| Point Forecast: Chicago Heights IL 41.51N 87.64W |
Last Update: 8:06 pm CDT Jul 14, 2026 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (CDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 81 | 80 | 78 | 77 | 76 | 75 | 74 | 74 | 76 | 80 | 85 | 88 | 90 | 92 | 93 | 94 | 94 | 94 | 94 | 93 | 91 | 88 | 85 | 82 |
| Dewpoint (°F) | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 |
| Heat Index (°F) | 85 | 82 | 78 | 77 | 76 | 75 | 76 | 84 | 90 | 94 | 97 | 99 | 100 | 101 | 102 | 102 | 101 | 100 | 97 | 94 | 90 | 87 | ||
| Surface Wind (mph) | 5 | 5 | 5 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 |
| Wind Dir | WSW | WSW | WSW | WSW | WSW | W | W | W | W | WNW | W | W | W | W | W | W | W | WNW | WNW | WNW | NW | N | N | NNE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 2 | 2 | 2 | 2 | 2 | 2 | 9 | 11 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 32 | 40 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 69 | 72 | 74 | 77 | 80 | 82 | 84 | 86 | 82 | 73 | 64 | 58 | 53 | 50 | 48 | 47 | 47 | 47 | 48 | 49 | 52 | 57 | 63 | 68 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (CDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 80 | 79 | 77 | 76 | 75 | 75 | 74 | 74 | 76 | 80 | 84 | 87 | 90 | 91 | 92 | 91 | 91 | 90 | 90 | 88 | 87 | 84 | 81 | 79 |
| Dewpoint (°F) | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 70 | 70 | 69 | 68 | 68 | 67 | 67 | 67 | 66 | 66 | 66 |
| Heat Index (°F) | 84 | 79 | 77 | 76 | 75 | 75 | 76 | 83 | 89 | 93 | 95 | 97 | 98 | 97 | 95 | 94 | 93 | 92 | 89 | 86 | 83 | 79 | ||
| Surface Wind (mph) | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 5 |
| Wind Dir | NNE | NNE | NNE | NNE | N | NNW | NW | NNW | N | ENE | SW | WSW | WSW | W | WSW | WSW | SSW | S | SE | S | SSW | ENE | NE | ENE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 47 | 49 | 55 | 54 | 53 | 52 | 48 | 55 | 55 | 41 | 30 | 30 | 30 | 42 | 44 | 52 | 45 | 32 | 35 | 39 | 42 | 43 | 41 | 39 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 20 | 20 | 20 | 20 | 20 | 20 | 14 | 14 | 14 | 14 |
| Relative Humidity (%) | 72 | 75 | 78 | 82 | 84 | 86 | 87 | 87 | 83 | 74 | 65 | 58 | 54 | 51 | 49 | 49 | 48 | 48 | 48 | 49 | 52 | 55 | 60 | 64 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- |
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