| Point Forecast: New Chicago IN 41.56N 87.29W |
Last Update: 9:47 am CDT Jul 17, 2026 |
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| Date | 07/17 | 07/18 | ||||||||||||||||||||||
| Hour (CDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 82 | 86 | 87 | 88 | 88 | 88 | 87 | 86 | 84 | 84 | 82 | 82 | 79 | 78 | 76 | 75 | 74 | 74 | 74 | 74 | 73 | 73 | 75 | 78 |
| Dewpoint (°F) | 73 | 74 | 74 | 73 | 73 | 73 | 73 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 73 |
| Heat Index (°F) | 88 | 93 | 96 | 96 | 96 | 96 | 95 | 93 | 91 | 90 | 88 | 87 | 83 | 78 | 76 | 75 | 75 | 78 | ||||||
| Surface Wind (mph) | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 9 | 9 |
| Wind Dir | S | SSW | SSW | SW | SW | SSW | SSW | S | S | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW |
| Gust | 10 | 11 | 13 | 14 | 14 | 15 | 15 | 16 | ||||||||||||||||
| Sky Cover (%) | 64 | 62 | 62 | 63 | 63 | 71 | 67 | 78 | 68 | 57 | 65 | 60 | 49 | 46 | 46 | 48 | 44 | 41 | 41 | 42 | 42 | 40 | 28 | 21 |
| Precipitation Potential (%) | 17 | 18 | 20 | 25 | 34 | 50 | 37 | 42 | 35 | 33 | 26 | 21 | 16 | 15 | 11 | 9 | 7 | 7 | 7 | 5 | 4 | 2 | 0 | 7 |
| Relative Humidity (%) | 75 | 68 | 64 | 62 | 61 | 61 | 64 | 68 | 70 | 71 | 73 | 76 | 82 | 86 | 90 | 94 | 95 | 94 | 94 | 96 | 96 | 96 | 92 | 84 |
| Rain | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/19 | |||||||||||||||||||||||
| Hour (CDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 82 | 85 | 87 | 88 | 87 | 86 | 82 | 80 | 79 | 77 | 76 | 75 | 73 | 71 | 70 | 69 | 69 | 68 | 67 | 67 | 66 | 67 | 68 | 70 |
| Dewpoint (°F) | 74 | 75 | 75 | 75 | 75 | 75 | 74 | 73 | 72 | 70 | 69 | 68 | 68 | 67 | 66 | 66 | 65 | 65 | 65 | 64 | 64 | 64 | 64 | 65 |
| Heat Index (°F) | 88 | 93 | 96 | 97 | 97 | 94 | 89 | 85 | 79 | 77 | 76 | 75 | ||||||||||||
| Surface Wind (mph) | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | WSW | WSW | W | WNW | WNW | NW | NNW | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE | NE | NE |
| Gust | 17 | 18 | 20 | 20 | 20 | 20 | 18 | 17 | 17 | 16 | 15 | 14 | 13 | 13 | 13 | 11 | 11 | 11 | 10 | |||||
| Sky Cover (%) | 22 | 28 | 33 | 55 | 65 | 71 | 56 | 47 | 40 | 31 | 5 | 18 | 15 | 12 | 16 | 19 | 23 | 22 | 22 | 21 | 18 | 15 | 12 | 15 |
| Precipitation Potential (%) | 17 | 22 | 28 | 43 | 58 | 57 | 57 | 57 | 58 | 31 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 77 | 72 | 68 | 67 | 68 | 70 | 75 | 78 | 80 | 79 | 80 | 81 | 84 | 86 | 88 | 89 | 90 | 90 | 91 | 92 | 93 | 93 | 89 | 83 |
| Rain | SChc | SChc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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