| Point Forecast: 18 Miles ESE Grand Canyon, Valle Airport AZ 35.52N 111.86W (Elev. 2131 m) |
Last Update: 3:12 pm MST Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (MST) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°C) | 30 | 29 | 27 | 24 | 22 | 22 | 21 | 19 | 19 | 19 | 17 | 17 | 17 | 16 | 20 | 22 | 26 | 28 | 29 | 31 | 31 | 31 | 31 | 31 |
| Dewpoint (°C) | -2 | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 1 | 1 | 1 | 0 | -1 | -1 | 0 |
| Heat Index (°C) | 28 | 28 | 26 | 24 | 26 | 27 | 28 | 28 | 29 | 29 | 29 | 28 | ||||||||||||
| Surface Wind (mph) | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 11 | 11 | 10 | 9 | 9 | 10 | 10 |
| Wind Dir | W | W | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | NW | NW | N | N | NE | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 52 | 44 | 36 | 37 | 41 | 32 | 32 | 22 | 16 | 14 | 14 | 20 | 18 | 19 | 7 | 3 | 3 | 4 | 56 | 56 | 56 | 56 | 56 | 56 |
| Precipitation Potential (%) | 16 | 16 | 16 | 16 | 16 | 16 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 39 | 39 | 39 | 39 | 39 | 39 |
| Relative Humidity (%) | 13 | 15 | 18 | 22 | 26 | 27 | 28 | 32 | 34 | 33 | 35 | 35 | 36 | 39 | 32 | 28 | 20 | 17 | 15 | 15 | 14 | 13 | 13 | 14 |
| Rain | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (MST) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°C) | 30 | 29 | 26 | 23 | 22 | 21 | 20 | 19 | 18 | 18 | 17 | 16 | 16 | 18 | 19 | 22 | 24 | 27 | 28 | 29 | 30 | 31 | 31 | 30 |
| Dewpoint (°C) | 0 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
| Heat Index (°C) | 28 | 27 | 26 | 24 | 26 | 27 | 28 | 28 | 29 | 29 | 28 | |||||||||||||
| Surface Wind (mph) | 11 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 |
| Wind Dir | NW | W | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 59 | 68 | 63 | 59 | 59 | 59 | 35 | 33 | 32 | 30 | 31 | 31 | 32 | 26 | 21 | 15 | 15 | 16 | 66 | 66 | 66 | 66 | 66 | 66 |
| Precipitation Potential (%) | 42 | 42 | 42 | 42 | 42 | 42 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 52 | 52 | 52 | 52 | 52 | 52 |
| Relative Humidity (%) | 14 | 17 | 21 | 26 | 30 | 31 | 32 | 34 | 35 | 37 | 39 | 42 | 42 | 40 | 37 | 31 | 27 | 23 | 20 | 18 | 18 | 17 | 17 | 18 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | -- | -- | -- |
| Thunder | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | SChc | SChc | SChc |
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