| Point Forecast: 3 Miles ESE Grand Canyon AZ 36.04N 112.08W (Elev. 7113 ft) |
Last Update: 3:57 pm MST May 16, 2026 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| 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 (°F) | 70 | 68 | 66 | 63 | 61 | 60 | 58 | 55 | 54 | 52 | 51 | 50 | 49 | 49 | 54 | 59 | 63 | 64 | 65 | 65 | 66 | 67 | 66 | 66 |
| Dewpoint (°F) | 17 | 18 | 19 | 20 | 20 | 21 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 24 | 23 | 21 | 22 | 21 | 21 | 21 | 21 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 23 | 22 | 21 | 18 | 16 | 14 | 11 | 9 | 9 | 9 | 10 | 11 | 13 | 15 | 17 | 20 | 21 | 23 | 24 | 25 | 26 | 28 | 29 | 30 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 36 | 36 | 34 | 30 | 24 | 21 | 17 | 15 | 15 | 17 | 20 | 23 | 25 | 31 | 33 | 36 | 38 | 39 | 41 | 44 | 46 | 47 | ||
| Sky Cover (%) | 3 | 6 | 5 | 7 | 5 | 5 | 8 | 6 | 6 | 6 | 5 | 8 | 9 | 10 | 33 | 29 | 12 | 15 | 5 | 7 | 13 | 25 | 19 | 8 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 13 | 15 | 16 | 19 | 20 | 22 | 25 | 29 | 30 | 32 | 33 | 36 | 37 | 37 | 32 | 27 | 22 | 21 | 18 | 19 | 18 | 17 | 18 | 18 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/18 | |||||||||||||||||||||||
| 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 (°F) | 64 | 63 | 62 | 60 | 58 | 57 | 56 | 55 | 52 | 51 | 49 | 47 | 45 | 45 | 46 | 48 | 50 | 51 | 53 | 55 | 56 | 57 | 58 | 58 |
| Dewpoint (°F) | 22 | 23 | 22 | 22 | 24 | 26 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 25 | 24 | 23 | 21 | 18 | 16 | 15 | 14 | 13 | 12 | 12 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 30 | 31 | 31 | 30 | 30 | 30 | 30 | 28 | 26 | 24 | 25 | 25 | 24 | 22 | 16 | 11 | 11 | 13 | 14 | 15 | 15 | 14 | 14 | 13 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 47 | 49 | 49 | 48 | 44 | 44 | 44 | 40 | 38 | 37 | 37 | 37 | 36 | 31 | 25 | 20 | 18 | 21 | 23 | 23 | 23 | 23 | 22 | 21 |
| Sky Cover (%) | 19 | 28 | 21 | 19 | 43 | 55 | 75 | 77 | 49 | 48 | 60 | 57 | 38 | 59 | 34 | 8 | 6 | 4 | 2 | 2 | 2 | 2 | 4 | 6 |
| Precipitation Potential (%) | 12 | 12 | 12 | 12 | 12 | 12 | 27 | 27 | 27 | 27 | 27 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 20 | 21 | 21 | 23 | 27 | 30 | 33 | 35 | 41 | 42 | 44 | 47 | 49 | 45 | 42 | 37 | 32 | 27 | 23 | 20 | 19 | 17 | 16 | 16 |
| Rain | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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