| Point Forecast: 6 Miles NNE Chicago IL 41.92N 87.64W |
Last Update: 2:51 pm CDT Aug 8, 2026 |
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| Date | 08/08 | 08/09 | ||||||||||||||||||||||
| Hour (CDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°C) | 26 | 26 | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 26 | 28 | 28 | 28 | 27 | 28 | 28 | 28 |
| Dewpoint (°C) | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 19 | 20 | 21 | 21 | 21 | 21 | 21 | 21 |
| Heat Index (°C) | 26 | 26 | 25 | 24 | 26 | 29 | 30 | 29 | 29 | 29 | 31 | 31 | ||||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 9 | 10 | 11 | 11 | 11 | 13 | 13 | 13 | 13 | 14 |
| Wind Dir | E | ESE | SE | SE | SE | SSE | S | S | S | SSW | S | S | S | S | S | S | S | S | S | S | SSW | S | S | S |
| Gust | 20 | 21 | 21 | 22 | 22 | 22 | ||||||||||||||||||
| Sky Cover (%) | 12 | 18 | 25 | 20 | 18 | 17 | 15 | 14 | 14 | 13 | 15 | 17 | 22 | 28 | 33 | 46 | 63 | 73 | 81 | 87 | 87 | 83 | 79 | 74 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 3 | 8 | 12 | 29 | 46 | 52 | 42 | 44 | 45 | 41 |
| Relative Humidity (%) | 58 | 59 | 61 | 67 | 73 | 77 | 79 | 79 | 79 | 81 | 82 | 82 | 83 | 83 | 79 | 72 | 66 | 63 | 63 | 66 | 67 | 69 | 66 | 65 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Date | 08/10 | |||||||||||||||||||||||
| Hour (CDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°C) | 28 | 28 | 27 | 26 | 26 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 25 | 26 | 27 | 27 | 27 | 26 | 26 |
| Dewpoint (°C) | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 |
| Heat Index (°C) | 31 | 31 | 29 | 28 | 26 | 25 | 24 | 24 | 25 | 26 | 28 | 29 | 29 | 26 | 26 | |||||||||
| Surface Wind (mph) | 14 | 13 | 11 | 11 | 13 | 14 | 14 | 14 | 14 | 15 | 13 | 10 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 |
| Wind Dir | S | S | S | S | S | S | S | SSW | SSW | SW | WSW | SW | SSW | SW | WSW | WSW | WSW | WSW | SW | SSW | SSW | SSE | E | E |
| Gust | 21 | |||||||||||||||||||||||
| Sky Cover (%) | 75 | 79 | 79 | 78 | 79 | 87 | 89 | 87 | 90 | 91 | 90 | 88 | 83 | 76 | 73 | 71 | 68 | 73 | 76 | 76 | 74 | 70 | 65 | 63 |
| Precipitation Potential (%) | 37 | 43 | 49 | 58 | 66 | 73 | 80 | 78 | 76 | 70 | 64 | 49 | 34 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 58 | 58 | 58 | 58 |
| Relative Humidity (%) | 65 | 69 | 73 | 76 | 80 | 84 | 85 | 88 | 90 | 91 | 92 | 94 | 95 | 96 | 95 | 93 | 88 | 83 | 80 | 78 | 78 | 79 | 81 | 83 |
| Rain | Chc | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly |
| Thunder | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc |
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