| Point Forecast: 9 Miles ENE Mount St Helens WA 46.24N 122.04W (Elev. 900 m) |
Last Update: 8:41 pm PDT Jun 26, 2024 |
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| Date | 06/26 | 06/27 | ||||||||||||||||||||||
| Hour (PDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 |
| Dewpoint (°C) | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | WNW | W | W | W | W | W | W | WSW | WSW | SW | WSW | SW | SW | SW | WSW | SW | W | WSW | W | W | W | WNW | WNW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 67 | 66 | 68 | 61 | 71 | 75 | 80 | 87 | 88 | 87 | 87 | 80 | 77 | 79 | 75 | 76 | 77 | 81 | 78 | 74 | 69 | 70 | 70 | 70 |
| Precipitation Potential (%) | 28 | 31 | 31 | 41 | 57 | 62 | 70 | 80 | 82 | 80 | 66 | 63 | 60 | 55 | 56 | 50 | 62 | 63 | 58 | 56 | 53 | 23 | 23 | 23 |
| Relative Humidity (%) | 82 | 85 | 84 | 83 | 82 | 85 | 88 | 88 | 87 | 88 | 90 | 93 | 94 | 94 | 92 | 89 | 87 | 85 | 88 | 86 | 87 | 91 | 81 | 84 |
| Rain | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Lkly | Lkly | Lkly | Lkly | Chc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/28 | |||||||||||||||||||||||
| Hour (PDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 9 | 11 | 13 | 14 | 16 | 17 | 17 | 17 | 17 | 17 | 17 |
| Dewpoint (°C) | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 4 | 4 | 4 | 4 | 4 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 | 6 | 6 | 6 | 8 | 8 | 8 |
| Wind Dir | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | N | N | N | NW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 56 | 56 | 56 | 51 | 51 | 51 | 41 | 41 | 41 | 39 | 39 | 39 | 36 | 36 | 36 | 22 | 22 | 22 | 29 | 29 | 29 | 41 | 41 | 41 |
| Precipitation Potential (%) | 23 | 23 | 23 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 89 | 87 | 86 | 85 | 85 | 86 | 86 | 85 | 85 | 84 | 85 | 86 | 87 | 81 | 74 | 68 | 65 | 61 | 58 | 59 | 59 | 60 | 63 | 65 |
| Rain | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
