| Point Forecast: Danville IL 40.14N 87.63W (Elev. 633 ft) |
Last Update: 8:11 am CDT Sep 16, 2026 |
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| Date | 09/16 | 09/17 | ||||||||||||||||||||||
| Hour (CDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°F) | 74 | 77 | 80 | 82 | 84 | 86 | 87 | 87 | 88 | 87 | 86 | 83 | 77 | 75 | 74 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 71 |
| Dewpoint (°F) | 72 | 73 | 74 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 72 | 72 | 71 | 71 | 71 | 71 | 70 | 70 | 70 |
| Heat Index (°F) | 77 | 85 | 89 | 91 | 94 | 95 | 95 | 97 | 95 | 94 | 89 | 77 | 75 | |||||||||||
| Surface Wind (mph) | 5 | 5 | 3 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Wind Dir | NNE | E | ESE | SSE | SSW | SW | W | WNW | NW | NNW | N | NE | NE | E | E | E | N | ESE | E | SSE | S | SSW | WSW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 84 | 76 | 69 | 68 | 66 | 65 | 59 | 57 | 63 | 58 | 58 | 78 | 50 | 30 | 57 | 46 | 52 | 30 | 45 | 35 | 36 | 47 | 59 | 67 |
| Precipitation Potential (%) | 62 | 56 | 44 | 27 | 17 | 17 | 14 | 15 | 11 | 11 | 18 | 25 | 25 | 22 | 14 | 14 | 17 | 21 | 20 | 21 | 23 | 21 | 25 | 32 |
| Relative Humidity (%) | 93 | 88 | 82 | 79 | 72 | 68 | 65 | 65 | 63 | 65 | 68 | 72 | 88 | 94 | 97 | 97 | 97 | 93 | 93 | 93 | 97 | 93 | 93 | 97 |
| Rain | Lkly | Lkly | Chc | Chc | SChc | SChc | -- | SChc | -- | -- | SChc | Chc | Chc | SChc | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc |
| Thunder | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | SChc | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- |
| Date | 09/18 | |||||||||||||||||||||||
| Hour (CDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°F) | 74 | 76 | 81 | 83 | 86 | 88 | 88 | 89 | 88 | 87 | 85 | 81 | 77 | 74 | 73 | 72 | 71 | 70 | 69 | 69 | 69 | 68 | 67 | 67 |
| Dewpoint (°F) | 71 | 72 | 73 | 73 | 73 | 74 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 71 | 70 | 70 | 69 | 68 | 68 | 67 | 66 | 66 | 66 |
| Heat Index (°F) | 76 | 86 | 89 | 93 | 97 | 96 | 97 | 96 | 94 | 92 | 85 | 77 | ||||||||||||
| Surface Wind (mph) | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 |
| Wind Dir | NNW | NNW | NNW | NW | WNW | W | WNW | WNW | WNW | WNW | NNW | N | N | N | NNE | NNE | NNE | NNE | NNE | NE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 64 | 63 | 79 | 69 | 65 | 58 | 62 | 65 | 39 | 38 | 31 | 61 | 52 | 42 | 45 | 47 | 50 | 51 | 53 | 54 | 54 | 53 | 53 |
| Precipitation Potential (%) | 32 | 24 | 20 | 15 | 11 | 6 | 13 | 9 | 9 | 9 | 15 | 24 | 24 | 24 | 24 | 24 | 24 | 16 | 16 | 16 | 16 | 16 | 16 | 19 |
| Relative Humidity (%) | 90 | 87 | 77 | 72 | 65 | 63 | 61 | 59 | 61 | 63 | 67 | 74 | 85 | 93 | 93 | 93 | 97 | 97 | 97 | 97 | 93 | 93 | 97 | 97 |
| Rain | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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