| Point Forecast: 17 Miles ENE Mount St Helens WA 46.27N 121.86W (Elev. 4833 ft) |
Last Update: 3:41 am PDT May 8, 2024 |
 |
|
[show menu] |
| Date | 05/08 | 05/09 | ||||||||||||||||||||||
| Hour (PDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 31 | 29 | 31 | 31 | 34 | 38 | 40 | 43 | 44 | 47 | 47 | 47 | 49 | 48 | 47 | 45 | 42 | 40 | 39 | 38 | 38 | 39 | 39 | 40 |
| Dewpoint (°F) | 28 | 25 | 27 | 26 | 26 | 29 | 28 | 31 | 31 | 34 | 33 | 33 | 36 | 36 | 36 | 36 | 34 | 34 | 32 | 31 | 31 | 30 | 29 | 28 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 17 | 17 | 17 | 16 | 14 | 14 | 13 | 13 | 13 | 11 | 11 | 14 |
| Wind Dir | N | N | NNE | NNE | NNE | NNE | N | N | N | N | N | N | NNW | N | N | N | N | N | N | NNE | NNE | NNE | NE | NNE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 39 | 33 | 29 | 21 | 10 | 4 | 2 | 1 | 1 | 0 | 1 | 1 | 2 | 8 | 11 | 8 | 5 | 5 | 5 | 1 | 1 | 0 | 0 | 0 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 87 | 85 | 85 | 80 | 73 | 69 | 63 | 62 | 60 | 61 | 59 | 59 | 60 | 63 | 66 | 71 | 74 | 78 | 76 | 77 | 76 | 70 | 66 | 63 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/10 | |||||||||||||||||||||||
| Hour (PDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 40 | 39 | 41 | 43 | 46 | 51 | 54 | 57 | 58 | 60 | 61 | 61 | 61 | 61 | 59 | 56 | 54 | 52 | 49 | 47 | 47 | 46 | 46 | 46 |
| Dewpoint (°F) | 27 | 25 | 26 | 27 | 28 | 30 | 31 | 33 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 37 | 37 | 36 | 34 | 32 | 32 | 31 | 30 | 30 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 14 | 15 | 15 | 15 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 14 | 14 | 14 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 |
| Wind Dir | NE | ENE | ENE | ENE | ENE | ENE | ENE | E | E | E | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | E | E | E | E | E |
| Gust | 21 | 21 | 21 | |||||||||||||||||||||
| Sky Cover (%) | 0 | 57 | 57 | 57 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 59 | 57 | 55 | 52 | 50 | 45 | 42 | 40 | 39 | 38 | 38 | 37 | 37 | 39 | 43 | 48 | 53 | 55 | 56 | 56 | 56 | 55 | 54 | 54 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
