| Point Forecast: 3 Miles SSE Rockford IL 42.23N 89.03W |
Last Update: 4:36 am CDT May 20, 2026 |
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| Date | 05/20 | 05/21 | ||||||||||||||||||||||
| 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) | 49 | 52 | 55 | 56 | 58 | 60 | 61 | 62 | 63 | 64 | 64 | 62 | 60 | 55 | 51 | 48 | 46 | 45 | 44 | 43 | 42 | 41 | 42 | 42 |
| Dewpoint (°F) | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 38 | 36 | 34 | 34 | 33 | 33 | 32 | 33 | 33 | 34 | 35 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 11 | 10 | 10 | 9 | 9 | 10 | 10 | 11 | 13 | 14 | 13 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 11 |
| Wind Dir | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | NE | NE | ENE | ENE | ENE | ENE |
| Gust | 16 | 16 | 16 | 15 | 14 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 20 | 20 | 20 | ||||||||
| Sky Cover (%) | 41 | 40 | 39 | 38 | 39 | 40 | 40 | 43 | 46 | 49 | 45 | 41 | 37 | 37 | 37 | 37 | 32 | 27 | 22 | 23 | 23 | 24 | 36 | 48 |
| Precipitation Potential (%) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 74 | 64 | 57 | 54 | 51 | 48 | 46 | 44 | 42 | 41 | 42 | 43 | 46 | 51 | 56 | 59 | 60 | 63 | 65 | 66 | 70 | 73 | 74 | 76 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/22 | |||||||||||||||||||||||
| 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) | 44 | 48 | 52 | 55 | 58 | 60 | 62 | 63 | 63 | 63 | 62 | 62 | 60 | 57 | 53 | 50 | 49 | 48 | 48 | 48 | 47 | 47 | 46 | 47 |
| Dewpoint (°F) | 36 | 37 | 38 | 40 | 40 | 40 | 40 | 39 | 39 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 39 | 40 | 40 | 40 | 41 | 41 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 13 | 13 | 11 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 13 |
| Wind Dir | ENE | ENE | E | E | E | E | E | E | E | E | E | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | E |
| Gust | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 20 |
| Sky Cover (%) | 60 | 59 | 58 | 57 | 64 | 70 | 77 | 70 | 64 | 57 | 59 | 62 | 64 | 69 | 74 | 79 | 80 | 80 | 81 | 82 | 84 | 85 | 83 | 82 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 6 | 6 | 6 | 6 |
| Relative Humidity (%) | 73 | 67 | 61 | 56 | 52 | 47 | 44 | 42 | 40 | 39 | 39 | 40 | 42 | 47 | 54 | 60 | 65 | 68 | 71 | 74 | 76 | 79 | 80 | 80 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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