| Point Forecast: Marengo IL 42.24N 88.62W |
Last Update: 2:41 am CDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (CDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 62 | 62 | 62 | 62 | 64 | 69 | 73 | 76 | 78 | 80 | 82 | 82 | 83 | 84 | 84 | 83 | 82 | 78 | 75 | 72 | 70 | 69 | 68 | 67 |
| Dewpoint (°F) | 60 | 60 | 59 | 60 | 61 | 64 | 65 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 67 | 66 | 66 | 65 | 64 | 64 | 63 |
| Heat Index (°F) | 76 | 78 | 82 | 83 | 84 | 85 | 85 | 86 | 85 | 84 | 78 | 75 | ||||||||||||
| Surface Wind (mph) | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
| Wind Dir | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | WSW | WSW | SW | S | S | SSE | SSE | SSE | SSE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 3 | 5 | 4 | 7 | 6 | 5 | 2 | 1 | 3 | 9 | 12 | 8 | 6 | 6 | 5 | 4 | 4 | 5 | 4 | 4 | 2 | 3 | 3 | 5 |
| 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 (%) | 94 | 92 | 93 | 94 | 91 | 84 | 77 | 71 | 66 | 60 | 58 | 56 | 54 | 53 | 55 | 57 | 60 | 69 | 75 | 81 | 83 | 86 | 88 | 89 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (CDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 66 | 65 | 65 | 65 | 69 | 72 | 76 | 80 | 82 | 84 | 86 | 87 | 88 | 88 | 88 | 86 | 84 | 81 | 78 | 75 | 73 | 72 | 72 | 71 |
| Dewpoint (°F) | 63 | 62 | 62 | 61 | 64 | 67 | 69 | 70 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 72 | 71 | 71 | 70 | 70 | 70 | 70 |
| Heat Index (°F) | 76 | 84 | 87 | 89 | 91 | 93 | 94 | 94 | 94 | 93 | 91 | 86 | 78 | 75 | ||||||||||
| Surface Wind (mph) | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 7 | 7 | 6 | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | SSE | SSE | SSE | S | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | S | S | S |
| Gust | 11 | 11 | ||||||||||||||||||||||
| Sky Cover (%) | 7 | 15 | 14 | 21 | 13 | 24 | 24 | 3 | 17 | 18 | 18 | 17 | 15 | 14 | 14 | 13 | 13 | 18 | 22 | 27 | 25 | 23 | 21 | 24 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 |
| Relative Humidity (%) | 89 | 88 | 87 | 87 | 85 | 83 | 78 | 72 | 68 | 65 | 63 | 61 | 60 | 59 | 60 | 63 | 68 | 74 | 81 | 87 | 91 | 94 | 95 | 96 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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