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| Point Forecast: Amf Ohare IL 41.98N 87.9W |
Last Update: 6:15 pm CDT Jun 18, 2021 |
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| Date | 06/18 | 06/19 | ||||||||||||||||||||||
| Hour (CDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 90 | 88 | 85 | 82 | 79 | 78 | 77 | 75 | 74 | 74 | 72 | 70 | 70 | 70 | 74 | 76 | 79 | 83 | 86 | 88 | 89 | 90 | 88 | 88 |
| Dewpoint (°F) | 60 | 60 | 61 | 61 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 64 | 64 | 63 | 63 | 63 | 62 | 61 | 60 | 60 |
| Heat Index (°F) | 90 | 88 | 84 | 82 | 79 | 78 | 77 | 76 | 78 | 82 | 86 | 88 | 90 | 93 | 93 | 92 | 87 | |||||||
| Surface Wind (mph) | 9 | 8 | 6 | 5 | 5 | 3 | 3 | 3 | 5 | 6 | 6 | 7 | 6 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 |
| Wind Dir | NW | NW | WNW | NW | W | WSW | SW | SSW | SW | SSW | SW | WSW | WSW | SW | WSW | WSW | WSW | W | W | W | W | W | WNW | NNW |
| Gust | 14 | 14 | 14 | 15 | 15 | 15 | 18 | 18 | 18 | |||||||||||||||
| Sky Cover (%) | 41 | 41 | 42 | 49 | 56 | 51 | 57 | 68 | 75 | 81 | 80 | 75 | 65 | 57 | 53 | 49 | 39 | 38 | 41 | 20 | 21 | 21 | 21 | 27 |
| Precipitation Potential (%) | 12 | 13 | 14 | 14 | 15 | 16 | 17 | 8 | 16 | 26 | 31 | 25 | 17 | 8 | 8 | 8 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 37 | 39 | 49 | 53 | 54 | 56 | 58 | 60 | 64 | 71 | 73 | 73 | 76 | 73 | 66 | 58 | 53 | 46 | 42 | 39 | 37 | 37 | 36 | 42 |
| Rain | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/20 | |||||||||||||||||||||||
| Hour (CDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 85 | 82 | 77 | 75 | 71 | 70 | 68 | 66 | 65 | 64 | 64 | 64 | 65 | 68 | 72 | 75 | 78 | 81 | 83 | 85 | 86 | 86 | 86 | 86 |
| Dewpoint (°F) | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 57 | 57 | 58 | 58 | 59 | 60 | 61 | 62 | 63 | 63 | 64 | 66 | 66 | 67 | 67 |
| Heat Index (°F) | 82 | 77 | 75 | 75 | 78 | 82 | 84 | 86 | 88 | 88 | 89 | 89 | ||||||||||||
| Surface Wind (mph) | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 3 | 3 | 2 | 2 | 3 | 3 | 3 | 3 | 5 | 6 | 8 | 9 | 11 | 13 | 13 | 14 | 15 |
| Wind Dir | N | NE | NE | NE | NE | NE | NE | NE | NE | NE | ENE | ENE | E | E | ESE | ESE | SE | SE | S | S | S | SSW | SSW | SSW |
| Gust | 18 | 13 | 15 | 17 | 20 | 22 | 24 | 24 | ||||||||||||||||
| Sky Cover (%) | 32 | 38 | 35 | 31 | 28 | 25 | 22 | 19 | 19 | 26 | 32 | 36 | 42 | 42 | 46 | 55 | 59 | 62 | 69 | 72 | 69 | 62 | 58 | 56 |
| Precipitation Potential (%) | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 2 | 2 | 2 | 11 | 11 | 11 | 13 | 13 | 13 | 19 | 19 | 19 | 32 | 32 | 32 | 42 | 42 |
| Relative Humidity (%) | 47 | 56 | 58 | 59 | 59 | 63 | 68 | 75 | 78 | 78 | 78 | 81 | 78 | 73 | 66 | 62 | 58 | 54 | 51 | 50 | 51 | 51 | 53 | 53 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
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