| Point Forecast: 5 Miles NNW Lanark IL 42.17N 89.86W (Elev. 801 ft) |
Last Update: 10:31 pm CDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (CDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 75 | 73 | 72 | 71 | 71 | 70 | 70 | 70 | 71 | 73 | 76 | 80 | 82 | 85 | 85 | 86 | 86 | 84 | 83 | 82 | 78 | 76 | 74 | 72 |
| Dewpoint (°F) | 71 | 71 | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 72 | 73 | 74 | 74 | 74 | 74 | 74 | 75 | 75 | 75 | 74 | 73 | 73 | 72 | 71 |
| Heat Index (°F) | 75 | 76 | 85 | 88 | 93 | 93 | 94 | 95 | 92 | 90 | 88 | 78 | 76 | |||||||||||
| Surface Wind (mph) | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 6 | 6 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 25 | 24 | 13 | 15 | 20 | 36 | 49 | 51 | 50 | 46 | 49 | 32 | 28 | 27 | 36 | 49 | 62 | 67 | 57 | 60 | 67 | 73 | 57 | 40 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 5 | 7 | 1 | 1 | 4 | 7 | 18 | 28 | 35 | 43 | 50 | 57 | 58 | 59 | 59 | 59 | 59 |
| Relative Humidity (%) | 89 | 91 | 93 | 97 | 97 | 100 | 100 | 100 | 100 | 97 | 90 | 82 | 77 | 70 | 70 | 68 | 70 | 74 | 77 | 77 | 85 | 90 | 93 | 97 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (CDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 71 | 70 | 69 | 68 | 68 | 67 | 66 | 65 | 64 | 64 | 65 | 66 | 67 | 69 | 70 | 71 | 71 | 71 | 71 | 70 | 69 | 67 | 65 | 63 |
| Dewpoint (°F) | 70 | 69 | 69 | 68 | 67 | 66 | 65 | 65 | 64 | 63 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 63 | 62 | 62 | 61 | 61 | 60 | 60 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 6 | 6 |
| Wind Dir | W | W | W | W | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | N | NE | NE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 40 | 46 | 52 | 63 | 73 | 84 | 83 | 81 | 80 | 81 | 82 | 83 | 84 | 84 | 85 | 81 | 78 | 74 | 74 | 75 | 75 | 61 | 46 | 32 |
| Precipitation Potential (%) | 59 | 59 | 31 | 31 | 31 | 31 | 31 | 31 | 17 | 17 | 17 | 17 | 17 | 17 | 11 | 11 | 11 | 11 | 11 | 11 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 97 | 97 | 100 | 100 | 97 | 97 | 97 | 100 | 100 | 97 | 93 | 90 | 87 | 84 | 81 | 79 | 79 | 76 | 73 | 76 | 76 | 81 | 84 | 90 |
| Rain | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Lkly | Lkly | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
