weather.gov | weather.gov |
 |  |  | |
 |
 | Home | News | Organization |  |
| Point Forecast: Mount St Helens WA 46.2N 122.18W (Elev. 5997 ft) |
Last Update: 11:03 pm PST Dec 5, 2021 |
 |
|
[hide menu] |
| Date | 12/05 | 12/06 | ||||||||||||||||||||||
| Hour (PST) | 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) | 27 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 30 | 29 | 29 |
| Dewpoint (°F) | 18 | 20 | 21 | 21 | 23 | 23 | 24 | 25 | 25 | 26 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 30 | 31 | 31 | 30 | 29 | 28 |
| Wind Chill (°F) | 17 | 16 | 12 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 14 | 15 | 16 | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 18 | 17 | 17 |
| Surface Wind (mph) | 10 | 10 | 15 | 15 | 15 | 17 | 17 | 17 | 20 | 20 | 20 | 20 | 20 | 20 | 18 | 18 | 18 | 16 | 16 | 16 | 15 | 15 | 15 | 14 |
| Wind Dir | SW | SW | SSW | SSW | SSW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 23 | 23 | 23 | 26 | 26 | 26 | 31 | 31 | 31 | 30 | 30 | 30 | 28 | 28 | 28 | 24 | 24 | 24 | 23 | 23 | 23 | 21 | ||
| Sky Cover (%) | 100 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 96 | 98 | 98 | 93 | 93 | 93 | 92 | 92 | 92 | 85 | 85 | 85 | 82 | 82 | 82 | 80 |
| Precipitation Potential (%) | 25 | 38 | 61 | 58 | 49 | 54 | 61 | 80 | 91 | 92 | 89 | 85 | 81 | 79 | 69 | 54 | 46 | 84 | 84 | 84 | 84 | 84 | 84 | 62 |
| Relative Humidity (%) | 69 | 77 | 84 | 88 | 96 | 96 | 96 | 96 | 96 | 96 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 99 | 100 | 100 | 99 | 99 | 98 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | Chc | Chc | Lkly | Lkly | Chc | Chc | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 12/07 | |||||||||||||||||||||||
| Hour (PST) | 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) | 28 | 29 | 29 | 27 | 26 | 26 | 27 | 30 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 30 | 30 | 31 | 31 | 31 | 32 |
| Dewpoint (°F) | 28 | 28 | 28 | 27 | 24 | 24 | 26 | 29 | 31 | 31 | 29 | 28 | 29 | 31 | 31 | 30 | 27 | 26 | 27 | 29 | 30 | 30 | 30 | 29 |
| Wind Chill (°F) | 17 | 17 | 17 | 15 | 14 | 14 | 16 | 18 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 20 |
| Surface Wind (mph) | 14 | 14 | 15 | 15 | 15 | 11 | 11 | 11 | 10 | 10 | 10 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 18 |
| Wind Dir | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | SW |
| Gust | 21 | 21 | 23 | 23 | 23 | 22 | 22 | 22 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 30 | ||||||
| Sky Cover (%) | 80 | 80 | 84 | 84 | 84 | 85 | 85 | 85 | 81 | 81 | 81 | 81 | 81 | 81 | 83 | 83 | 83 | 79 | 79 | 79 | 80 | 80 | 80 | 84 |
| Precipitation Potential (%) | 62 | 62 | 62 | 62 | 62 | 43 | 43 | 43 | 43 | 43 | 43 | 45 | 45 | 45 | 45 | 45 | 45 | 57 | 57 | 57 | 57 | 57 | 57 | 87 |
| Relative Humidity (%) | 98 | 98 | 99 | 98 | 92 | 92 | 95 | 99 | 100 | 95 | 89 | 86 | 89 | 95 | 98 | 93 | 85 | 82 | 85 | 93 | 98 | 98 | 94 | 91 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Ocnl |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Webmaster NOAA's National Weather Service Portland, OR | Disclaimer Credits Glossary | Privacy Policy About Us Career Opportunities |
