| Point Forecast: 9NM NNW Evanston IL 42.19N 87.77W |
Last Update: 10:56 am CDT Jul 15, 2026 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (CDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 80 | 80 | 80 | 80 | 81 | 80 | 79 | 78 | 78 | 78 | 78 | 77 | 76 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 78 | 80 | 82 |
| Dewpoint (°F) | 72 | 72 | 72 | 72 | 72 | 73 | 72 | 72 | 71 | 70 | 70 | 70 | 70 | 70 | 70 | 69 | 69 | 68 | 68 | 68 | 68 | 68 | 68 | 68 |
| Heat Index (°F) | 84 | 84 | 84 | 83 | 85 | 84 | 82 | 79 | 79 | 78 | 78 | 77 | 76 | 75 | 75 | 78 | 83 | 84 | ||||||
| Surface Wind (mph) | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 4 | 3 | 3 | 4 | 4 | 4 | 5 |
| Wind Dir | N | NE | ENE | ENE | E | E | E | E | E | ENE | NE | NE | NE | NE | NE | NNE | N | N | N | NNE | NE | ENE | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 30 | 35 | 37 | 39 | 47 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 57 | 58 | 56 | 54 | 52 |
| 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 (%) | 78 | 75 | 76 | 78 | 76 | 77 | 80 | 79 | 77 | 76 | 77 | 79 | 82 | 84 | 84 | 84 | 83 | 83 | 83 | 82 | 80 | 73 | 67 | 64 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Wave Height (ft) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Wave Period (sec) | 3 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Wave Direction (°) | 60 | 40 | 60 | 70 | 80 | 80 | 90 | 90 | 80 | 80 | 70 | 60 | 40 | 40 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (CDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 82 | 81 | 81 | 81 | 81 | 81 | 80 | 80 | 80 | 79 | 77 | 76 | 75 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 75 | 78 | 81 | 84 |
| Dewpoint (°F) | 68 | 68 | 68 | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 68 | 68 | 69 | 70 | 71 |
| Heat Index (°F) | 85 | 84 | 83 | 84 | 84 | 83 | 83 | 83 | 82 | 82 | 77 | 76 | 75 | 75 | 78 | 85 | 89 | |||||||
| Surface Wind (mph) | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 7 | 6 | 7 | 6 | 5 | 5 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 4 |
| Wind Dir | E | E | E | E | E | E | E | E | E | E | E | E | E | ENE | E | E | SE | SSE | S | S | S | S | S | SSE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 50 | 48 | 46 | 46 | 46 | 46 | 46 | 45 | 45 | 44 | 43 | 42 | 40 | 39 | 38 | 39 | 41 | 42 | 39 | 35 | 32 | 31 | 29 | 28 |
| Precipitation Potential (%) | 0 | 0 | 9 | 9 | 9 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 10 | 10 | 10 | 10 | 10 | 10 | 13 | 13 | 13 | 13 |
| Relative Humidity (%) | 62 | 64 | 66 | 65 | 63 | 64 | 65 | 64 | 65 | 66 | 71 | 74 | 78 | 78 | 78 | 79 | 79 | 80 | 82 | 83 | 81 | 75 | 69 | 64 |
| Rain | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Wave Height (ft) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wave Period (sec) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 |
| Wave Direction (°) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 60 | 60 | 60 | 50 | 50 | 50 | 50 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
