| Point Forecast: Peoria IL 40.74N 89.61W (Elev. 209 m) |
Last Update: 3:36 pm CDT Aug 19, 2026 |
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| Date | 08/19 | 08/20 | ||||||||||||||||||||||
| Hour (CDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 27 | 27 | 26 | 25 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 19 | 21 | 22 | 23 | 24 | 25 | 26 | 26 |
| Dewpoint (°C) | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Heat Index (°C) | 29 | 29 | 26 | 25 | 24 | 25 | 26 | 26 | ||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 3 | 3 | 3 | 3 |
| Wind Dir | N | N | NNE | NE | N | NE | NE | NE | NE | NE | NE | NE | NNE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 74 | 71 | 75 | 75 | 68 | 87 | 74 | 51 | 60 | 60 | 58 | 32 | 33 | 18 | 15 | 9 | 11 | 21 | 19 | 16 | 11 | 0 | 4 | 6 |
| Precipitation Potential (%) | 50 | 44 | 38 | 32 | 27 | 22 | 17 | 15 | 13 | 11 | 8 | 6 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 74 | 77 | 77 | 80 | 87 | 90 | 90 | 90 | 90 | 90 | 90 | 93 | 93 | 93 | 97 | 97 | 90 | 87 | 79 | 74 | 71 | 64 | 62 | 62 |
| Rain | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/21 | |||||||||||||||||||||||
| Hour (CDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 27 | 26 | 26 | 24 | 23 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 17 | 18 | 19 | 21 | 23 | 24 | 26 | 27 | 27 | 28 |
| Dewpoint (°C) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 17 | 17 | 18 | 19 | 20 | 21 | 21 | 21 | 21 |
| Heat Index (°C) | 28 | 26 | 26 | 24 | 24 | 26 | 28 | 29 | 30 | |||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 2 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 7 |
| Wind Dir | NE | NE | ENE | ENE | E | E | E | E | ESE | ESE | N | N | SSE | S | S | S | S | SSW | SSW | SW | SW | WSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 5 | 4 | 10 | 38 | 12 | 17 | 19 | 16 | 16 | 8 | 22 | 19 | 21 | 28 | 32 | 32 | 40 | 33 | 25 | 23 | 21 | 19 | 25 | 30 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 25 | 25 | 25 |
| Relative Humidity (%) | 60 | 62 | 64 | 69 | 71 | 76 | 81 | 81 | 84 | 84 | 87 | 90 | 90 | 90 | 93 | 93 | 90 | 84 | 81 | 76 | 74 | 69 | 69 | 67 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
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