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Point Forecast: 18 Miles ENE Mount St Helens WA 46.27N 121.83W (Elev. 4131 ft) |
Last Update: 10:41 pm PDT Apr 25, 2024 |
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Date | 04/25 | 04/26 | ||||||||||||||||||||||
Hour (PDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
Temperature (°F) | 37 | 37 | 38 | 38 | 37 | 38 | 37 | 37 | 37 | 37 | 38 | 38 | 39 | 40 | 39 | 40 | 41 | 41 | 40 | 39 | 39 | 38 | 38 | 37 |
Dewpoint (°F) | 35 | 36 | 36 | 35 | 34 | 35 | 34 | 35 | 34 | 33 | 34 | 35 | 35 | 36 | 36 | 37 | 37 | 38 | 38 | 38 | 38 | 37 | 37 | 35 |
Wind Chill (°F) | 28 | 28 | 30 | 30 | 29 | 31 | 29 | 29 | 29 | 29 | 30 | 31 | 32 | 33 | 32 | 33 | 34 | 34 | 34 | 33 | 32 | 31 | 31 | 30 |
Surface Wind (mph) | 14 | 14 | 14 | 14 | 13 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wind Dir | SW | SW | SSW | SW | SSW | SSW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | WSW | WSW | WSW |
Gust | 22 | 22 | 22 | 20 | 20 | 18 | 18 | |||||||||||||||||
Sky Cover (%) | 90 | 88 | 86 | 83 | 92 | 89 | 88 | 90 | 92 | 86 | 84 | 82 | 80 | 84 | 89 | 92 | 95 | 94 | 94 | 94 | 94 | 94 | 94 | 94 |
Precipitation Potential (%) | 85 | 81 | 78 | 74 | 87 | 83 | 81 | 84 | 88 | 79 | 75 | 63 | 69 | 75 | 80 | 87 | 92 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
Relative Humidity (%) | 94 | 97 | 92 | 88 | 90 | 89 | 88 | 92 | 89 | 88 | 87 | 88 | 86 | 87 | 89 | 89 | 87 | 89 | 92 | 94 | 96 | 96 | 95 | 93 |
Rain | Ocnl | Ocnl | Ocnl | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | SChc | Ocnl | Ocnl | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Snow | -- | Ocnl | SChc | SChc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | SChc | -- | -- | SChc | -- | -- | -- | -- | SChc | Ocnl | SChc |
Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Date | 04/27 | |||||||||||||||||||||||
Hour (PDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
Temperature (°F) | 36 | 36 | 36 | 37 | 36 | 36 | 35 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 38 | 38 | 37 | 37 | 36 | 36 | 36 | 36 |
Dewpoint (°F) | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 32 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
Wind Chill (°F) | 29 | 29 | 30 | 30 | 30 | 30 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 28 |
Surface Wind (mph) | 9 | 9 | 9 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 11 | 11 |
Wind Dir | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW |
Gust | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | |||||||||||||||
Sky Cover (%) | 77 | 77 | 77 | 82 | 82 | 82 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 90 | 90 | 90 | 90 | 90 | 90 |
Precipitation Potential (%) | 62 | 62 | 62 | 62 | 62 | 62 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 84 | 84 | 84 | 84 | 84 | 84 |
Relative Humidity (%) | 96 | 94 | 93 | 91 | 91 | 90 | 90 | 88 | 87 | 85 | 85 | 86 | 86 | 86 | 86 | 86 | 88 | 90 | 92 | 94 | 96 | 98 | 97 | 95 |
Rain | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | SChc | SChc | SChc | SChc | SChc | SChc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Snow | SChc | SChc | SChc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | SChc | SChc | SChc | SChc | SChc | SChc |
Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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