| Point Forecast: New Chicago IN 41.56N 87.29W |
Last Update: 1:56 am CDT May 19, 2026 |
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| Date | 05/19 | 05/20 | ||||||||||||||||||||||
| Hour (CDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 68 | 68 | 69 | 67 | 68 | 68 | 68 | 72 | 75 | 77 | 79 | 79 | 79 | 77 | 75 | 74 | 72 | 69 | 67 | 64 | 62 | 60 | 57 | 55 |
| Dewpoint (°F) | 64 | 64 | 64 | 64 | 64 | 64 | 65 | 66 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 67 | 64 | 62 | 62 | 57 | 55 | 54 | 52 | 50 |
| Heat Index (°F) | 76 | 79 | 79 | 79 | 79 | 77 | 76 | |||||||||||||||||
| Surface Wind (mph) | 11 | 13 | 14 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 14 | 11 | 10 | 9 | 9 | 9 | 11 | 13 |
| Wind Dir | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | WSW | WSW | WSW | W | W | WNW | NW | NW | NNW | NNW | N | N | N |
| Gust | 22 | 24 | 25 | 26 | 26 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 26 | 26 | 24 | 23 | 21 | 18 | 16 | 15 | 15 | 15 | 17 | 18 |
| Sky Cover (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 87 | 75 | 77 | 80 | 81 | 81 | 82 | 83 | 80 | 76 | 68 | 60 | 57 |
| Precipitation Potential (%) | 7 | 12 | 17 | 25 | 23 | 20 | 18 | 17 | 15 | 21 | 26 | 32 | 34 | 45 | 41 | 36 | 26 | 19 | 19 | 18 | 18 | 18 | 18 | 2 |
| Relative Humidity (%) | 86 | 86 | 84 | 90 | 86 | 86 | 84 | 78 | 72 | 68 | 68 | 67 | 67 | 71 | 72 | 77 | 72 | 77 | 81 | 76 | 76 | 79 | 80 | 81 |
| Rain | -- | SChc | SChc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- |
| Thunder | -- | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- |
| Date | 05/21 | |||||||||||||||||||||||
| Hour (CDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 54 | 52 | 52 | 50 | 49 | 49 | 51 | 53 | 55 | 55 | 55 | 54 | 54 | 53 | 52 | 51 | 50 | 47 | 46 | 45 | 45 | 44 | 44 | 44 |
| Dewpoint (°F) | 48 | 47 | 46 | 45 | 44 | 44 | 43 | 43 | 45 | 44 | 44 | 42 | 41 | 41 | 40 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 41 | 42 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 11 | 10 | 9 | 8 | 8 | 7 |
| Wind Dir | N | N | N | N | N | N | N | NNE | NNE | NNE | NNE | N | N | N | N | N | N | N | N | NNE | NNE | NNE | NNE | NNE |
| Gust | 18 | 20 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 20 | 18 | 17 | 15 | 14 | 14 | 14 |
| Sky Cover (%) | 53 | 55 | 57 | 56 | 54 | 48 | 60 | 51 | 65 | 55 | 39 | 38 | 32 | 34 | 33 | 39 | 61 | 44 | 45 | 43 | 41 | 42 | 42 | 43 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 81 | 81 | 81 | 83 | 83 | 83 | 74 | 67 | 70 | 69 | 67 | 65 | 63 | 59 | 61 | 60 | 61 | 66 | 68 | 69 | 71 | 74 | 78 | 80 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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