| Point Forecast: Riverwoods IL 42.17N 87.89W |
Last Update: 1:46 am CDT Aug 14, 2026 |
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| Date | 08/14 | 08/15 | ||||||||||||||||||||||
| Hour (CDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°C) | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 23 | 22 | 22 | 22 | 22 | 22 | 22 |
| Dewpoint (°C) | 19 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 21 |
| Heat Index (°C) | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | |||||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 |
| Wind Dir | E | E | ENE | E | E | E | E | E | E | E | E | E | E | E | ENE | ENE | ENE | ENE | NE | NE | NE | ENE | ENE | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 95 | 95 | 94 | 93 | 92 | 88 | 84 | 81 | 80 | 75 | 68 | 63 | 62 | 64 | 65 | 62 | 60 | 60 | 58 | 60 | 62 | 66 | 73 | 67 |
| Precipitation Potential (%) | 21 | 18 | 15 | 15 | 15 | 14 | 13 | 14 | 20 | 21 | 21 | 19 | 15 | 13 | 12 | 11 | 11 | 12 | 18 | 19 | 22 | 24 | 32 | 34 |
| Relative Humidity (%) | 95 | 94 | 94 | 94 | 94 | 91 | 88 | 84 | 81 | 80 | 81 | 81 | 81 | 77 | 76 | 75 | 76 | 84 | 86 | 88 | 89 | 90 | 92 | 95 |
| Rain | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | Chc | Chc |
| Thunder | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | Chc | Chc |
| Date | 08/16 | |||||||||||||||||||||||
| Hour (CDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°C) | 22 | 22 | 21 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 24 | 24 | 24 | 24 |
| Dewpoint (°C) | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Heat Index (°C) | 24 | 24 | 24 | 24 | 26 | 28 | 30 | 31 | 31 | 29 | 26 | 25 | 24 | 24 | 24 | 24 | ||||||||
| Surface Wind (mph) | 6 | 6 | 7 | 7 | 7 | 9 | 11 | 10 | 10 | 11 | 11 | 10 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 6 | 5 | 5 | 5 | 5 |
| Wind Dir | E | ESE | ESE | SE | SE | SSE | SE | SE | SE | SSE | SSE | SSE | S | SSE | S | S | SSW | SW | WSW | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 66 | 68 | 75 | 84 | 86 | 83 | 84 | 88 | 93 | 95 | 96 | 97 | 95 | 92 | 84 | 74 | 64 | 55 | 52 | 56 | 63 | 68 | 72 | 76 |
| Precipitation Potential (%) | 39 | 49 | 61 | 65 | 70 | 75 | 75 | 75 | 85 | 85 | 85 | 83 | 77 | 71 | 66 | 61 | 54 | 40 | 40 | 40 | 40 | 40 | 40 | 57 |
| Relative Humidity (%) | 95 | 96 | 99 | 97 | 98 | 99 | 96 | 95 | 95 | 94 | 94 | 92 | 89 | 87 | 87 | 84 | 85 | 87 | 90 | 94 | 98 | 100 | 100 | 100 |
| Rain | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
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