| Point Forecast: 4 Miles NE Edwardsville IL 38.83N 89.91W (Elev. 499 ft) |
Last Update: 8:26 am CDT May 8, 2026 |
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| Date | 05/08 | 05/09 | ||||||||||||||||||||||
| Hour (CDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 60 | 64 | 66 | 68 | 70 | 71 | 72 | 72 | 70 | 68 | 65 | 62 | 61 | 60 | 59 | 58 | 57 | 55 | 54 | 53 | 52 | 52 | 53 | 56 |
| Dewpoint (°F) | 47 | 48 | 49 | 49 | 50 | 50 | 51 | 52 | 53 | 54 | 54 | 54 | 54 | 54 | 55 | 55 | 54 | 54 | 53 | 52 | 52 | 52 | 52 | 54 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 7 | 6 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 6 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | W | NW | NW | SW | S | SW | SW | SW | SW | SW | SW | SW | SW | W | SW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 42 | 63 | 61 | 60 | 58 | 59 | 60 | 61 | 69 | 77 | 86 | 88 | 90 | 93 | 82 | 71 | 60 | 59 | 57 | 55 | 57 | 60 | 62 | 38 |
| Precipitation Potential (%) | 6 | 8 | 10 | 11 | 12 | 20 | 27 | 43 | 56 | 76 | 91 | 79 | 67 | 52 | 38 | 21 | 5 | 3 | 0 | 0 | 0 | 1 | 0 | 0 |
| Relative Humidity (%) | 62 | 56 | 54 | 51 | 49 | 47 | 48 | 49 | 55 | 61 | 68 | 75 | 78 | 81 | 87 | 90 | 90 | 96 | 96 | 96 | 100 | 100 | 96 | 93 |
| Rain | -- | -- | -- | -- | -- | SChc | Chc | Chc | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/10 | |||||||||||||||||||||||
| Hour (CDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 62 | 66 | 69 | 72 | 75 | 77 | 77 | 78 | 79 | 77 | 76 | 72 | 68 | 65 | 63 | 63 | 62 | 61 | 59 | 58 | 57 | 56 | 56 | 57 |
| Dewpoint (°F) | 55 | 56 | 55 | 55 | 53 | 52 | 52 | 51 | 52 | 53 | 54 | 53 | 52 | 52 | 52 | 52 | 52 | 52 | 51 | 51 | 51 | 50 | 50 | 50 |
| Heat Index (°F) | 75 | 77 | 77 | 78 | 79 | 77 | 76 | |||||||||||||||||
| Surface Wind (mph) | 6 | 7 | 8 | 9 | 11 | 11 | 11 | 10 | 9 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 8 |
| Wind Dir | W | W | W | SW | W | W | W | W | W | W | SW | SW | SW | S | SW | SW | SW | W | NW | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 16 | 7 | 5 | 3 | 8 | 8 | 18 | 19 | 16 | 18 | 13 | 0 | 18 | 35 | 44 | 54 | 63 | 65 | 68 | 70 | 72 | 74 | 76 | 73 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 4 | 4 | 4 | 24 | 24 | 24 | 24 | 24 | 24 | 11 | 11 |
| Relative Humidity (%) | 78 | 70 | 61 | 55 | 46 | 42 | 42 | 39 | 39 | 43 | 46 | 51 | 57 | 63 | 67 | 67 | 70 | 72 | 75 | 77 | 80 | 80 | 80 | 77 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- |
