| Point Forecast: 18 Miles ESE Grand Canyon, Valle Airport AZ 35.52N 111.86W (Elev. 2131 m) |
Last Update: 12:44 am MST Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (MST) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 16 | 16 | 15 | 15 | 18 | 21 | 24 | 26 | 27 | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 24 | 22 | 21 | 19 | 19 | 18 | 17 | 17 |
| Dewpoint (°C) | 4 | 4 | 5 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 8 | 8 |
| Heat Index (°C) | 24 | 26 | 26 | 27 | 27 | 28 | 27 | 27 | 26 | 26 | 24 | |||||||||||||
| Surface Wind (mph) | 9 | 10 | 10 | 10 | 11 | 13 | 13 | 14 | 15 | 15 | 16 | 15 | 15 | 16 | 16 | 13 | 13 | 11 | 10 | 9 | 9 | 9 | 9 | 9 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | W | W | W | SW | SW | SW | SW | W | W | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 24 | |||||||||||||||||||||||
| Sky Cover (%) | 24 | 28 | 25 | 18 | 11 | 5 | 6 | 8 | 51 | 51 | 51 | 52 | 52 | 52 | 35 | 35 | 35 | 28 | 28 | 28 | 14 | 13 | 13 | 10 |
| Precipitation Potential (%) | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 32 | 32 | 32 | 33 | 33 | 33 | 21 | 21 | 21 | 17 | 17 | 17 | 11 | 11 | 11 | 5 |
| Relative Humidity (%) | 47 | 47 | 51 | 53 | 46 | 39 | 33 | 28 | 25 | 24 | 23 | 23 | 24 | 24 | 25 | 29 | 32 | 38 | 44 | 47 | 50 | 56 | 56 | 58 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (MST) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 16 | 16 | 15 | 16 | 18 | 20 | 22 | 24 | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 23 | 23 | 20 | 19 | 19 | 18 | 17 | 17 | 17 |
| Dewpoint (°C) | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 9 |
| Heat Index (°C) | 24 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | ||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 11 | 11 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 11 | 10 | 9 | 8 | 8 | 8 | 7 | 6 | 5 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | SW | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 13 | 17 | 17 | 17 | 14 | 19 | 19 | 20 | 76 | 76 | 76 | 76 | 76 | 76 | 67 | 67 | 69 | 70 | 67 | 67 | 60 | 58 | 57 | 59 |
| Precipitation Potential (%) | 5 | 5 | 7 | 7 | 7 | 13 | 13 | 13 | 66 | 66 | 66 | 66 | 66 | 66 | 54 | 54 | 54 | 54 | 54 | 54 | 26 | 26 | 26 | 26 |
| Relative Humidity (%) | 60 | 62 | 64 | 62 | 56 | 51 | 43 | 37 | 32 | 31 | 30 | 30 | 30 | 32 | 35 | 38 | 41 | 47 | 49 | 52 | 58 | 58 | 58 | 60 |
| Rain | -- | -- | -- | -- | -- | SChc | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | SChc | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- |
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