| Point Forecast: 15 Miles SSW Asotin WA 46.14N 117.13W (Elev. 3556 ft) |
Last Update: 3:21 pm PDT Sep 12, 2026 |
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| Date | 09/12 | 09/13 | ||||||||||||||||||||||
| Hour (PDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 67 | 62 | 60 | 59 | 59 | 58 | 56 | 54 | 54 | 51 | 51 | 48 | 48 | 49 | 50 | 52 | 53 | 54 | 55 | 56 | 56 | 55 | 53 | 52 |
| Dewpoint (°F) | 42 | 41 | 41 | 41 | 42 | 44 | 44 | 44 | 46 | 44 | 45 | 44 | 44 | 43 | 42 | 42 | 40 | 40 | 39 | 39 | 40 | 41 | 41 | 41 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 7 | 8 | 10 | 10 | 11 | 11 | 11 | 11 | 13 | 13 | 16 | 18 | 20 | 22 | 20 | 17 | 16 | 15 | 14 | 14 | 13 | 11 | 11 |
| Wind Dir | N | N | N | W | W | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 26 | 28 | 28 | 26 | 25 | 25 | 23 | 23 | 23 | 22 | 22 | |||||||||||||
| Sky Cover (%) | 24 | 18 | 24 | 56 | 93 | 93 | 93 | 93 | 93 | 93 | 86 | 86 | 86 | 86 | 86 | 86 | 65 | 65 | 65 | 71 | 84 | 89 | 90 | 90 |
| Precipitation Potential (%) | 11 | 11 | 11 | 11 | 89 | 89 | 89 | 89 | 89 | 89 | 79 | 79 | 79 | 79 | 79 | 79 | 47 | 47 | 47 | 47 | 47 | 47 | 53 | 53 |
| Relative Humidity (%) | 40 | 46 | 49 | 52 | 54 | 59 | 64 | 70 | 73 | 78 | 81 | 85 | 86 | 81 | 75 | 68 | 61 | 60 | 55 | 53 | 55 | 58 | 63 | 67 |
| Rain | -- | -- | -- | -- | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/14 | |||||||||||||||||||||||
| Hour (PDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 50 | 48 | 46 | 46 | 45 | 46 | 46 | 47 | 47 | 46 | 45 | 45 | 45 | 47 | 50 | 53 | 57 | 59 | 61 | 62 | 62 | 62 | 60 | 58 |
| Dewpoint (°F) | 41 | 41 | 41 | 42 | 42 | 41 | 41 | 41 | 41 | 40 | 39 | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 40 | 40 | 40 | 41 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 17 | 17 | 17 | 8 | 8 | 8 | 3 | 3 | 3 | 7 | 7 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | SW | SW | SW | NW | NW | NW | N | N |
| Gust | 22 | 28 | 28 | 28 | 26 | 26 | 26 | 24 | 24 | 24 | ||||||||||||||
| Sky Cover (%) | 90 | 84 | 84 | 84 | 71 | 71 | 71 | 55 | 55 | 55 | 24 | 24 | 24 | 15 | 15 | 15 | 4 | 4 | 4 | 11 | 11 | 11 | 5 | 5 |
| Precipitation Potential (%) | 53 | 53 | 53 | 53 | 33 | 33 | 33 | 33 | 33 | 33 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 71 | 78 | 84 | 87 | 88 | 84 | 81 | 80 | 79 | 80 | 78 | 82 | 82 | 78 | 72 | 63 | 56 | 51 | 48 | 46 | 45 | 45 | 48 | 54 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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