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| Point Forecast: 3 Miles S Mount St Helens WA 46.14N 122.2W (Elev. 2956 ft) |
Last Update: 5:01 am PDT May 29, 2022 |
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| Date | 05/29 | 05/30 | ||||||||||||||||||||||
| Hour (PDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 42 | 41 | 42 | 41 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 41 | 42 | 43 | 42 | 41 | 40 | 40 | 40 | 41 | 41 | 42 | 42 | 41 |
| Dewpoint (°F) | 38 | 38 | 38 | 38 | 39 | 39 | 40 | 41 | 41 | 40 | 41 | 39 | 40 | 41 | 40 | 39 | 38 | 38 | 38 | 38 | 37 | 38 | 38 | 37 |
| Wind Chill (°F) | 38 | 36 | 36 | 35 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 35 | 34 | 33 | 32 | 32 | 33 | 34 | 34 | 36 | 36 | 34 |
| Surface Wind (mph) | 7 | 8 | 9 | 10 | 11 | 11 | 13 | 13 | 13 | 13 | 13 | 11 | 16 | 16 | 16 | 14 | 14 | 14 | 13 | 13 | 13 | 11 | 11 | 11 |
| Wind Dir | WNW | W | WNW | WNW | WNW | W | WNW | WNW | W | WNW | WNW | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW |
| Gust | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 20 | 26 | 26 | 26 | 23 | 23 | 23 | 21 | 21 | 21 | 20 | 20 | 20 | ||||
| Sky Cover (%) | 92 | 90 | 87 | 82 | 83 | 85 | 84 | 81 | 84 | 83 | 77 | 74 | 65 | 67 | 62 | 71 | 69 | 64 | 62 | 65 | 70 | 80 | 83 | 81 |
| Precipitation Potential (%) | 97 | 97 | 97 | 90 | 90 | 90 | 87 | 87 | 87 | 82 | 82 | 82 | 64 | 64 | 64 | 57 | 57 | 57 | 42 | 42 | 42 | 44 | 44 | 44 |
| Relative Humidity (%) | 87 | 88 | 87 | 89 | 91 | 93 | 92 | 96 | 98 | 94 | 96 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 89 | 87 | 84 | 85 | 85 |
| Rain | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/31 | |||||||||||||||||||||||
| Hour (PDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 41 | 41 | 42 | 42 | 43 | 44 | 45 | 46 | 46 | 47 | 47 | 48 | 48 | 48 | 47 | 47 | 46 | 44 | 43 | 43 | 43 | 43 | 43 | 42 |
| Dewpoint (°F) | 37 | 37 | 38 | 38 | 39 | 40 | 41 | 41 | 41 | 42 | 41 | 42 | 41 | 41 | 41 | 41 | 40 | 39 | 38 | 38 | 37 | 37 | 37 | 35 |
| Wind Chill (°F) | 35 | 35 | 36 | 36 | 37 | 38 | 40 | 41 | 41 | 43 | 43 | 44 | 43 | 43 | 42 | 42 | 41 | 38 | 38 | 38 | 38 | 38 | 38 | 36 |
| Surface Wind (mph) | 9 | 9 | 9 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 | 8 | 9 | 9 | 9 |
| Wind Dir | NW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | N | N | N |
| Gust | 20 | 20 | 20 | |||||||||||||||||||||
| Sky Cover (%) | 84 | 80 | 73 | 58 | 61 | 69 | 76 | 78 | 78 | 77 | 74 | 71 | 69 | 69 | 69 | 49 | 49 | 49 | 40 | 40 | 40 | 41 | 41 | 41 |
| Precipitation Potential (%) | 32 | 32 | 32 | 32 | 32 | 32 | 24 | 24 | 24 | 20 | 20 | 20 | 13 | 13 | 13 | 9 | 9 | 9 | 3 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 86 | 85 | 85 | 84 | 84 | 85 | 85 | 84 | 83 | 82 | 81 | 79 | 78 | 78 | 79 | 79 | 80 | 82 | 83 | 82 | 80 | 79 | 78 | 77 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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