| Point Forecast: Greybull/S Big Horn Airport WY 44.51N 108.07W (Elev. 3799 ft) |
Last Update: 8:13 am MDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (MDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°F) | 67 | 70 | 72 | 75 | 77 | 79 | 80 | 81 | 81 | 79 | 75 | 70 | 70 | 67 | 65 | 64 | 62 | 61 | 59 | 58 | 57 | 56 | 55 | 55 |
| Dewpoint (°F) | 55 | 55 | 54 | 55 | 53 | 53 | 51 | 52 | 53 | 57 | 56 | 58 | 56 | 55 | 55 | 56 | 55 | 55 | 55 | 54 | 54 | 53 | 51 | 53 |
| Heat Index (°F) | 75 | 77 | 79 | 80 | 80 | 80 | 79 | 75 | ||||||||||||||||
| Surface Wind (mph) | 16 | 14 | 15 | 15 | 11 | 9 | 10 | 10 | 14 | 24 | 24 | 17 | 10 | 13 | 15 | 16 | 10 | 10 | 10 | 10 | 10 | 11 | 13 | 11 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | WNW | NW | WNW | NNW | WNW | NW | NW | NW | NW | NW | NW |
| Gust | 24 | 21 | 23 | 23 | 21 | 37 | 37 | 26 | 20 | 23 | 24 | |||||||||||||
| Sky Cover (%) | 39 | 45 | 37 | 35 | 27 | 16 | 4 | 19 | 27 | 51 | 88 | 83 | 89 | 92 | 82 | 83 | 90 | 93 | 90 | 85 | 86 | 86 | 98 | 90 |
| Precipitation Potential (%) | 8 | 6 | 5 | 4 | 2 | 2 | 3 | 15 | 27 | 54 | 88 | 67 | 50 | 36 | 39 | 70 | 68 | 48 | 40 | 49 | 44 | 33 | 38 | 38 |
| Relative Humidity (%) | 65 | 58 | 53 | 49 | 44 | 40 | 37 | 36 | 38 | 47 | 51 | 66 | 61 | 65 | 71 | 74 | 77 | 82 | 86 | 85 | 89 | 89 | 86 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Ocnl | Lkly | Chc | Chc | Chc | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (MDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°F) | 56 | 58 | 59 | 60 | 62 | 65 | 68 | 70 | 71 | 71 | 71 | 70 | 69 | 68 | 66 | 64 | 62 | 60 | 59 | 57 | 54 | 52 | 52 | 55 |
| Dewpoint (°F) | 53 | 53 | 52 | 51 | 51 | 50 | 50 | 49 | 49 | 49 | 50 | 49 | 49 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 49 | 49 | 49 | 50 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 8 | 7 | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | NW | NW | NW | NW | NW | NNW | NNW | N | N | NNW | NNW | NNW | NNW | NNW | N | E | ESE | ESE | SE | SE | SE | SE | SE | SSE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 94 | 87 | 76 | 69 | 64 | 60 | 55 | 48 | 39 | 30 | 22 | 20 | 18 | 16 | 16 | 15 | 15 | 14 | 12 | 11 | 12 | 12 | 13 | 9 |
| Precipitation Potential (%) | 38 | 38 | 38 | 38 | 14 | 14 | 14 | 14 | 14 | 14 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 89 | 83 | 78 | 72 | 66 | 59 | 53 | 48 | 46 | 46 | 47 | 48 | 49 | 52 | 56 | 62 | 67 | 71 | 75 | 79 | 84 | 88 | 88 | 83 |
| Rain | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
