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| Point Forecast: 3 Miles SSE Mattoon IL 39.44N 88.36W (Elev. 234 m) |
Last Update: 5:10 am CDT May 28, 2022 |
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| Date | 05/28 | 05/29 | ||||||||||||||||||||||
| Hour (CDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 14 | 14 | 15 | 16 | 18 | 18 | 19 | 21 | 21 | 22 | 23 | 23 | 23 | 23 | 22 | 20 | 18 | 18 | 17 | 18 | 17 | 17 | 17 | 17 |
| Dewpoint (°C) | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 1 | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 7 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 |
| Wind Dir | NW | NNW | NNW | S | S | S | S | S | SSW | SSW | S | S | S | S | S | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 51 | 44 | 36 | 34 | 31 | 35 | 37 | 37 | 31 | 32 | 19 | 12 | 16 | 19 | 13 | 15 | 17 | 19 | 18 | 16 | 15 | 20 | 20 | 21 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 86 | 86 | 83 | 81 | 73 | 70 | 68 | 66 | 63 | 59 | 57 | 59 | 59 | 59 | 63 | 70 | 75 | 78 | 81 | 78 | 81 | 84 | 84 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/30 | |||||||||||||||||||||||
| Hour (CDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 16 | 16 | 18 | 19 | 21 | 23 | 24 | 26 | 27 | 28 | 28 | 29 | 28 | 27 | 27 | 25 | 24 | 22 | 22 | 21 | 21 | 20 | 19 | 19 |
| Dewpoint (°C) | 14 | 14 | 14 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 |
| Heat Index (°C) | 24 | 26 | 28 | 28 | 29 | 29 | 29 | 28 | 27 | 25 | 24 | |||||||||||||
| Surface Wind (mph) | 10 | 10 | 13 | 15 | 16 | 17 | 18 | 20 | 18 | 20 | 20 | 20 | 20 | 18 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | 24 | 25 | 26 | 28 | 28 | 26 | 28 | 28 | 28 | 28 | 29 | 26 | 24 | 24 | ||||||||||
| Sky Cover (%) | 17 | 16 | 6 | 4 | 10 | 8 | 13 | 14 | 7 | 8 | 11 | 16 | 21 | 26 | 33 | 30 | 27 | 24 | 23 | 21 | 20 | 21 | 22 | 23 |
| Precipitation Potential (%) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 87 | 87 | 81 | 78 | 73 | 66 | 64 | 58 | 54 | 51 | 49 | 48 | 49 | 53 | 54 | 60 | 62 | 68 | 71 | 71 | 73 | 76 | 75 | 75 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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