| Point Forecast: Chicago Rockford International Airport IL 42.19N 89.09W |
Last Update: 3:26 am CDT May 8, 2024 |
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| Date | 05/08 | 05/09 | ||||||||||||||||||||||
| 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) | 51 | 52 | 52 | 51 | 53 | 58 | 64 | 69 | 72 | 75 | 76 | 77 | 78 | 78 | 77 | 75 | 71 | 67 | 62 | 59 | 57 | 56 | 54 | 53 |
| Dewpoint (°F) | 47 | 47 | 48 | 48 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 49 | 48 | 48 | 49 | 50 | 51 | 50 | 49 | 48 | 48 | 48 | 48 | 48 |
| Heat Index (°F) | 75 | 76 | 77 | 78 | 78 | 77 | 75 | |||||||||||||||||
| Surface Wind (mph) | 2 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 9 | 9 | 10 | 10 | 11 | 14 | 16 | 17 | 17 | 16 | 15 | 14 |
| Wind Dir | SSW | S | SSW | S | SW | E | S | SSE | SSE | ESE | E | E | E | E | E | E | ENE | E | E | E | E | E | E | ENE |
| Gust | 15 | 16 | 18 | 22 | 24 | 25 | 25 | 25 | 24 | 23 | ||||||||||||||
| Sky Cover (%) | 28 | 29 | 36 | 43 | 50 | 43 | 37 | 30 | 28 | 25 | 23 | 25 | 27 | 29 | 37 | 46 | 54 | 61 | 69 | 76 | 79 | 83 | 87 | 89 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 6 | 21 | 36 | 51 | 57 | 56 | 75 | 75 |
| Relative Humidity (%) | 86 | 83 | 86 | 89 | 86 | 72 | 60 | 51 | 46 | 41 | 40 | 37 | 35 | 35 | 37 | 41 | 49 | 54 | 62 | 67 | 72 | 74 | 80 | 83 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Lkly | Lkly | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc |
| Date | 05/10 | |||||||||||||||||||||||
| 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) | 53 | 52 | 52 | 51 | 52 | 52 | 52 | 54 | 55 | 56 | 58 | 59 | 59 | 59 | 60 | 60 | 57 | 55 | 53 | 51 | 50 | 49 | 48 | 47 |
| Dewpoint (°F) | 49 | 49 | 48 | 48 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 45 | 44 | 44 | 43 | 43 | 43 | 42 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 14 | 13 | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | ENE | ENE | ENE | NE | NE | NE | NE | NE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | N | N | N | N | N | N |
| Gust | 22 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 21 | 17 | 14 | 13 | ||||||
| Sky Cover (%) | 91 | 93 | 92 | 90 | 88 | 90 | 92 | 95 | 92 | 90 | 88 | 89 | 90 | 91 | 84 | 77 | 70 | 66 | 61 | 57 | 49 | 41 | 33 | 34 |
| Precipitation Potential (%) | 75 | 70 | 70 | 70 | 63 | 63 | 63 | 63 | 63 | 63 | 60 | 60 | 60 | 60 | 60 | 60 | 10 | 10 | 10 | 10 | 10 | 10 | 4 | 4 |
| Relative Humidity (%) | 86 | 89 | 86 | 89 | 83 | 83 | 83 | 77 | 74 | 72 | 67 | 64 | 62 | 62 | 60 | 60 | 67 | 69 | 71 | 77 | 77 | 80 | 83 | 83 |
| Rain | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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