| Point Forecast: Peru IL 41.32N 89.14W |
Last Update: 5:41 pm CDT Jul 16, 2025 |
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| Date | 07/16 | 07/17 | ||||||||||||||||||||||
| Hour (CDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 82 | 82 | 81 | 78 | 76 | 75 | 74 | 73 | 72 | 71 | 70 | 69 | 68 | 69 | 70 | 71 | 72 | 73 | 73 | 74 | 74 | 75 | 75 | 76 |
| Dewpoint (°F) | 73 | 72 | 71 | 71 | 70 | 70 | 69 | 68 | 68 | 67 | 67 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 65 |
| Heat Index (°F) | 87 | 86 | 84 | 78 | 76 | 75 | 75 | 75 | 76 | |||||||||||||||
| Surface Wind (mph) | 13 | 10 | 10 | 10 | 10 | 10 | 9 | 7 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Wind Dir | WSW | WSW | WSW | W | W | W | W | W | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | N |
| Gust | 21 | 18 | 17 | 16 | 15 | 15 | 15 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | |||||||||
| Sky Cover (%) | 63 | 63 | 67 | 58 | 40 | 40 | 40 | 41 | 48 | 55 | 63 | 68 | 73 | 78 | 80 | 82 | 84 | 81 | 78 | 76 | 74 | 72 | 70 | 69 |
| Precipitation Potential (%) | 14 | 14 | 14 | 13 | 13 | 12 | 11 | 11 | 9 | 9 | 8 | 10 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 6 | 6 |
| Relative Humidity (%) | 74 | 73 | 73 | 77 | 83 | 83 | 84 | 86 | 87 | 88 | 89 | 90 | 92 | 89 | 87 | 85 | 83 | 81 | 79 | 77 | 76 | 74 | 73 | 71 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/18 | |||||||||||||||||||||||
| Hour (CDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 74 | 74 | 71 | 68 | 67 | 66 | 65 | 64 | 63 | 62 | 62 | 61 | 61 | 62 | 64 | 67 | 70 | 73 | 75 | 77 | 79 | 80 | 81 | 82 |
| Dewpoint (°F) | 65 | 64 | 64 | 63 | 62 | 60 | 59 | 58 | 57 | 57 | 57 | 56 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 64 | 65 | 66 |
| Heat Index (°F) | 75 | 77 | 79 | 82 | 83 | 84 | ||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | N | NNE | NNE | NE | NE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | E | E | E | ESE | SE | SE | SSE | SSE | SSE |
| Gust | 13 | 13 | ||||||||||||||||||||||
| Sky Cover (%) | 67 | 66 | 67 | 69 | 71 | 68 | 65 | 63 | 61 | 58 | 57 | 52 | 48 | 44 | 41 | 39 | 38 | 40 | 42 | 45 | 45 | 46 | 46 | 50 |
| Precipitation Potential (%) | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 10 | 10 | 10 | 10 | 10 |
| Relative Humidity (%) | 73 | 73 | 76 | 82 | 84 | 83 | 83 | 83 | 83 | 83 | 84 | 85 | 85 | 83 | 79 | 75 | 70 | 66 | 63 | 61 | 59 | 58 | 57 | 58 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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