| Point Forecast: 17 Miles SE Heppner OR 45.16N 119.32W (Elev. 4990 ft) |
Last Update: 4:01 am PDT Sep 4, 2026 |
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| Date | 09/04 | 09/05 | ||||||||||||||||||||||
| Hour (PDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 39 | 38 | 41 | 43 | 48 | 50 | 52 | 53 | 54 | 55 | 53 | 52 | 50 | 47 | 44 | 43 | 43 | 44 | 43 | 42 | 42 | 41 | 41 | 40 |
| Dewpoint (°F) | 35 | 34 | 37 | 36 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 39 | 40 | 40 | 39 | 39 | 38 | 38 | 37 | 36 | 37 | 37 | 37 | 37 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Wind Dir | SW | S | S | S | S | S | S | S | S | SW | SW | W | N | N | NE | NE | NE | NE | NE | NE | N | NE | NE | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 53 | 56 | 30 | 31 | 27 | 28 | 36 | 50 | 53 | 53 | 53 | 43 | 40 | 40 | 32 | 25 | 24 | 35 | 31 | 35 | 61 | 61 | 61 | 67 |
| Precipitation Potential (%) | 28 | 28 | 12 | 12 | 12 | 15 | 15 | 15 | 30 | 30 | 30 | 21 | 21 | 21 | 7 | 7 | 7 | 17 | 17 | 17 | 41 | 41 | 41 | 50 |
| Relative Humidity (%) | 86 | 87 | 85 | 77 | 66 | 60 | 57 | 55 | 52 | 52 | 57 | 61 | 68 | 76 | 82 | 84 | 82 | 80 | 78 | 80 | 82 | 84 | 86 | 89 |
| Rain | Chc | Chc | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/06 | |||||||||||||||||||||||
| Hour (PDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 40 | 39 | 42 | 45 | 48 | 50 | 53 | 53 | 54 | 55 | 54 | 53 | 51 | 48 | 44 | 43 | 43 | 44 | 44 | 43 | 42 | 42 | 41 | 41 |
| Dewpoint (°F) | 37 | 37 | 39 | 40 | 40 | 41 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 41 | 40 | 39 | 39 | 39 | 38 | 37 | 37 | 36 | 37 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | SW | SW | NE | NE | NE | W | W | W | NW | NW | NW | N | N | N | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 67 | 67 | 54 | 54 | 54 | 59 | 59 | 59 | 45 | 45 | 45 | 61 | 61 | 61 | 47 | 47 | 47 | 54 | 54 | 54 | 66 | 66 | 66 | 74 |
| Precipitation Potential (%) | 50 | 50 | 31 | 31 | 31 | 38 | 38 | 38 | 21 | 21 | 21 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 6 |
| Relative Humidity (%) | 88 | 92 | 89 | 84 | 75 | 70 | 69 | 68 | 65 | 63 | 67 | 69 | 75 | 83 | 89 | 90 | 87 | 84 | 83 | 82 | 82 | 82 | 83 | 84 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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