| Point Forecast: 12 Miles ESE Mount St Helens WA 46.1N 122W (Elev. 1411 ft) |
Last Update: 12:41 pm PDT Jun 26, 2024 |
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| Date | 06/26 | 06/27 | ||||||||||||||||||||||
| Hour (PDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 63 | 65 | 66 | 66 | 67 | 65 | 64 | 62 | 60 | 58 | 57 | 57 | 56 | 53 | 52 | 51 | 51 | 50 | 49 | 49 | 50 | 51 | 53 | 55 |
| Dewpoint (°F) | 53 | 53 | 53 | 53 | 55 | 54 | 54 | 54 | 53 | 52 | 50 | 50 | 50 | 50 | 49 | 48 | 48 | 47 | 48 | 49 | 50 | 49 | 50 | 51 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 8 | 9 | 9 | 8 | 6 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 |
| Wind Dir | WSW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | SW | WSW | SW | SW | SW | WSW | SW | WSW | WSW | WSW | WSW | SW | SW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 56 | 51 | 51 | 58 | 61 | 59 | 65 | 73 | 71 | 64 | 63 | 63 | 62 | 71 | 76 | 81 | 86 | 87 | 88 | 86 | 84 | 83 | 79 | 77 |
| Precipitation Potential (%) | 23 | 23 | 26 | 23 | 28 | 23 | 27 | 23 | 24 | 25 | 27 | 35 | 48 | 61 | 82 | 83 | 79 | 75 | 75 | 75 | 75 | 75 | 75 | 61 |
| Relative Humidity (%) | 71 | 66 | 63 | 62 | 65 | 67 | 70 | 74 | 78 | 79 | 78 | 78 | 79 | 88 | 90 | 91 | 90 | 91 | 96 | 100 | 100 | 94 | 90 | 85 |
| Rain | SChc | SChc | Chc | SChc | Chc | SChc | Chc | SChc | SChc | Chc | Chc | Chc | Chc | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/28 | |||||||||||||||||||||||
| Hour (PDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 56 | 58 | 59 | 60 | 60 | 61 | 60 | 60 | 59 | 57 | 56 | 54 | 52 | 51 | 49 | 48 | 48 | 47 | 48 | 48 | 49 | 54 | 58 | 63 |
| Dewpoint (°F) | 51 | 52 | 53 | 53 | 53 | 54 | 54 | 54 | 54 | 52 | 50 | 49 | 48 | 47 | 47 | 46 | 45 | 44 | 45 | 45 | 46 | 48 | 50 | 51 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 77 | 73 | 78 | 75 | 71 | 67 | 67 | 67 | 65 | 65 | 65 | 50 | 50 | 50 | 40 | 40 | 40 | 36 | 36 | 36 | 34 | 34 | 34 | 21 |
| Precipitation Potential (%) | 61 | 61 | 61 | 61 | 61 | 22 | 22 | 22 | 22 | 22 | 22 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 83 | 82 | 80 | 79 | 78 | 77 | 79 | 80 | 82 | 82 | 82 | 82 | 85 | 88 | 91 | 90 | 89 | 88 | 89 | 89 | 90 | 81 | 73 | 64 |
| Rain | Lkly | Lkly | Lkly | Lkly | Lkly | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
