| Point Forecast: 4 Miles NE Chicago IL 41.88N 87.65W |
Last Update: 3:26 am CDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (CDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 72 | 70 | 69 | 69 | 71 | 75 | 78 | 82 | 81 | 82 | 83 | 82 | 82 | 83 | 82 | 82 | 82 | 81 | 80 | 79 | 78 | 77 | 76 | 76 |
| Dewpoint (°F) | 66 | 66 | 65 | 65 | 66 | 67 | 68 | 67 | 67 | 67 | 67 | 67 | 68 | 68 | 69 | 69 | 70 | 70 | 70 | 71 | 72 | 72 | 72 | 72 |
| Heat Index (°F) | 75 | 78 | 84 | 84 | 85 | 86 | 85 | 85 | 86 | 86 | 85 | 85 | 85 | 84 | 82 | 78 | 77 | 76 | 75 | |||||
| Surface Wind (mph) | 5 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 |
| Wind Dir | SSE | S | S | S | S | S | S | S | SSE | SE | E | E | E | E | E | ESE | ESE | SSE | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 10 | 12 | 7 | 7 | 6 | 7 | 3 | 4 | 12 | 25 | 24 | 25 | 21 | 12 | 11 | 16 | 27 | 32 | 20 | 36 | 26 | 24 | 29 | 22 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 8 | 13 | 13 | 13 | 11 | 8 | 8 | 8 | 8 | 8 | 7 | 7 |
| Relative Humidity (%) | 82 | 85 | 88 | 87 | 84 | 78 | 70 | 62 | 62 | 61 | 60 | 61 | 61 | 62 | 63 | 65 | 66 | 68 | 72 | 75 | 80 | 83 | 88 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (CDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 75 | 74 | 74 | 74 | 76 | 78 | 82 | 85 | 87 | 88 | 89 | 90 | 91 | 91 | 90 | 89 | 87 | 84 | 82 | 79 | 77 | 75 | 74 | 73 |
| Dewpoint (°F) | 72 | 72 | 72 | 72 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 |
| Heat Index (°F) | 75 | 77 | 78 | 88 | 93 | 96 | 98 | 98 | 99 | 100 | 100 | 99 | 97 | 94 | 90 | 86 | 79 | 77 | 75 | |||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 7 | 7 | 7 |
| Wind Dir | S | S | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | S | S | SSW | SSW | SSW | SW | SW | SW | SW | SW | WSW |
| Gust | 13 | 13 | 13 | 13 | ||||||||||||||||||||
| Sky Cover (%) | 33 | 37 | 34 | 32 | 34 | 25 | 21 | 29 | 37 | 40 | 43 | 41 | 38 | 36 | 41 | 45 | 50 | 61 | 71 | 82 | 79 | 77 | 74 | 77 |
| Precipitation Potential (%) | 7 | 6 | 6 | 6 | 11 | 11 | 11 | 11 | 11 | 11 | 21 | 21 | 21 | 21 | 21 | 21 | 56 | 56 | 56 | 56 | 56 | 56 | 51 | 51 |
| Relative Humidity (%) | 91 | 91 | 92 | 92 | 88 | 85 | 77 | 70 | 65 | 63 | 60 | 58 | 57 | 56 | 57 | 59 | 63 | 68 | 74 | 80 | 85 | 90 | 93 | 96 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc |
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