| Point Forecast: 3 Miles S Dakota IL 42.34N 89.53W (Elev. 254 m) |
Last Update: 4:46 pm CDT Aug 9, 2026 |
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| Date | 08/09 | 08/10 | ||||||||||||||||||||||
| Hour (CDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 19 | 21 | 21 | 22 | 24 | 25 | 26 | 27 | 28 | 28 | 28 | 29 |
| Dewpoint (°C) | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 20 | 19 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 24 |
| Heat Index (°C) | 25 | 24 | 24 | 25 | 26 | 29 | 31 | 31 | 32 | 33 | ||||||||||||||
| Surface Wind (mph) | 8 | 7 | 6 | 6 | 5 | 3 | 3 | 3 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 5 | 3 | 5 | 5 | 5 |
| Wind Dir | S | S | E | E | E | NE | E | SE | N | NE | NE | NE | NE | NE | E | E | NE | E | E | E | E | E | E | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 67 | 61 | 64 | 66 | 69 | 71 | 67 | 63 | 59 | 61 | 63 | 65 | 67 | 58 | 69 | 73 | 67 | 63 | 69 | 70 | 68 | 67 | 60 | 49 |
| Precipitation Potential (%) | 16 | 28 | 40 | 37 | 34 | 28 | 23 | 17 | 15 | 12 | 9 | 7 | 4 | 2 | 4 | 5 | 9 | 11 | 9 | 13 | 26 | 18 | 20 | 21 |
| Relative Humidity (%) | 87 | 94 | 97 | 100 | 97 | 100 | 97 | 100 | 97 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 90 | 88 | 85 | 82 | 77 | 77 | 74 | 74 |
| Rain | SChc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | SChc | SChc | SChc |
| Thunder | SChc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc |
| Date | 08/11 | |||||||||||||||||||||||
| Hour (CDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 28 | 27 | 26 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 20 | 21 | 22 | 23 | 24 | 26 | 27 | 27 | 28 | 28 | 28 |
| Dewpoint (°C) | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 20 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 24 |
| Heat Index (°C) | 32 | 30 | 26 | 24 | 26 | 29 | 31 | 32 | 33 | 33 | ||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 5 | 5 | 5 |
| Wind Dir | E | E | E | E | E | E | E | E | E | E | E | E | E | E | SE | SE | SE | SE | SE | SE | S | S | SW | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 46 | 36 | 46 | 36 | 36 | 51 | 36 | 42 | 61 | 70 | 70 | 72 | 83 | 85 | 77 | 81 | 84 | 81 | 79 | 76 | 65 | 53 | 42 | 38 |
| Precipitation Potential (%) | 27 | 60 | 52 | 49 | 22 | 32 | 13 | 13 | 22 | 62 | 49 | 39 | 50 | 60 | 60 | 60 | 60 | 60 | 60 | 19 | 19 | 19 | 19 | 19 |
| Relative Humidity (%) | 79 | 79 | 88 | 93 | 97 | 97 | 100 | 97 | 97 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 93 | 90 | 88 | 85 | 85 | 82 | 80 | 80 |
| Rain | Chc | Lkly | Chc | Chc | SChc | Chc | -- | -- | SChc | Lkly | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | SChc | SChc | SChc | SChc | SChc |
| Thunder | Chc | Chc | Chc | Chc | SChc | Chc | -- | -- | SChc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc |
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