23 | 17 | 16 | 21 | 21 | 23 | 26 | 40 | 45 | 49 | 50 | 52 | 54 | 55 | 55 | 57 | 56 | 57 | 61 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/23 | |||||||||||||||||||||||
| Hour (PDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 63 | 64 | 69 | 77 | 84 | 94 | 102 | 103 | 98 | 99 | 102 | 98 | 90 | 88 | 80 | 77 | 74 | 73 | 71 | 70 | 68 | 66 | 64 | 62 |
| Dewpoint (°F) | 52 | 53 | 51 | 52 | 52 | 51 | 51 | 50 | 54 | 53 | 57 | 56 | 62 | 63 | 59 | 57 | 56 | 55 | 54 | 53 | 52 | 51 | 52 | 53 |
| Heat Index (°F) | 77 | 82 | 91 | 99 | 100 | 96 | 97 | 101 | 97 | 90 | 89 | 81 | 77 | |||||||||||
| Surface Wind (mph) | 1 | 0 | 0 | 0 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
| Wind Dir | NNE | SSW | SSW | SSW | SW | SW | SW | WSW | WSW | WSW | W | W | W | WNW | WNW | WNW | NW | NW | NW | NNW | NNW | NNW | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 15 | 9 | 9 | 9 | 20 | 20 | 20 | 28 | 28 | 28 | 42 | 42 | 42 | 55 | 55 | 55 | 57 | 57 | 57 | 61 | 61 | 61 | 75 | 75 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 6 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 14 | 14 | 14 | 14 | 14 | 14 | 26 | 26 |
| Relative Humidity (%) | 67 | 67 | 54 | 41 | 34 | 24 | 18 | 17 | 23 | 21 | 23 | 25 | 39 | 44 | 48 | 49 | 53 | 55 | 55 | 55 | 56 | 59 | 63 | 72 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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