| Point Forecast: Peoria IL 40.74N 89.61W (Elev. 209 m) |
Last Update: 3:36 am CDT Aug 14, 2026 |
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| Date | 08/14 | 08/15 | ||||||||||||||||||||||
| 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 | 21 | 21 | 22 | 23 | 24 | 26 | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 25 | 25 | 24 | 24 | 24 |
| Dewpoint (°C) | 20 | 20 | 20 | 19 | 21 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Heat Index (°C) | 24 | 26 | 29 | 31 | 31 | 33 | 34 | 34 | 34 | 36 | 32 | 31 | 26 | 25 | 25 | 24 | 24 | 24 | ||||||
| Surface Wind (mph) | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 6 | 6 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 7 | 7 | 7 | 6 |
| Wind Dir | ENE | NE | ENE | ENE | E | E | E | E | E | E | E | E | ESE | ESE | E | ENE | ENE | ENE | ENE | E | E | ESE | ESE | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 87 | 89 | 88 | 87 | 86 | 85 | 85 | 84 | 82 | 80 | 78 | 78 | 78 | 78 | 72 | 66 | 60 | 58 | 56 | 54 | 60 | 65 | 71 | 71 |
| Precipitation Potential (%) | 100 | 100 | 69 | 73 | 45 | 63 | 25 | 21 | 19 | 18 | 13 | 20 | 21 | 27 | 24 | 24 | 20 | 20 | 25 | 20 | 28 | 33 | 38 | 62 |
| Relative Humidity (%) | 90 | 90 | 93 | 90 | 91 | 93 | 94 | 88 | 85 | 82 | 82 | 80 | 80 | 80 | 80 | 77 | 82 | 82 | 91 | 94 | 94 | 97 | 100 | 100 |
| Rain | Ocnl | Ocnl | Lkly | Lkly | Chc | Lkly | Chc | SChc | SChc | SChc | -- | SChc | SChc | Chc | SChc | SChc | SChc | SChc | Chc | SChc | Chc | Chc | Chc | Lkly |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | SChc | SChc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc |
| Date | 08/16 | |||||||||||||||||||||||
| 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) | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 26 | 27 | 28 | 29 | 30 | 31 | 31 | 31 | 31 | 30 | 29 | 28 | 27 | 26 | 26 | 26 | 26 |
| Dewpoint (°C) | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 |
| Heat Index (°C) | 24 | 24 | 24 | 24 | 26 | 31 | 32 | 34 | 37 | 38 | 38 | 39 | 38 | 38 | 36 | 32 | 31 | 26 | 26 | 26 | 26 | |||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 2 |
| Wind Dir | SE | SE | SE | SSE | S | S | S | S | SSW | SSW | SW | SW | SW | WSW | WSW | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 72 | 73 | 75 | 77 | 79 | 77 | 76 | 74 | 71 | 68 | 65 | 63 | 60 | 58 | 58 | 58 | 59 | 56 | 54 | 52 | 49 | 47 | 45 | 50 |
| Precipitation Potential (%) | 54 | 62 | 56 | 43 | 41 | 49 | 48 | 36 | 28 | 15 | 1 | 12 | 5 | 4 | 4 | 3 | 15 | 15 | 15 | 15 | 15 | 15 | 42 | 42 |
| Relative Humidity (%) | 100 | 97 | 100 | 97 | 100 | 97 | 97 | 88 | 91 | 85 | 80 | 77 | 77 | 77 | 75 | 77 | 80 | 77 | 85 | 91 | 94 | 94 | 97 | 94 |
| Rain | Chc | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
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