| Point Forecast: Smithton IL 38.41N 89.99W (Elev. 138 m) |
Last Update: 1:51 am CDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| 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 (°C) | 22 | 22 | 22 | 22 | 22 | 24 | 26 | 28 | 28 | 29 | 30 | 31 | 31 | 31 | 30 | 29 | 28 | 27 | 25 | 25 | 23 | 23 | 23 | 23 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 22 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
| Heat Index (°C) | 24 | 26 | 32 | 32 | 33 | 35 | 37 | 37 | 36 | 35 | 34 | 32 | 29 | 25 | 25 | |||||||||
| Surface Wind (mph) | 2 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | SE | E | SE | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 64 | 69 | 75 | 82 | 85 | 76 | 68 | 71 | 72 | 74 | 77 | 70 | 75 | 75 | 78 | 82 | 78 | 71 | 63 | 58 | 55 | 49 | 44 | 43 |
| Precipitation Potential (%) | 9 | 10 | 10 | 14 | 18 | 18 | 18 | 18 | 18 | 20 | 21 | 31 | 40 | 42 | 45 | 32 | 20 | 17 | 14 | 10 | 7 | 6 | 5 | 4 |
| Relative Humidity (%) | 100 | 100 | 100 | 100 | 100 | 100 | 91 | 79 | 77 | 74 | 70 | 66 | 66 | 68 | 70 | 72 | 79 | 85 | 94 | 90 | 100 | 97 | 100 | 100 |
| Rain | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| 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 (°C) | 23 | 22 | 23 | 22 | 23 | 26 | 27 | 29 | 30 | 31 | 32 | 33 | 33 | 33 | 33 | 32 | 31 | 29 | 27 | 26 | 26 | 25 | 25 | 24 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 23 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
| Heat Index (°C) | 26 | 31 | 34 | 36 | 38 | 39 | 41 | 41 | 41 | 39 | 38 | 37 | 33 | 31 | 26 | 26 | 25 | 25 | 24 | |||||
| Surface Wind (mph) | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 43 | 47 | 51 | 43 | 36 | 31 | 16 | 17 | 38 | 31 | 24 | 23 | 22 | 21 | 30 | 40 | 49 | 48 | 46 | 45 | 40 | 34 | 29 | 36 |
| Precipitation Potential (%) | 3 | 2 | 1 | 0 | 7 | 7 | 7 | 7 | 7 | 7 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 11 | 11 |
| Relative Humidity (%) | 97 | 100 | 97 | 100 | 97 | 94 | 88 | 80 | 75 | 70 | 66 | 64 | 60 | 60 | 62 | 66 | 70 | 74 | 82 | 85 | 88 | 90 | 90 | 94 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- |
