| Point Forecast: Pontiac IL 40.89N 88.62W |
Last Update: 5:36 am CDT Jul 21, 2026 |
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| Date | 07/21 | 07/22 | ||||||||||||||||||||||
| 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 (°F) | 75 | 74 | 75 | 76 | 78 | 79 | 81 | 82 | 84 | 84 | 84 | 84 | 83 | 80 | 77 | 74 | 71 | 68 | 67 | 66 | 66 | 66 | 65 | 65 |
| Dewpoint (°F) | 74 | 72 | 72 | 71 | 70 | 70 | 69 | 68 | 67 | 66 | 65 | 64 | 63 | 62 | 61 | 60 | 58 | 56 | 55 | 55 | 59 | 62 | 62 | 61 |
| Heat Index (°F) | 75 | 75 | 76 | 78 | 82 | 84 | 86 | 86 | 86 | 86 | 85 | 84 | 82 | 77 | ||||||||||
| Surface Wind (mph) | 8 | 8 | 9 | 11 | 11 | 11 | 13 | 14 | 16 | 16 | 16 | 16 | 15 | 15 | 13 | 10 | 8 | 9 | 9 | 9 | 6 | 7 | 7 | 9 |
| Wind Dir | WSW | W | W | W | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW | N | N | N | NNE | NNE |
| Gust | 18 | 17 | 16 | 16 | 18 | 20 | 21 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 13 | 15 | 15 | 16 | 15 | 16 | 16 | 17 | |
| Sky Cover (%) | 87 | 74 | 56 | 48 | 31 | 31 | 31 | 31 | 31 | 29 | 30 | 50 | 47 | 42 | 31 | 37 | 27 | 23 | 29 | 29 | 31 | 34 | 38 | 37 |
| Precipitation Potential (%) | 34 | 34 | 17 | 17 | 17 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
| Relative Humidity (%) | 96 | 96 | 92 | 85 | 79 | 72 | 67 | 62 | 58 | 54 | 52 | 51 | 51 | 54 | 57 | 61 | 65 | 65 | 65 | 68 | 78 | 87 | 88 | 86 |
| Rain | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/23 | |||||||||||||||||||||||
| 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 (°F) | 64 | 62 | 62 | 62 | 64 | 65 | 67 | 67 | 68 | 68 | 68 | 69 | 69 | 69 | 67 | 65 | 63 | 61 | 59 | 57 | 56 | 56 | 55 | 54 |
| Dewpoint (°F) | 60 | 58 | 56 | 55 | 54 | 53 | 53 | 52 | 52 | 51 | 51 | 51 | 51 | 52 | 51 | 53 | 52 | 52 | 51 | 51 | 50 | 51 | 51 | 51 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 13 | 11 | 11 | 11 | 10 | 9 | 9 | 7 | 5 | 5 | 3 | 2 | 1 | 1 | 0 | 0 | 0 |
| Wind Dir | NNE | N | N | N | N | N | N | N | N | N | N | N | N | N | N | NNW | NNW | N | N | N | N | N | N | N |
| Gust | 17 | 16 | 16 | 15 | 15 | 17 | 17 | 18 | 17 | 16 | 16 | 16 | 15 | 17 | 16 | 13 | ||||||||
| Sky Cover (%) | 33 | 26 | 19 | 15 | 12 | 14 | 24 | 25 | 26 | 35 | 44 | 48 | 43 | 36 | 41 | 29 | 18 | 11 | 7 | 4 | 2 | 2 | 2 | 2 |
| Precipitation Potential (%) | 1 | 1 | 7 | 7 | 7 | 0 | 0 | 0 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 87 | 84 | 81 | 77 | 70 | 65 | 62 | 59 | 57 | 55 | 53 | 53 | 53 | 54 | 56 | 65 | 69 | 72 | 76 | 79 | 81 | 83 | 86 | 88 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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