| Point Forecast: 3 Miles SSE Mattoon IL 39.44N 88.36W (Elev. 768 ft) |
Last Update: 6:12 pm CDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| 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 (°F) | 74 | 73 | 72 | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 68 | 68 | 69 | 69 | 71 | 73 | 75 | 78 | 80 | 82 | 83 | 83 | 84 | 84 |
| Dewpoint (°F) | 71 | 71 | 71 | 70 | 70 | 69 | 69 | 69 | 69 | 68 | 68 | 68 | 68 | 69 | 70 | 71 | 71 | 71 | 72 | 72 | 71 | 71 | 70 | 71 |
| Heat Index (°F) | 75 | 78 | 84 | 87 | 88 | 88 | 88 | 89 | ||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | E | ESE | ESE | SE | SE | SSE | SSE | S | WSW | WNW | W | NNW | N | N | NNE | ENE | ENE | E | E | ENE | E | ENE | N | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 88 | 88 | 88 | 80 | 79 | 77 | 66 | 59 | 61 | 61 | 64 | 67 | 63 | 68 | 61 | 52 | 45 | 43 | 43 | 41 | 41 | 44 | 43 | 44 |
| Precipitation Potential (%) | 68 | 58 | 49 | 33 | 27 | 24 | 22 | 17 | 17 | 17 | 13 | 13 | 13 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 |
| Relative Humidity (%) | 90 | 93 | 97 | 100 | 100 | 100 | 100 | 100 | 100 | 97 | 100 | 100 | 97 | 100 | 97 | 93 | 87 | 79 | 77 | 72 | 67 | 67 | 63 | 65 |
| Rain | Lkly | Lkly | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| 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 (°F) | 83 | 81 | 78 | 76 | 74 | 73 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 72 | 74 | 77 | 79 | 80 | 81 | 82 | 83 | 84 | 84 | 83 |
| Dewpoint (°F) | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 71 | 73 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 73 |
| Heat Index (°F) | 88 | 85 | 78 | 76 | 77 | 79 | 85 | 86 | 87 | 89 | 90 | 90 | 89 | |||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 5 |
| Wind Dir | NE | NE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | SE | SSE | SSE | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 46 | 39 | 54 | 45 | 38 | 43 | 42 | 40 | 43 | 46 | 49 | 54 | 58 | 63 | 59 | 54 | 50 | 54 | 58 | 62 | 60 | 58 | 56 | 57 |
| Precipitation Potential (%) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 17 | 17 | 17 | 17 | 17 | 17 | 49 | 49 | 49 | 49 | 49 |
| Relative Humidity (%) | 67 | 72 | 79 | 82 | 87 | 90 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 90 | 88 | 85 | 82 | 79 | 74 | 72 | 70 | 70 | 72 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
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