| Point Forecast: 8 Miles SSE Willamette Pass OR 43.45N 122.01W (Elev. 5000 ft) |
Last Update: 7:04 pm PDT May 16, 2025 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| Hour (PDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 52 | 49 | 45 | 43 | 42 | 43 | 43 | 43 | 41 | 39 | 39 | 39 | 38 | 39 | 39 | 41 | 42 | 42 | 43 | 43 | 43 | 43 | 42 | 41 |
| Dewpoint (°F) | 42 | 41 | 40 | 39 | 40 | 40 | 40 | 41 | 39 | 38 | 38 | 37 | 37 | 37 | 36 | 37 | 37 | 38 | 38 | 38 | 38 | 39 | 38 | 38 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 6 | 6 | 6 | 3 | 3 | 3 | 8 | 8 | 8 | 13 | 13 | 13 | 13 | 13 | 13 | 10 | 10 | 10 | 13 | 13 | 13 | 10 | 10 |
| Wind Dir | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | WNW | WNW | WNW | W | W | W | W | W |
| Gust | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | |||||||||||||||
| Sky Cover (%) | 74 | 82 | 81 | 86 | 82 | 84 | 82 | 85 | 86 | 85 | 94 | 94 | 94 | 78 | 75 | 78 | 71 | 69 | 70 | 84 | 84 | 84 | 91 | 91 |
| Precipitation Potential (%) | 6 | 9 | 9 | 9 | 34 | 34 | 34 | 74 | 74 | 74 | 90 | 90 | 90 | 48 | 48 | 48 | 53 | 53 | 53 | 76 | 76 | 76 | 81 | 81 |
| Relative Humidity (%) | 69 | 74 | 81 | 85 | 90 | 91 | 91 | 93 | 94 | 94 | 94 | 94 | 94 | 93 | 89 | 86 | 83 | 83 | 83 | 83 | 83 | 84 | 87 | 90 |
| Rain | -- | -- | -- | -- | Chc | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc |
| Date | 05/18 | |||||||||||||||||||||||
| Hour (PDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 39 | 36 | 36 | 34 | 33 | 33 | 32 | 32 | 31 | 30 | 30 | 30 | 30 | 31 | 32 | 34 | 35 | 37 | 39 | 40 | 41 | 42 | 42 | 41 |
| Dewpoint (°F) | 36 | 33 | 33 | 31 | 31 | 31 | 30 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 29 | 30 | 32 | 33 | 33 | 33 | 33 | 33 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Wind Dir | W | WNW | WNW | WNW | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 91 | 91 | 91 | 91 | 78 | 78 | 78 | 79 | 79 | 79 | 75 | 75 | 75 | 63 | 63 | 63 | 50 | 50 | 50 | 45 | 45 | 45 | 41 | 41 |
| Precipitation Potential (%) | 81 | 71 | 71 | 71 | 46 | 46 | 46 | 46 | 46 | 46 | 25 | 25 | 25 | 25 | 25 | 25 | 10 | 10 | 10 | 10 | 10 | 10 | 5 | 5 |
| Relative Humidity (%) | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 89 | 90 | 91 | 91 | 90 | 88 | 85 | 83 | 80 | 78 | 76 | 75 | 74 | 72 | 71 | 71 | 75 |
| Rain | Ocnl | Lkly | Lkly | Lkly | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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