| Point Forecast: 3 Miles WNW Geneva IL 41.91N 88.38W |
Last Update: 6:36 pm CDT Sep 13, 2026 |
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| Date | 09/13 | 09/14 | ||||||||||||||||||||||
| 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 (°C) | 16 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 12 | 15 | 18 | 20 | 21 | 23 | 23 | 23 | 24 | 23 | 23 |
| Dewpoint (°C) | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 10 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Heat Index (°C) | 24 | |||||||||||||||||||||||
| Surface Wind (mph) | 7 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 3 | 5 | 7 | 9 | 11 | 11 | 13 | 13 | 14 | 14 | 14 |
| Wind Dir | NNW | NNW | NNW | NNW | NNW | NNW | NNW | N | N | N | N | N | NNE | NNE | ENE | E | ESE | SE | SSE | S | SSE | SSE | SSE | SSE |
| Gust | 21 | 22 | 22 | 23 | 23 | |||||||||||||||||||
| Sky Cover (%) | 32 | 21 | 12 | 10 | 9 | 6 | 9 | 6 | 8 | 10 | 11 | 14 | 13 | 12 | 13 | 23 | 37 | 49 | 57 | 57 | 61 | 69 | 65 | 59 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 10 | 13 | 17 | 19 |
| Relative Humidity (%) | 78 | 80 | 83 | 85 | 86 | 87 | 89 | 89 | 94 | 95 | 96 | 95 | 95 | 87 | 76 | 65 | 59 | 53 | 49 | 47 | 46 | 44 | 46 | 46 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/15 | |||||||||||||||||||||||
| 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 (°C) | 22 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 22 | 24 | 26 | 27 | 28 | 28 | 28 | 28 | 27 | 25 |
| Dewpoint (°C) | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 21 | 21 | 22 | 22 | 21 | 22 | 21 | 21 | 21 | 21 |
| Heat Index (°C) | 24 | 26 | 29 | 31 | 31 | 31 | 30 | 28 | 25 | |||||||||||||||
| Surface Wind (mph) | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 11 | 10 | 9 | 8 | 7 |
| Wind Dir | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SW | SW | WSW | WSW | W | W | W | NW |
| Gust | 24 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 28 | 28 | 25 | 23 | 22 | 21 | 21 | 22 | 22 | 22 | 21 | 18 | ||||
| Sky Cover (%) | 56 | 51 | 40 | 34 | 35 | 46 | 52 | 55 | 66 | 75 | 78 | 79 | 78 | 75 | 74 | 73 | 73 | 71 | 70 | 75 | 79 | 84 | 83 | 83 |
| Precipitation Potential (%) | 18 | 14 | 8 | 4 | 2 | 4 | 9 | 17 | 27 | 37 | 51 | 62 | 67 | 67 | 67 | 67 | 67 | 67 | 56 | 56 | 56 | 56 | 56 | 56 |
| Relative Humidity (%) | 49 | 54 | 56 | 58 | 61 | 64 | 66 | 70 | 72 | 75 | 79 | 84 | 91 | 92 | 88 | 80 | 76 | 71 | 66 | 66 | 66 | 68 | 71 | 77 |
| Rain | SChc | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc |
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