| Point Forecast: 5NM ENE Chicago IL 41.88N 87.59W |
Last Update: 3:21 pm CDT Sep 12, 2026 |
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| Date | 09/12 | 09/13 | ||||||||||||||||||||||
| Hour (CDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 77 | 76 | 76 | 77 | 76 | 75 | 74 | 73 | 72 | 70 | 70 | 70 | 69 | 71 | 70 | 70 | 72 | 72 | 70 | 69 | 68 | 67 | 67 | 67 |
| Surface Wind (mph) | 7 | 7 | 8 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 10 | 12 | 13 | 12 | 12 | 11 | 11 | 10 | 9 |
| Wind Dir | NW | NW | NW | NNW | NNW | N | N | N | N | NNW | NNW | NNW | NNW | NNW | NNW | N | N | N | N | N | N | N | N | NNW |
| Gust | ||||||||||||||||||||||||
| Precipitation Potential (%) | 12 | 9 | 6 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 10 | 10 | 10 | 4 | 6 | 6 | 31 | 31 | 31 | 9 | 9 | 5 | 0 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Wave Height (ft) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wave Period (sec) | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 |
| Wave Direction (°) | 310 | 320 | 330 | 340 | 350 | 0 | 150 | 140 | 10 | 10 | 10 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 30 | 30 | 30 | 30 | 30 |
| Date | 09/14 | |||||||||||||||||||||||
| Hour (CDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 67 | 67 | 67 | 66 | 66 | 66 | 65 | 65 | 64 | 64 | 64 | 64 | 65 | 65 | 66 | 67 | 67 | 68 | 68 | 69 | 70 | 71 | 72 | 72 |
| Surface Wind (mph) | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 13 | 14 | 16 |
| Wind Dir | NNW | NNW | N | N | N | N | N | N | NNE | NE | ENE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | SE | SE | SE | SE | SE |
| Gust | ||||||||||||||||||||||||
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 0 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Wave Height (ft) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 |
| Wave Period (sec) | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 4 |
| Wave Direction (°) | 20 | 20 | 20 | 20 | 20 | 10 | 10 | 10 | 20 | 20 | 20 | 30 | 50 | 60 | 60 | 70 | 80 | 80 | 90 | 100 | 110 | 120 | 120 | 130 |
