| Point Forecast: Havana IL 40.29N 90.07W (Elev. 131 m) |
Last Update: 3:12 am CDT May 21, 2025 |
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| Date | 05/21 | 05/22 | ||||||||||||||||||||||
| Hour (CDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°C) | 14 | 13 | 12 | 12 | 12 | 14 | 14 | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 15 | 14 | 12 | 12 | 11 | 9 | 9 | 9 |
| Dewpoint (°C) | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 11 | 11 | 14 | 15 | 15 | 15 | 16 | 16 | 15 | 16 | 16 | 15 | 15 | 14 | 11 | 10 | 9 | 8 | 7 | 7 | 7 | 7 | 8 |
| Wind Dir | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | WNW | WNW | WNW | WNW | WNW |
| Gust | 24 | 25 | 26 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 26 | 26 | 25 | |||||||||
| Sky Cover (%) | 90 | 90 | 91 | 92 | 91 | 91 | 90 | 90 | 89 | 88 | 83 | 78 | 73 | 72 | 72 | 71 | 64 | 58 | 51 | 44 | 38 | 31 | 33 | 36 |
| Precipitation Potential (%) | 8 | 8 | 3 | 8 | 6 | 4 | 3 | 5 | 6 | 8 | 7 | 7 | 6 | 7 | 7 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 |
| Relative Humidity (%) | 80 | 83 | 86 | 89 | 86 | 77 | 77 | 72 | 69 | 62 | 65 | 62 | 62 | 62 | 60 | 58 | 67 | 72 | 80 | 80 | 86 | 89 | 93 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/23 | |||||||||||||||||||||||
| Hour (CDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°C) | 9 | 8 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 16 | 17 | 17 | 17 | 16 | 14 | 13 | 11 | 10 | 9 | 9 | 8 | 8 |
| Dewpoint (°C) | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 9 | 8 | 7 | 6 | 5 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NNW | NNW | NW | NW | NW | NW | NW | NW | WNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 38 | 51 | 64 | 77 | 74 | 72 | 69 | 68 | 68 | 68 | 63 | 58 | 54 | 51 | 49 | 47 | 38 | 30 | 21 | 17 | 12 | 7 | 6 | 6 |
| Precipitation Potential (%) | 9 | 9 | 9 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 89 | 93 | 93 | 89 | 86 | 80 | 77 | 72 | 67 | 62 | 60 | 56 | 56 | 54 | 54 | 56 | 62 | 66 | 74 | 80 | 80 | 83 | 86 | 86 |
| Rain | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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