| Point Forecast: Long Lake IL 42.38N 88.14W |
Last Update: 3:55 am CDT Jul 18, 2026 |
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| Date | 07/18 | 07/19 | ||||||||||||||||||||||
| Hour (CDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 76 | 79 | 83 | 85 | 87 | 88 | 88 | 88 | 88 | 87 | 86 | 83 | 80 | 76 | 72 | 70 | 68 | 67 | 66 | 65 | 64 | 64 | 63 | 63 |
| Dewpoint (°F) | 72 | 73 | 73 | 74 | 74 | 74 | 73 | 72 | 70 | 69 | 69 | 68 | 68 | 67 | 66 | 65 | 64 | 63 | 62 | 62 | 62 | 62 | 62 | 62 |
| Heat Index (°F) | 76 | 79 | 88 | 92 | 95 | 97 | 96 | 95 | 93 | 91 | 89 | 86 | 82 | 76 | ||||||||||
| Surface Wind (mph) | 10 | 11 | 11 | 13 | 13 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 3 | 2 | 2 | 2 |
| Wind Dir | WSW | W | W | W | WNW | WNW | NW | NW | N | N | NNE | NE | NE | NE | NE | NE | NE | NE | NNE | NNE | NNE | NNE | NNE | NNE |
| Gust | 22 | 23 | 23 | 23 | 22 | 20 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 13 | 11 | 10 | ||||
| Sky Cover (%) | 50 | 49 | 47 | 39 | 50 | 53 | 50 | 44 | 36 | 32 | 31 | 20 | 13 | 15 | 21 | 21 | 17 | 19 | 18 | 14 | 13 | 24 | 22 | 20 |
| Precipitation Potential (%) | 13 | 17 | 16 | 23 | 23 | 17 | 17 | 11 | 8 | 12 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 89 | 81 | 73 | 69 | 67 | 65 | 62 | 58 | 55 | 56 | 57 | 62 | 66 | 72 | 81 | 86 | 88 | 87 | 89 | 90 | 93 | 95 | 97 | 97 |
| Rain | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/20 | |||||||||||||||||||||||
| Hour (CDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 65 | 69 | 72 | 75 | 77 | 78 | 79 | 80 | 81 | 80 | 80 | 79 | 77 | 74 | 70 | 67 | 65 | 64 | 64 | 64 | 63 | 63 | 63 | 64 |
| Dewpoint (°F) | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 62 | 61 | 61 | 60 | 60 | 60 | 60 | 61 | 61 | 61 | 61 | 61 | 61 | 62 | 62 |
| Heat Index (°F) | 75 | 77 | 79 | 81 | 82 | 82 | 82 | 81 | 79 | 77 | ||||||||||||||
| Surface Wind (mph) | 2 | 3 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 |
| Wind Dir | NNE | NE | ENE | E | E | E | E | E | E | E | E | E | E | E | ESE | ESE | SE | SSE | SSE | S | S | SSW | SSW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 21 | 21 | 21 | 16 | 14 | 21 | 23 | 8 | 7 | 10 | 5 | 4 | 5 | 6 | 8 | 16 | 19 | 23 | 26 | 27 | 29 | 30 | 32 | 33 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 93 | 83 | 75 | 70 | 66 | 62 | 60 | 55 | 54 | 54 | 53 | 54 | 56 | 63 | 72 | 80 | 86 | 89 | 91 | 92 | 93 | 95 | 96 | 95 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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