| Point Forecast: Naplate IL 41.33N 88.88W |
Last Update: 1:21 pm CDT Jul 20, 2026 |
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| Date | 07/20 | 07/21 | ||||||||||||||||||||||
| Hour (CDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 80 | 81 | 83 | 84 | 84 | 83 | 81 | 81 | 79 | 78 | 77 | 76 | 75 | 75 | 74 | 73 | 73 | 73 | 75 | 77 | 81 | 82 | 83 | 84 |
| Dewpoint (°F) | 69 | 70 | 70 | 71 | 72 | 71 | 70 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 71 | 70 | 69 | 70 | 71 | 71 | 70 | 69 | 68 | 67 |
| Heat Index (°F) | 83 | 85 | 87 | 88 | 90 | 88 | 85 | 84 | 82 | 78 | 77 | 76 | 75 | 75 | 75 | 77 | 84 | 86 | 86 | 87 | ||||
| Surface Wind (mph) | 9 | 10 | 11 | 10 | 9 | 10 | 10 | 11 | 11 | 13 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 13 | 14 | 14 | 15 |
| Wind Dir | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | WSW | SW | WSW | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW |
| Gust | 16 | 18 | 18 | 16 | 16 | 16 | 17 | 18 | 18 | 21 | 21 | 21 | 21 | 21 | 18 | 17 | 17 | 17 | 18 | 21 | 22 | 23 | 23 | |
| Sky Cover (%) | 100 | 80 | 28 | 23 | 53 | 56 | 49 | 63 | 77 | 75 | 72 | 46 | 32 | 54 | 55 | 68 | 52 | 46 | 18 | 1 | 6 | 8 | 14 | 22 |
| Precipitation Potential (%) | 29 | 18 | 3 | 2 | 5 | 12 | 11 | 10 | 11 | 28 | 37 | 61 | 64 | 68 | 40 | 34 | 22 | 7 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 69 | 68 | 67 | 65 | 66 | 66 | 69 | 68 | 70 | 73 | 77 | 79 | 82 | 87 | 90 | 90 | 90 | 90 | 85 | 80 | 70 | 64 | 61 | 58 |
| Rain | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/22 | |||||||||||||||||||||||
| Hour (CDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 83 | 83 | 83 | 82 | 81 | 79 | 77 | 74 | 72 | 70 | 68 | 67 | 66 | 64 | 63 | 62 | 61 | 62 | 63 | 65 | 68 | 70 | 71 | 73 |
| Dewpoint (°F) | 66 | 66 | 66 | 65 | 64 | 63 | 62 | 62 | 61 | 60 | 60 | 59 | 58 | 57 | 56 | 55 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 53 |
| Heat Index (°F) | 85 | 85 | 85 | 83 | 82 | 81 | 77 | |||||||||||||||||
| Surface Wind (mph) | 16 | 16 | 16 | 16 | 15 | 13 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
| Gust | 24 | 25 | 25 | 24 | 23 | 21 | 21 | 20 | 18 | 17 | 16 | 16 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 16 | 16 |
| Sky Cover (%) | 14 | 22 | 20 | 9 | 13 | 21 | 17 | 3 | 17 | 27 | 24 | 15 | 2 | 3 | 4 | 19 | 14 | 17 | 0 | 2 | 3 | 6 | 8 | 11 |
| 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 (%) | 58 | 56 | 57 | 57 | 58 | 59 | 61 | 65 | 69 | 71 | 73 | 74 | 75 | 79 | 79 | 79 | 78 | 77 | 72 | 65 | 59 | 55 | 52 | 49 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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