| Point Forecast: 3 Miles NNE Vienna IL 37.44N 88.88W |
Last Update: 12:51 pm CDT Sep 4, 2026 |
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| Date | 09/04 | 09/05 | ||||||||||||||||||||||
| Hour (CDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 36 | 37 | 37 | 37 | 36 | 36 | 33 | 30 | 28 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 27 | 29 | 33 | 34 | 36 |
| Dewpoint (°C) | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 22 |
| Heat Index (°C) | 42 | 43 | 42 | 42 | 42 | 41 | 38 | 34 | 32 | 30 | 28 | 28 | 28 | 26 | 25 | 25 | 24 | 24 | 24 | 29 | 33 | 38 | 39 | 42 |
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 |
| Wind Dir | WNW | WNW | SSW | SSW | SSW | SSW | N | N | N | N | N | N | N | N | N | N | N | N | N | N | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 12 | 17 | 29 | 7 | 25 | 10 | 7 | 4 | 7 | 4 | 7 | 9 | 5 | 8 | 11 | 9 | 22 | 21 | 22 | 10 | 11 | 2 | 5 | 6 |
| Precipitation Potential (%) | 18 | 18 | 18 | 18 | 18 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 4 | 1 | 1 | 1 | 2 | 2 |
| Relative Humidity (%) | 47 | 44 | 43 | 43 | 44 | 46 | 56 | 65 | 72 | 77 | 79 | 79 | 79 | 79 | 82 | 83 | 85 | 85 | 89 | 80 | 72 | 58 | 51 | 44 |
| Rain | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/06 | |||||||||||||||||||||||
| Hour (CDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 37 | 37 | 38 | 37 | 36 | 35 | 32 | 29 | 28 | 27 | 26 | 26 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 27 | 29 | 31 | 33 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 |
| Heat Index (°C) | 42 | 43 | 43 | 41 | 41 | 40 | 37 | 32 | 31 | 29 | 28 | 26 | 25 | 24 | 24 | 24 | 24 | 29 | 33 | 35 | 36 | |||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 3 | 3 | 5 | 6 | 6 | 6 | 7 |
| Wind Dir | WNW | W | NNW | W | W | W | N | N | N | N | N | N | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 26 | 31 | 16 | 7 | 24 | 11 | 5 | 9 | 11 | 25 | 17 | 12 | 6 | 10 | 13 | 6 | 15 | 11 | 9 | 36 | 23 | 9 | 11 | 13 |
| Precipitation Potential (%) | 2 | 15 | 18 | 16 | 18 | 17 | 16 | 7 | 7 | 13 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 42 | 42 | 41 | 42 | 44 | 47 | 58 | 70 | 72 | 77 | 79 | 82 | 82 | 85 | 85 | 89 | 91 | 91 | 95 | 93 | 81 | 67 | 59 | 53 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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