| Point Forecast: 3 Miles ENE Mount St Helens WA 46.21N 122.12W (Elev. 3865 ft) |
Last Update: 4:41 am PDT May 30, 2024 |
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| Date | 05/30 | 05/31 | ||||||||||||||||||||||
| 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) | 34 | 34 | 33 | 36 | 38 | 39 | 43 | 45 | 47 | 48 | 49 | 49 | 49 | 50 | 49 | 48 | 46 | 43 | 41 | 40 | 40 | 39 | 39 | 38 |
| Dewpoint (°F) | 29 | 28 | 26 | 27 | 28 | 28 | 30 | 31 | 31 | 32 | 32 | 35 | 34 | 36 | 35 | 35 | 35 | 33 | 32 | 31 | 32 | 30 | 30 | 29 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 11 | 10 | 9 | 7 | 7 | 6 | 6 | 6 | 5 | 5 |
| Wind Dir | NW | NW | NW | NW | NNW | NNW | NNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 17 | 16 | 17 | 12 | 13 | 8 | 5 | 10 | 10 | 15 | 20 | 20 | 20 | 10 | 15 | 10 | 10 | 14 | 8 | 7 | 8 | 6 | 5 | 3 |
| Precipitation Potential (%) | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 81 | 78 | 76 | 70 | 66 | 65 | 61 | 57 | 54 | 53 | 52 | 58 | 55 | 58 | 58 | 60 | 65 | 67 | 71 | 71 | 72 | 71 | 70 | 69 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/01 | |||||||||||||||||||||||
| 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) | 38 | 38 | 38 | 41 | 43 | 45 | 49 | 53 | 55 | 56 | 58 | 58 | 58 | 58 | 57 | 56 | 55 | 53 | 50 | 48 | 47 | 47 | 46 | 46 |
| Dewpoint (°F) | 28 | 27 | 27 | 28 | 29 | 31 | 32 | 33 | 34 | 35 | 36 | 38 | 39 | 41 | 41 | 41 | 41 | 39 | 38 | 37 | 37 | 36 | 36 | 35 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 3 | 3 | 2 | 1 | 1 | 3 | 5 | 6 | 7 | 7 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 3 | 3 | 3 | 2 | 2 |
| Wind Dir | N | N | NNE | NNE | NNE | N | WNW | W | W | W | W | W | WNW | WNW | WNW | WNW | NW | NW | NW | NNW | NNW | NNW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 5 | 15 | 15 | 15 | 13 | 13 | 13 | 19 | 19 | 19 | 30 | 30 | 30 | 35 | 35 | 35 | 35 | 35 | 35 | 50 | 50 | 50 | 64 | 64 |
| Precipitation Potential (%) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 5 | 5 | 5 | 8 | 8 | 8 | 8 | 8 |
| Relative Humidity (%) | 68 | 64 | 65 | 60 | 58 | 57 | 52 | 47 | 46 | 45 | 44 | 47 | 49 | 52 | 54 | 56 | 58 | 61 | 63 | 66 | 66 | 67 | 67 | 67 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
