| Point Forecast: 15 Miles S Alder Springs CA 39.42N 122.7W (Elev. 4393 ft) |
Last Update: 1:21 pm PST Dec 16, 2025 |
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| Date | 12/17 | 12/18 | ||||||||||||||||||||||
| Hour (PST) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 43 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 43 | 42 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 |
| Dewpoint (°F) | 27 | 25 | 24 | 23 | 24 | 24 | 25 | 27 | 27 | 29 | 31 | 34 | 36 | 38 | 39 | 41 | 41 | 41 | 40 | 39 | 37 | 35 | 34 | 33 |
| Wind Chill (°F) | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 41 | 41 | 39 | 38 | 37 | 37 | 38 | 38 | 38 | 38 | 38 | 36 | 36 | 36 | 36 |
| Surface Wind (mph) | 5 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WNW | WNW | WNW | WNW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 65 | 65 | 65 | 70 | 70 | 70 | 70 | 70 | 70 | 72 | 72 | 72 | 72 | 72 |
| Precipitation Potential (%) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 55 | 55 | 55 | 55 | 55 | 55 | 58 | 58 | 58 | 58 | 58 |
| Relative Humidity (%) | 53 | 50 | 48 | 46 | 46 | 47 | 49 | 52 | 54 | 56 | 61 | 70 | 80 | 89 | 94 | 97 | 98 | 97 | 93 | 89 | 85 | 80 | 76 | 73 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 12/19 | |||||||||||||||||||||||
| Hour (PST) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 42 | 42 | 42 | 43 | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 41 | 39 | 38 | 39 | 40 | 41 | 41 | 41 | 40 | 41 | 42 | 43 | 44 |
| Dewpoint (°F) | 33 | 33 | 33 | 34 | 34 | 34 | 33 | 34 | 33 | 34 | 34 | 36 | 37 | 38 | 39 | 40 | 41 | 41 | 41 | 40 | 39 | 38 | 37 | 36 |
| Wind Chill (°F) | 37 | 37 | 37 | 38 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 34 | 32 | 31 | 32 | 33 | 35 | 35 | 35 | 34 | 35 | 36 | 38 | 39 |
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
| Wind Dir | WNW | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 72 | 80 | 80 | 80 | 80 | 80 | 80 | 81 | 81 | 81 | 81 | 81 | 81 | 94 | 94 | 94 | 94 | 94 | 94 | 96 | 96 | 96 | 96 | 96 |
| Precipitation Potential (%) | 58 | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 71 | 91 | 91 | 91 | 91 | 91 | 91 | 94 | 94 | 94 | 94 | 94 |
| Relative Humidity (%) | 71 | 70 | 69 | 69 | 69 | 70 | 71 | 72 | 71 | 72 | 74 | 82 | 91 | 99 | 100 | 100 | 99 | 100 | 100 | 99 | 93 | 85 | 78 | 74 |
| Rain | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Snow | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Freezing Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sleet | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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