| Point Forecast: Cahokia IL 38.55N 90.15W (Elev. 124 m) |
Last Update: 3:37 am CDT Sep 25, 2024 |
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| Date | 09/25 | 09/26 | ||||||||||||||||||||||
| Hour (CDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 14 | 14 | 14 | 14 | 17 | 20 | 22 | 23 | 24 | 24 | 24 | 25 | 24 | 24 | 22 | 20 | 19 | 18 | 17 | 17 | 16 | 14 | 14 | 14 |
| Dewpoint (°C) | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 15 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 |
| Heat Index (°C) | 24 | 24 | 24 | 25 | 24 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 1 | 2 | 2 | 3 | 5 | 6 | 6 | 7 | 7 | 7 | 6 | 5 | 5 | 3 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | W | W | W | NW | NW | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 56 | 48 | 40 | 38 | 35 | 31 | 23 | 20 | 28 | 41 | 48 | 53 | 53 | 47 | 46 | 33 | 35 | 30 | 15 | 15 | 13 | 13 | 11 | 23 |
| Precipitation Potential (%) | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 5 | 9 | 11 | 14 | 15 | 14 | 11 | 10 | 9 | 7 | 5 | 3 | 3 | 2 | 4 | 4 | 4 |
| Relative Humidity (%) | 96 | 96 | 100 | 100 | 87 | 76 | 68 | 59 | 58 | 56 | 56 | 52 | 56 | 55 | 64 | 73 | 75 | 81 | 84 | 84 | 87 | 96 | 93 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/27 | |||||||||||||||||||||||
| Hour (CDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 14 | 14 | 13 | 14 | 18 | 21 | 23 | 24 | 25 | 26 | 26 | 26 | 24 | 23 | 22 | 21 | 21 | 19 | 19 | 19 | 19 | 19 | 18 | 18 |
| Dewpoint (°C) | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 |
| Heat Index (°C) | 24 | 25 | 26 | 26 | 26 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 3 | 5 | 6 | 6 | 7 | 9 | 10 | 11 | 11 | 11 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 10 |
| Wind Dir | N | N | N | N | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 27 | 29 | 24 | 26 | 28 | 28 | 27 | 29 | 33 | 37 | 38 | 40 | 46 | 53 | 60 | 61 | 62 | 63 | 69 | 74 | 80 | 82 | 84 | 86 |
| Precipitation Potential (%) | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 5 | 6 | 9 | 11 | 14 | 16 | 32 | 32 | 32 | 32 | 32 | 32 | 46 | 46 | 46 | 46 |
| Relative Humidity (%) | 96 | 93 | 100 | 96 | 81 | 66 | 59 | 55 | 52 | 50 | 50 | 50 | 54 | 59 | 64 | 71 | 73 | 81 | 81 | 87 | 87 | 87 | 90 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
