| Point Forecast: 2 Miles ESE Serena IL 41.48N 88.73W |
Last Update: 2:46 pm CDT Aug 17, 2026 |
 |
|
[show menu] |
| Date | 08/17 | 08/18 | ||||||||||||||||||||||
| Hour (CDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 78 | 78 | 78 | 77 | 74 | 72 | 70 | 68 | 67 | 66 | 65 | 63 | 63 | 63 | 62 | 62 | 63 | 66 | 70 | 73 | 75 | 76 | 77 | 79 |
| Dewpoint (°F) | 63 | 63 | 62 | 63 | 63 | 63 | 64 | 63 | 63 | 63 | 62 | 61 | 61 | 61 | 60 | 60 | 61 | 63 | 65 | 67 | 67 | 67 | 68 | 68 |
| Heat Index (°F) | 78 | 78 | 78 | 77 | 75 | 76 | 77 | 79 | ||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 7 | 6 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 9 | 10 | 10 |
| Wind Dir | NNW | NNW | NW | NW | WNW | W | W | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | W |
| Gust | 15 | 15 | 13 | 13 | 15 | 16 | 18 | 18 | ||||||||||||||||
| Sky Cover (%) | 31 | 30 | 31 | 33 | 22 | 16 | 15 | 10 | 11 | 18 | 21 | 27 | 30 | 24 | 29 | 35 | 43 | 43 | 44 | 49 | 62 | 73 | 78 | 68 |
| Precipitation Potential (%) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 | 4 | 4 | 6 | 4 | 8 |
| Relative Humidity (%) | 60 | 60 | 59 | 62 | 69 | 73 | 82 | 86 | 89 | 90 | 91 | 94 | 94 | 94 | 95 | 95 | 94 | 90 | 84 | 80 | 76 | 74 | 73 | 70 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/19 | |||||||||||||||||||||||
| Hour (CDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 77 | 78 | 77 | 76 | 75 | 73 | 72 | 71 | 70 | 70 | 69 | 68 | 68 | 67 | 67 | 66 | 67 | 68 | 70 | 72 | 73 | 75 | 76 | 77 |
| Dewpoint (°F) | 69 | 69 | 69 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 67 | 67 | 66 | 66 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 65 | 65 |
| Heat Index (°F) | 77 | 78 | 77 | 76 | 75 | 75 | 76 | 77 | ||||||||||||||||
| Surface Wind (mph) | 10 | 9 | 8 | 8 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 |
| Wind Dir | WSW | WSW | WSW | SW | WSW | SW | SW | WSW | WSW | W | W | W | W | WNW | NNW | NNW | NNW | N | N | NNW | NNW | N | N | N |
| Gust | 18 | 17 | 16 | 15 | 13 | 10 | ||||||||||||||||||
| Sky Cover (%) | 72 | 67 | 68 | 73 | 55 | 42 | 44 | 49 | 60 | 59 | 52 | 54 | 55 | 48 | 48 | 52 | 40 | 40 | 49 | 57 | 54 | 51 | 48 | 51 |
| Precipitation Potential (%) | 16 | 25 | 26 | 23 | 60 | 60 | 60 | 60 | 60 | 60 | 41 | 41 | 41 | 41 | 41 | 41 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Relative Humidity (%) | 75 | 75 | 76 | 77 | 79 | 84 | 87 | 90 | 93 | 93 | 93 | 97 | 93 | 97 | 93 | 97 | 93 | 93 | 87 | 81 | 79 | 74 | 69 | 67 |
| Rain | SChc | Chc | Chc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | Chc | Chc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| ||||||||||