| Point Forecast: 4 Miles S Pesotum IL 39.86N 88.28W (Elev. 686 ft) |
Last Update: 4:15 am CDT Aug 9, 2026 |
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| Date | 08/09 | 08/10 | ||||||||||||||||||||||
| 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 (°F) | 68 | 68 | 68 | 70 | 74 | 79 | 83 | 85 | 88 | 88 | 89 | 89 | 89 | 89 | 88 | 85 | 82 | 79 | 79 | 78 | 78 | 77 | 77 | 75 |
| Dewpoint (°F) | 68 | 68 | 68 | 70 | 71 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 72 | 72 | 71 | 71 | 71 | 70 | 70 |
| Heat Index (°F) | 79 | 90 | 93 | 97 | 97 | 98 | 98 | 98 | 98 | 97 | 93 | 87 | 79 | 79 | 78 | 78 | 77 | 77 | 75 | |||||
| Surface Wind (mph) | 3 | 5 | 5 | 6 | 7 | 9 | 10 | 11 | 13 | 14 | 15 | 16 | 16 | 16 | 14 | 11 | 11 | 13 | 13 | 13 | 13 | 15 | 14 | 11 |
| Wind Dir | SSE | SSE | SSE | S | S | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | S | S | S | S | SSW | S | SSW | SSW |
| Gust | 15 | 16 | 18 | 20 | 21 | 21 | 22 | 23 | 24 | 23 | 21 | 20 | 21 | 21 | 21 | 20 | 22 | 23 | 21 | |||||
| Sky Cover (%) | 53 | 61 | 54 | 57 | 54 | 44 | 28 | 39 | 37 | 31 | 45 | 42 | 38 | 37 | 27 | 24 | 13 | 15 | 6 | 22 | 50 | 60 | 60 | 68 |
| Precipitation Potential (%) | 2 | 1 | 1 | 7 | 7 | 6 | 9 | 10 | 10 | 16 | 22 | 21 | 20 | 20 | 17 | 10 | 7 | 7 | 10 | 20 | 29 | 32 | 32 | 27 |
| Relative Humidity (%) | 100 | 100 | 100 | 100 | 90 | 82 | 74 | 70 | 63 | 63 | 61 | 61 | 61 | 61 | 63 | 70 | 74 | 79 | 79 | 79 | 79 | 82 | 79 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/11 | |||||||||||||||||||||||
| 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 (°F) | 75 | 74 | 73 | 74 | 78 | 82 | 84 | 85 | 88 | 89 | 90 | 90 | 90 | 90 | 89 | 86 | 84 | 81 | 78 | 77 | 77 | 77 | 77 | 76 |
| Dewpoint (°F) | 70 | 70 | 69 | 71 | 71 | 72 | 73 | 74 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 77 | 75 | 74 | 73 | 72 | 72 | 72 | 72 | 71 |
| Heat Index (°F) | 75 | 78 | 87 | 90 | 93 | 98 | 99 | 101 | 101 | 102 | 102 | 100 | 97 | 92 | 86 | 78 | 77 | 77 | 77 | 77 | 76 | |||
| Surface Wind (mph) | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 13 | 13 | 11 | 11 | 10 | 7 | 7 | 7 | 7 | 8 | 9 | 10 | 11 | 11 |
| Wind Dir | SSW | SSW | SSW | SSW | SW | SW | SW | SW | WSW | WSW | SW | SW | SW | SSW | SSW | SSW | S | SSW | SSW | SSW | SSW | SSW | SSW | SW |
| Gust | 21 | 18 | 16 | 17 | 17 | 20 | 20 | 20 | 20 | 21 | 21 | 18 | 18 | 17 | 15 | 16 | 17 | |||||||
| Sky Cover (%) | 76 | 71 | 75 | 69 | 58 | 45 | 33 | 20 | 20 | 22 | 30 | 38 | 37 | 44 | 35 | 19 | 13 | 27 | 40 | 41 | 43 | 44 | 47 | 51 |
| Precipitation Potential (%) | 27 | 23 | 18 | 9 | 7 | 6 | 7 | 10 | 10 | 11 | 16 | 18 | 13 | 15 | 16 | 19 | 19 | 19 | 19 | 19 | 19 | 37 | 37 | 37 |
| Relative Humidity (%) | 84 | 87 | 87 | 90 | 79 | 72 | 70 | 70 | 66 | 64 | 62 | 62 | 64 | 64 | 66 | 75 | 74 | 79 | 85 | 85 | 85 | 85 | 85 | 85 |
| Rain | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- |
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