| Point Forecast: Northbrook IL 42.13N 87.83W |
Last Update: 12:27 pm CDT Jun 21, 2024 |
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| Date | 06/21 | 06/22 | ||||||||||||||||||||||
| Hour (CDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 79 | 81 | 83 | 83 | 85 | 83 | 81 | 80 | 77 | 76 | 76 | 77 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 77 | 79 | 83 | 87 | 89 |
| Dewpoint (°F) | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 67 |
| Heat Index (°F) | 79 | 83 | 85 | 85 | 87 | 85 | 83 | 82 | 77 | 76 | 76 | 77 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 77 | 79 | 86 | 90 | 92 |
| Surface Wind (mph) | 6 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 7 | 8 | 10 | 13 | 14 | 15 |
| Wind Dir | ESE | E | E | E | E | E | E | SSE | SE | E | ENE | E | SSE | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW |
| Gust | 15 | 18 | 21 | 24 | ||||||||||||||||||||
| Sky Cover (%) | 44 | 40 | 36 | 37 | 38 | 39 | 41 | 33 | 35 | 36 | 34 | 38 | 42 | 40 | 39 | 40 | 46 | 48 | 51 | 53 | 53 | 56 | 60 | 61 |
| Precipitation Potential (%) | 4 | 5 | 7 | 9 | 11 | 12 | 13 | 6 | 6 | 6 | 7 | 7 | 7 | 15 | 15 | 15 | 15 | 15 | 15 | 10 | 10 | 10 | 12 | 12 |
| Relative Humidity (%) | 62 | 58 | 57 | 57 | 53 | 57 | 60 | 62 | 67 | 69 | 69 | 67 | 69 | 69 | 69 | 71 | 74 | 74 | 74 | 69 | 67 | 59 | 52 | 48 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
| Date | 06/23 | |||||||||||||||||||||||
| Hour (CDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 91 | 92 | 93 | 92 | 91 | 89 | 88 | 86 | 84 | 81 | 78 | 75 | 74 | 73 | 72 | 71 | 71 | 70 | 70 | 70 | 72 | 75 | 77 | 79 |
| Dewpoint (°F) | 66 | 66 | 66 | 67 | 67 | 67 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 67 | 67 | 67 |
| Heat Index (°F) | 94 | 95 | 96 | 96 | 94 | 92 | 92 | 89 | 87 | 84 | 78 | 75 | 75 | 77 | 79 | |||||||||
| Surface Wind (mph) | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 16 | 15 | 15 | 14 | 13 | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 9 | 8 | 8 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SSW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | W | W | W | WNW | WNW | NW | NW | NW |
| Gust | 26 | 28 | 29 | 29 | 29 | 29 | 26 | 25 | 25 | 24 | 23 | 22 | 22 | 21 | 20 | 17 | 16 | 15 | 14 | 15 | 15 | 14 | 14 | |
| Sky Cover (%) | 65 | 69 | 68 | 65 | 64 | 71 | 78 | 92 | 92 | 92 | 93 | 89 | 86 | 82 | 79 | 76 | 74 | 71 | 68 | 65 | 55 | 45 | 35 | 31 |
| Precipitation Potential (%) | 12 | 24 | 24 | 24 | 41 | 41 | 41 | 84 | 84 | 84 | 84 | 84 | 84 | 44 | 44 | 44 | 17 | 17 | 17 | 9 | 9 | 9 | 9 | 9 |
| Relative Humidity (%) | 44 | 43 | 41 | 44 | 45 | 48 | 52 | 55 | 59 | 65 | 71 | 79 | 82 | 84 | 87 | 90 | 90 | 93 | 93 | 93 | 87 | 76 | 71 | 67 |
| Rain | -- | SChc | SChc | SChc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
| Thunder | -- | SChc | SChc | SChc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
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