| Point Forecast: 3 Miles WNW Geneva IL 41.91N 88.38W |
Last Update: 3:31 pm CDT Aug 19, 2026 |
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| Date | 08/19 | 08/20 | ||||||||||||||||||||||
| Hour (CDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 78 | 78 | 76 | 73 | 70 | 68 | 68 | 64 | 64 | 63 | 62 | 61 | 60 | 59 | 58 | 59 | 63 | 70 | 73 | 75 | 76 | 78 | 78 | 78 |
| Dewpoint (°F) | 68 | 67 | 67 | 65 | 66 | 64 | 62 | 61 | 60 | 60 | 59 | 58 | 57 | 56 | 56 | 56 | 58 | 62 | 62 | 61 | 61 | 61 | 61 | 61 |
| Heat Index (°F) | 79 | 78 | 76 | 75 | 76 | 78 | 78 | 78 | ||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 6 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 1 | 2 | 3 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE | ENE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 57 | 65 | 71 | 78 | 70 | 57 | 49 | 23 | 22 | 40 | 39 | 32 | 23 | 26 | 13 | 10 | 7 | 11 | 13 | 4 | 1 | 2 | 3 | 3 |
| Precipitation Potential (%) | 11 | 15 | 9 | 5 | 4 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 70 | 70 | 73 | 76 | 86 | 89 | 82 | 91 | 89 | 89 | 89 | 89 | 89 | 91 | 91 | 90 | 85 | 76 | 68 | 62 | 59 | 56 | 56 | 56 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/21 | |||||||||||||||||||||||
| Hour (CDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 79 | 79 | 77 | 75 | 71 | 68 | 66 | 64 | 63 | 61 | 60 | 59 | 59 | 58 | 58 | 60 | 65 | 70 | 72 | 75 | 77 | 78 | 79 | 79 |
| Dewpoint (°F) | 61 | 61 | 62 | 61 | 61 | 60 | 59 | 58 | 58 | 58 | 58 | 58 | 57 | 57 | 57 | 59 | 62 | 64 | 66 | 67 | 68 | 69 | 70 | 70 |
| Heat Index (°F) | 80 | 79 | 77 | 75 | 75 | 77 | 78 | 79 | 79 | |||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 9 | 9 | 9 | 9 |
| Wind Dir | NE | ENE | E | SE | ESE | ESE | SE | SE | SSE | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW |
| Gust | 13 | 15 | 16 | 16 | 16 | |||||||||||||||||||
| Sky Cover (%) | 5 | 7 | 24 | 43 | 31 | 12 | 20 | 14 | 14 | 38 | 20 | 25 | 42 | 51 | 53 | 47 | 50 | 46 | 42 | 40 | 38 | 36 | 43 | 49 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 11 | 11 | 11 | 11 | 11 | 11 | 57 | 57 | 57 |
| Relative Humidity (%) | 55 | 55 | 58 | 63 | 70 | 74 | 78 | 82 | 86 | 89 | 92 | 95 | 94 | 95 | 98 | 96 | 89 | 83 | 80 | 78 | 75 | 74 | 74 | 75 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc |
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