| Point Forecast: Decatur Airport IL 39.84N 88.88W (Elev. 650 ft) |
Last Update: 6:42 am CDT May 4, 2024 |
 |
|
[show menu] |
| Date | 05/04 | 05/05 | ||||||||||||||||||||||
| Hour (CDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 54 | 55 | 61 | 65 | 70 | 75 | 80 | 81 | 82 | 83 | 83 | 83 | 82 | 77 | 74 | 69 | 68 | 66 | 64 | 61 | 60 | 59 | 56 | 56 |
| Dewpoint (°F) | 52 | 54 | 57 | 60 | 62 | 63 | 62 | 62 | 62 | 62 | 61 | 61 | 62 | 63 | 62 | 63 | 63 | 62 | 60 | 59 | 58 | 57 | 55 | 54 |
| Heat Index (°F) | 75 | 81 | 82 | 83 | 84 | 83 | 83 | 83 | 77 | |||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 9 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 |
| Wind Dir | E | E | ESE | SE | S | S | S | S | SSW | SSW | SW | SSW | SW | WSW | WSW | W | W | WNW | WNW | NW | NW | NW | NNW | NNW |
| Gust | 15 | 15 | 15 | 15 | 15 | |||||||||||||||||||
| Sky Cover (%) | 18 | 24 | 31 | 34 | 36 | 36 | 35 | 35 | 33 | 32 | 30 | 44 | 58 | 72 | 74 | 76 | 78 | 75 | 71 | 68 | 72 | 76 | 80 | 74 |
| Precipitation Potential (%) | 0 | 7 | 7 | 7 | 7 | 7 | 2 | 0 | 0 | 1 | 6 | 16 | 21 | 57 | 52 | 41 | 28 | 14 | 10 | 6 | 1 | 0 | 0 | 0 |
| Relative Humidity (%) | 93 | 96 | 87 | 84 | 76 | 66 | 54 | 53 | 51 | 49 | 47 | 47 | 51 | 62 | 66 | 81 | 84 | 87 | 87 | 93 | 93 | 93 | 96 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Lkly | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/06 | |||||||||||||||||||||||
| Hour (CDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 55 | 56 | 57 | 60 | 62 | 64 | 67 | 70 | 73 | 74 | 74 | 74 | 72 | 69 | 66 | 64 | 62 | 60 | 59 | 58 | 57 | 56 | 56 | 55 |
| Dewpoint (°F) | 53 | 52 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 52 | 51 | 50 | 49 | 48 | 48 | 48 | 48 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 9 | 9 | 10 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 |
| Wind Dir | NNW | NNW | N | N | N | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE | ENE | ENE | ENE | E | E | E | E | E | E |
| Gust | 15 | 15 | 16 | 16 | 16 | 15 | ||||||||||||||||||
| Sky Cover (%) | 69 | 63 | 60 | 57 | 57 | 57 | 54 | 51 | 49 | 47 | 46 | 44 | 43 | 44 | 53 | 63 | 72 | 71 | 70 | 69 | 65 | 61 | 57 | 57 |
| Precipitation Potential (%) | 0 | 7 | 7 | 7 | 5 | 5 | 5 | 7 | 7 | 7 | 11 | 11 | 11 | 18 | 18 | 18 | 18 | 18 | 18 | 31 | 31 | 31 | 31 | 31 |
| Relative Humidity (%) | 93 | 86 | 86 | 78 | 72 | 67 | 61 | 57 | 51 | 48 | 48 | 48 | 51 | 57 | 63 | 67 | 70 | 72 | 72 | 72 | 72 | 74 | 74 | 77 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| ||||||||||||||