| Point Forecast: 17 Miles ENE Mount St Helens WA 46.27N 121.86W (Elev. 4833 ft) |
Last Update: 4:41 pm PDT Jun 10, 2024 |
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| Date | 06/10 | 06/11 | ||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 60 | 59 | 58 | 56 | 53 | 52 | 51 | 51 | 50 | 49 | 48 | 48 | 47 | 46 | 49 | 52 | 54 | 52 | 52 | 51 | 52 | 51 | 52 | 53 |
| Dewpoint (°F) | 40 | 41 | 42 | 44 | 42 | 41 | 40 | 40 | 38 | 37 | 37 | 37 | 35 | 36 | 38 | 40 | 42 | 40 | 41 | 41 | 43 | 42 | 42 | 41 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 9 | 8 | 8 | 7 | 5 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 10 | 11 | 11 | 13 | 13 | 14 | 14 | 15 | 15 |
| Wind Dir | NNW | NNW | NNW | NNW | NNW | WNW | W | WSW | WSW | W | WSW | SW | SW | SW | SW | WSW | SW | WSW | WSW | WSW | W | W | W | WNW |
| Gust | 18 | 18 | 21 | 21 | 23 | 23 | 25 | 25 | ||||||||||||||||
| Sky Cover (%) | 29 | 38 | 48 | 44 | 45 | 36 | 47 | 41 | 27 | 16 | 27 | 14 | 18 | 34 | 38 | 31 | 52 | 59 | 62 | 62 | 67 | 65 | 60 | 20 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 7 | 7 | 7 | 5 | 5 | 8 | 5 | 4 | 3 | 3 |
| Relative Humidity (%) | 48 | 51 | 56 | 64 | 66 | 67 | 66 | 65 | 64 | 62 | 65 | 65 | 64 | 68 | 66 | 64 | 64 | 63 | 67 | 68 | 70 | 72 | 69 | 64 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/12 | |||||||||||||||||||||||
| Hour (PDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 52 | 51 | 50 | 47 | 44 | 42 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 36 | 38 | 40 | 43 | 46 | 49 | 50 | 51 | 52 | 52 | 53 |
| Dewpoint (°F) | 39 | 37 | 38 | 36 | 35 | 34 | 35 | 33 | 32 | 31 | 30 | 28 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 27 | 28 | 29 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 16 | 16 | 16 | 16 | 16 | 16 | 11 | 11 | 11 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 |
| Wind Dir | NW | NW | NW | WNW | WNW | WNW | NNW | NNW | NNW | NNW | NNW | NNW | N | N | N | NNW | NNW | NNW | NW | NW | NW | NW | NW | NW |
| Gust | 28 | 28 | 28 | 25 | 25 | 25 | 18 | 18 | 18 | |||||||||||||||
| Sky Cover (%) | 17 | 17 | 17 | 17 | 17 | 17 | 23 | 23 | 23 | 33 | 33 | 33 | 23 | 23 | 23 | 14 | 14 | 14 | 2 | 2 | 2 | 3 | 3 | 3 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 62 | 59 | 63 | 66 | 70 | 74 | 81 | 80 | 80 | 79 | 78 | 76 | 75 | 70 | 66 | 61 | 56 | 50 | 45 | 43 | 40 | 38 | 39 | 39 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
