| Point Forecast: Saint Charles IL 41.9N 88.32W |
Last Update: 1:20 am CDT Jul 11, 2026 |
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| Date | 07/11 | 07/12 | ||||||||||||||||||||||
| Hour (CDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 66 | 65 | 65 | 64 | 65 | 66 | 70 | 74 | 78 | 80 | 82 | 83 | 84 | 84 | 83 | 83 | 82 | 80 | 77 | 73 | 70 | 69 | 67 | 66 |
| Dewpoint (°F) | 62 | 61 | 60 | 60 | 60 | 61 | 64 | 66 | 68 | 68 | 67 | 66 | 64 | 64 | 63 | 62 | 62 | 61 | 61 | 60 | 59 | 59 | 59 | 60 |
| Heat Index (°F) | 78 | 83 | 85 | 85 | 85 | 85 | 84 | 84 | 82 | 81 | 77 | |||||||||||||
| Surface Wind (mph) | 3 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 8 | 9 | 10 | 10 | 11 | 10 | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 5 |
| Wind Dir | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE | NE | ENE | ENE | ENE | ENE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE |
| Gust | 11 | 13 | 14 | 15 | 16 | 17 | 17 | 17 | 17 | 16 | 15 | 14 | 13 | 11 | 11 | 11 | ||||||||
| Sky Cover (%) | 100 | 100 | 89 | 78 | 67 | 56 | 55 | 53 | 51 | 43 | 36 | 28 | 27 | 26 | 25 | 18 | 11 | 5 | 6 | 6 | 7 | 6 | 5 | 4 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 86 | 87 | 86 | 86 | 82 | 84 | 82 | 76 | 72 | 66 | 61 | 56 | 52 | 51 | 50 | 50 | 51 | 54 | 58 | 63 | 68 | 72 | 75 | 79 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/13 | |||||||||||||||||||||||
| Hour (CDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 65 | 65 | 64 | 64 | 64 | 67 | 71 | 75 | 79 | 82 | 84 | 85 | 86 | 86 | 85 | 85 | 84 | 82 | 78 | 74 | 70 | 68 | 66 | 65 |
| Dewpoint (°F) | 60 | 60 | 61 | 61 | 62 | 63 | 64 | 65 | 64 | 64 | 62 | 61 | 60 | 59 | 59 | 58 | 57 | 57 | 57 | 56 | 56 | 56 | 56 | 56 |
| Heat Index (°F) | 75 | 81 | 83 | 84 | 85 | 86 | 85 | 85 | 84 | 83 | 81 | 78 | ||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 5 | 3 | 2 | 2 | 1 | 1 |
| Wind Dir | NE | NE | NE | NE | NE | NE | NE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 5 | 5 | 5 | 6 | 7 | 8 | 6 | 4 | 2 | 3 | 5 | 6 | 5 | 4 | 4 | 5 | 5 | 6 | 0 | 2 | 4 | 4 | 3 | 3 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 83 | 86 | 90 | 91 | 92 | 88 | 79 | 70 | 61 | 54 | 49 | 45 | 42 | 41 | 40 | 40 | 41 | 43 | 49 | 54 | 60 | 65 | 69 | 73 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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