| Point Forecast: 2 Miles S Mount St Helens WA 46.16N 122.2W (Elev. 1125 m) |
Last Update: 9:41 pm PDT May 24, 2024 |
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| Date | 05/24 | 05/25 | ||||||||||||||||||||||
| Hour (PDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 6 | 6 | 6 | 6 | 4 | 4 | 3 |
| Dewpoint (°C) | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 11 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 10 | 10 | 10 | 9 | 9 |
| Wind Dir | WNW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 58 | 60 | 69 | 78 | 84 | 89 | 90 | 97 | 97 | 97 | 97 | 97 | 97 | 80 | 80 | 80 | 80 | 80 | 80 | 77 | 77 | 77 | 68 | 68 |
| Precipitation Potential (%) | 36 | 38 | 47 | 64 | 76 | 76 | 85 | 85 | 82 | 77 | 73 | 65 | 56 | 45 | 42 | 37 | 32 | 28 | 25 | 38 | 38 | 38 | 38 | 38 |
| Relative Humidity (%) | 96 | 95 | 95 | 95 | 95 | 96 | 97 | 97 | 97 | 96 | 96 | 95 | 95 | 95 | 94 | 93 | 90 | 85 | 80 | 78 | 79 | 82 | 85 | 88 |
| Rain | Chc | Chc | Chc | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/26 | |||||||||||||||||||||||
| Hour (PDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 8 |
| Dewpoint (°C) | 2 | 1 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 6 | 5 | 5 | 5 | 5 | 4 | 4 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 3 | 3 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | SSW | SSW | SSW | SW | SW | SW | WSW | WSW | WSW | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 68 | 63 | 63 | 63 | 63 | 63 | 63 | 65 | 65 | 65 | 54 | 54 | 54 | 61 | 61 | 61 | 61 | 61 | 61 | 54 | 54 | 54 | 46 | 46 |
| Precipitation Potential (%) | 38 | 11 | 11 | 11 | 11 | 11 | 11 | 19 | 19 | 19 | 19 | 19 | 19 | 22 | 22 | 22 | 22 | 22 | 22 | 7 | 7 | 7 | 7 | 7 |
| Relative Humidity (%) | 89 | 90 | 91 | 91 | 92 | 92 | 92 | 92 | 92 | 91 | 90 | 88 | 85 | 82 | 79 | 77 | 74 | 73 | 72 | 72 | 73 | 74 | 75 | 76 |
| Rain | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
