| Point Forecast: 4 Miles NNE Stevens Pass WA 47.8N 121.04W (Elev. 4921 ft) |
Last Update: 5:48 pm PDT May 17, 2024 |
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| Date | 05/18 | |||||||||||||||||||||||
| Hour (PDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 38 | 37 | 37 | 36 | 36 | 36 | 36 | 35 | 36 | 37 | 39 | 40 | 42 | 43 | 43 | 43 | 44 | 42 | 41 | 39 | 37 | 36 | 35 | 34 |
| Dewpoint (°F) | 33 | 32 | 31 | 30 | 31 | 31 | 31 | 30 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 30 | 29 | 30 | 30 | 29 | 29 | 29 | 28 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 14 |
| 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 | 18 | 20 | 21 | 21 | 22 | 23 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | |||||||||||
| Sky Cover (%) | 78 | 75 | 78 | 80 | 73 | 74 | 73 | 69 | 74 | 66 | 69 | 84 | 84 | 84 | 84 | 84 | 84 | 71 | 71 | 71 | 70 | 70 | 70 | 71 |
| Precipitation Potential (%) | 18 | 16 | 14 | 14 | 15 | 26 | 26 | 26 | 37 | 37 | 37 | 75 | 75 | 75 | 75 | 75 | 75 | 55 | 55 | 55 | 55 | 55 | 55 | 12 |
| Relative Humidity (%) | 81 | 81 | 80 | 80 | 81 | 81 | 81 | 81 | 75 | 72 | 68 | 63 | 59 | 58 | 58 | 58 | 58 | 60 | 65 | 71 | 74 | 76 | 79 | 79 |
| Rain | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Ocnl | Ocnl | Ocnl | Ocnl | SChc | SChc | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/19 | |||||||||||||||||||||||
| Hour (PDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 33 | 34 | 35 | 35 | 35 | 35 | 35 | 36 | 37 | 39 | 40 | 42 | 43 | 45 | 45 | 45 | 44 | 43 | 43 | 43 | 42 | 40 | 39 | 37 |
| Dewpoint (°F) | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 31 | 32 | 31 | 31 | 31 | 32 | 33 | 33 | 33 | 32 | 31 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 11 | 11 | 11 | 11 | 11 | 11 | 14 | 14 | 14 | 14 | 14 | 14 | 10 |
| 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 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 23 | 23 | 23 | 22 | 22 | 22 | |
| Sky Cover (%) | 71 | 71 | 77 | 77 | 77 | 73 | 73 | 73 | 68 | 68 | 68 | 60 | 60 | 60 | 60 | 60 | 60 | 62 | 62 | 62 | 49 | 49 | 49 | 47 |
| Precipitation Potential (%) | 12 | 12 | 12 | 12 | 12 | 36 | 36 | 36 | 36 | 36 | 36 | 40 | 40 | 40 | 40 | 40 | 40 | 8 | 8 | 8 | 8 | 8 | 8 | 1 |
| Relative Humidity (%) | 79 | 79 | 78 | 78 | 78 | 78 | 77 | 75 | 73 | 69 | 65 | 62 | 60 | 59 | 59 | 60 | 61 | 63 | 65 | 68 | 71 | 74 | 78 | 80 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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