| Point Forecast: 17 Miles ENE Mount St Helens WA 46.29N 121.87W (Elev. 4905 ft) |
Last Update: 10:46 am PDT Jun 17, 2024 |
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| Date | 06/17 | 06/18 | ||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 40 | 41 | 42 | 42 | 43 | 43 | 43 | 43 | 42 | 41 | 40 | 40 | 39 | 38 | 38 | 37 | 37 | 37 | 37 | 38 | 38 | 39 | 41 | 43 |
| Dewpoint (°F) | 37 | 38 | 39 | 38 | 39 | 39 | 38 | 39 | 38 | 37 | 36 | 37 | 36 | 35 | 35 | 34 | 34 | 34 | 33 | 35 | 35 | 35 | 37 | 37 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 11 | 11 | 11 | 13 | 13 | 14 | 14 | 14 | 13 | 11 | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 |
| Wind Dir | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NNW | NNW | N | N | N | NNW | NNW | NNW |
| Gust | 21 | 21 | 21 | 22 | 22 | 23 | 22 | 22 | 21 | 21 | 18 | |||||||||||||
| Sky Cover (%) | 80 | 79 | 79 | 78 | 74 | 71 | 67 | 74 | 74 | 78 | 66 | 72 | 69 | 73 | 72 | 74 | 76 | 78 | 76 | 76 | 76 | 63 | 63 | 63 |
| Precipitation Potential (%) | 46 | 46 | 46 | 43 | 43 | 43 | 24 | 24 | 24 | 17 | 17 | 17 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 90 | 89 | 88 | 87 | 86 | 84 | 83 | 84 | 85 | 87 | 87 | 88 | 89 | 89 | 90 | 90 | 89 | 88 | 87 | 88 | 88 | 87 | 84 | 78 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/19 | |||||||||||||||||||||||
| Hour (PDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 46 | 48 | 49 | 51 | 52 | 54 | 54 | 53 | 52 | 49 | 46 | 44 | 43 | 43 | 44 | 44 | 43 | 41 | 41 | 43 | 46 | 49 | 53 | 55 |
| Dewpoint (°F) | 38 | 39 | 39 | 40 | 39 | 40 | 39 | 40 | 41 | 41 | 39 | 38 | 37 | 37 | 38 | 37 | 35 | 31 | 29 | 29 | 30 | 32 | 33 | 32 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 |
| Wind Dir | NW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NNE | NNE | NNE | E | E | E | E | E | E | ESE | ESE | ESE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 28 | 28 | 28 | 21 | 21 | 21 | 12 | 12 | 12 | 8 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 |
| Precipitation Potential (%) | 12 | 12 | 12 | 12 | 12 | 12 | 8 | 8 | 8 | 8 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 74 | 70 | 68 | 65 | 61 | 58 | 57 | 61 | 67 | 74 | 77 | 78 | 79 | 79 | 79 | 77 | 73 | 67 | 62 | 58 | 54 | 51 | 46 | 42 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
