| Point Forecast: 15 Miles NE Mount St Helens WA 46.3N 121.93W (Elev. 3976 ft) |
Last Update: 5:41 pm PDT May 30, 2024 |
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| Date | 05/30 | 05/31 | ||||||||||||||||||||||
| Hour (PDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 49 | 47 | 45 | 41 | 39 | 38 | 38 | 38 | 37 | 37 | 37 | 36 | 38 | 41 | 44 | 50 | 53 | 56 | 58 | 59 | 60 | 61 | 61 | 61 |
| Dewpoint (°F) | 36 | 37 | 36 | 34 | 33 | 33 | 33 | 32 | 31 | 30 | 30 | 28 | 29 | 28 | 29 | 34 | 34 | 36 | 37 | 38 | 39 | 40 | 41 | 42 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 6 | 6 | 6 |
| Wind Dir | NW | NNW | NNW | NNW | NNW | N | N | NNE | NNE | NNE | NNE | NE | ENE | E | ESE | SE | SSE | S | SSW | SW | WSW | W | W | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 11 | 8 | 8 | 8 | 7 | 6 | 3 | 8 | 8 | 9 | 7 | 12 | 7 | 5 | 4 | 0 | 1 | 6 | 12 | 11 | 18 | 18 | 20 | 46 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 0 |
| Relative Humidity (%) | 62 | 67 | 71 | 77 | 79 | 82 | 81 | 80 | 80 | 77 | 77 | 72 | 68 | 60 | 56 | 53 | 49 | 46 | 46 | 45 | 45 | 46 | 47 | 50 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/01 | |||||||||||||||||||||||
| Hour (PDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 60 | 58 | 55 | 51 | 49 | 48 | 47 | 47 | 46 | 46 | 45 | 44 | 46 | 47 | 48 | 50 | 51 | 53 | 53 | 53 | 53 | 52 | 52 | 51 |
| Dewpoint (°F) | 42 | 44 | 44 | 41 | 40 | 40 | 40 | 39 | 38 | 38 | 37 | 36 | 36 | 37 | 37 | 38 | 39 | 40 | 40 | 41 | 42 | 43 | 44 | 45 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 7 | 7 | 7 | 8 | 8 | 8 | 8 |
| Wind Dir | NW | NW | NW | NW | NW | N | N | N | NE | NE | NE | WNW | WNW | WNW | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 46 | 46 | 51 | 51 | 51 | 63 | 63 | 63 | 77 | 77 | 77 | 72 | 72 | 72 | 62 | 62 | 62 | 67 | 67 | 67 | 81 | 81 | 81 | 70 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 14 | 14 | 14 | 14 | 14 | 14 | 22 | 22 | 22 | 22 | 22 | 22 | 31 |
| Relative Humidity (%) | 52 | 60 | 66 | 69 | 72 | 75 | 75 | 74 | 73 | 73 | 72 | 71 | 69 | 67 | 65 | 63 | 62 | 62 | 63 | 65 | 68 | 71 | 75 | 78 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
