| Point Forecast: Tinley Park IL 41.58N 87.81W |
Last Update: 7:06 pm CDT Sep 20, 2024 |
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| Date | 09/20 | 09/21 | ||||||||||||||||||||||
| Hour (CDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 83 | 77 | 73 | 71 | 70 | 69 | 68 | 67 | 66 | 64 | 63 | 63 | 62 | 66 | 73 | 79 | 84 | 86 | 89 | 90 | 91 | 91 | 89 | 86 |
| Dewpoint (°F) | 56 | 60 | 64 | 64 | 65 | 65 | 64 | 64 | 63 | 62 | 62 | 62 | 61 | 60 | 61 | 61 | 58 | 56 | 54 | 53 | 53 | 53 | 53 | 55 |
| Heat Index (°F) | 82 | 77 | 79 | 84 | 85 | 87 | 88 | 89 | 89 | 87 | 84 | |||||||||||||
| Surface Wind (mph) | 6 | 3 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 5 | 7 | 7 | 8 | 8 | 7 | 7 |
| Wind Dir | N | N | NW | WNW | W | W | SW | SSW | SW | W | WSW | SW | S | ESE | SE | SSE | SSE | SSE | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 7 | 6 | 9 | 10 | 12 | 20 | 25 | 28 | 30 | 33 | 31 | 33 | 34 | 34 | 32 | 29 | 25 | 22 | 18 | 16 | 14 | 12 | 17 | 23 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 8 | 8 |
| Relative Humidity (%) | 40 | 56 | 73 | 79 | 84 | 87 | 87 | 90 | 90 | 93 | 97 | 97 | 97 | 81 | 66 | 54 | 41 | 36 | 30 | 28 | 28 | 28 | 29 | 35 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/22 | |||||||||||||||||||||||
| Hour (CDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 80 | 77 | 74 | 73 | 71 | 70 | 69 | 69 | 68 | 67 | 66 | 66 | 68 | 70 | 71 | 72 | 73 | 74 | 74 | 74 | 74 | 73 | 73 | 72 |
| Dewpoint (°F) | 56 | 58 | 60 | 61 | 61 | 61 | 62 | 61 | 62 | 62 | 63 | 63 | 65 | 66 | 67 | 67 | 67 | 67 | 67 | 68 | 68 | 67 | 67 | 66 |
| Heat Index (°F) | 80 | 77 | ||||||||||||||||||||||
| Surface Wind (mph) | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 7 |
| Wind Dir | SSE | SSE | S | S | SSW | SSW | S | SSW | SW | SSW | SSW | SSW | SSW | SW | WSW | WSW | WSW | WSW | SW | WSW | W | W | WNW | NW |
| Gust | 11 | 13 | 14 | 14 | 14 | 13 | 13 | |||||||||||||||||
| Sky Cover (%) | 28 | 39 | 51 | 62 | 64 | 66 | 68 | 71 | 74 | 77 | 78 | 80 | 81 | 84 | 87 | 90 | 89 | 87 | 86 | 85 | 84 | 83 | 84 | 85 |
| Precipitation Potential (%) | 18 | 18 | 18 | 24 | 24 | 24 | 45 | 45 | 45 | 51 | 51 | 51 | 80 | 80 | 80 | 80 | 80 | 80 | 79 | 79 | 79 | 79 | 79 | 79 |
| Relative Humidity (%) | 44 | 52 | 62 | 66 | 71 | 73 | 78 | 76 | 81 | 84 | 90 | 90 | 90 | 87 | 87 | 84 | 81 | 79 | 79 | 82 | 82 | 81 | 81 | 81 |
| Rain | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc |
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