| Point Forecast: 4 Miles SSE Effingham IL 39.07N 88.53W (Elev. 554 ft) |
Last Update: 1:27 am CDT May 19, 2024 |
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| Date | 05/19 | 05/20 | ||||||||||||||||||||||
| Hour (CDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 66 | 65 | 65 | 64 | 64 | 63 | 65 | 70 | 74 | 81 | 82 | 84 | 86 | 87 | 88 | 88 | 88 | 87 | 85 | 81 | 76 | 74 | 72 | 70 |
| Dewpoint (°F) | 62 | 62 | 62 | 62 | 61 | 61 | 63 | 65 | 66 | 66 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 64 | 65 | 65 | 65 | 64 | 64 | 63 |
| Heat Index (°F) | 83 | 83 | 85 | 87 | 88 | 89 | 89 | 89 | 88 | 87 | 83 | 76 | ||||||||||||
| Surface Wind (mph) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| Wind Dir | S | S | S | S | SSW | SSW | SW | SW | WSW | SW | SW | SSW | S | S | S | S | S | S | S | SSE | SE | SSE | SE | SSE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 4 | 5 | 6 | 7 | 8 | 10 | 12 | 12 | 11 | 11 | 16 | 21 | 26 | 27 | 28 | 30 | 27 | 25 | 22 | 18 | 13 | 8 | 8 | 8 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 0 |
| Relative Humidity (%) | 87 | 90 | 90 | 93 | 90 | 93 | 93 | 84 | 76 | 60 | 55 | 51 | 48 | 46 | 45 | 43 | 43 | 46 | 51 | 58 | 69 | 71 | 76 | 78 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/21 | |||||||||||||||||||||||
| Hour (CDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 69 | 68 | 66 | 65 | 65 | 64 | 66 | 70 | 74 | 79 | 82 | 84 | 85 | 85 | 86 | 86 | 84 | 83 | 81 | 78 | 76 | 73 | 72 | 70 |
| Dewpoint (°F) | 63 | 62 | 61 | 61 | 61 | 61 | 62 | 64 | 64 | 64 | 63 | 63 | 62 | 62 | 62 | 62 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 64 |
| Heat Index (°F) | 79 | 83 | 85 | 86 | 86 | 86 | 86 | 85 | 84 | 83 | 78 | 76 | ||||||||||||
| Surface Wind (mph) | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 9 | 9 | 10 | 11 | 11 | 11 | 10 | 9 | 7 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | SSE | SSE | SSE | SSE | S | S | S | SSW | SSW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 15 | ||||||||||||||||
| Sky Cover (%) | 8 | 10 | 11 | 13 | 15 | 16 | 18 | 23 | 28 | 32 | 33 | 35 | 36 | 39 | 42 | 46 | 46 | 45 | 45 | 41 | 38 | 34 | 32 | 31 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 7 | 7 | 7 | 7 | 7 | 7 | 12 | 12 | 12 | 12 | 12 | 12 |
| Relative Humidity (%) | 81 | 81 | 84 | 87 | 87 | 90 | 87 | 81 | 71 | 60 | 53 | 50 | 46 | 46 | 45 | 45 | 49 | 52 | 56 | 62 | 66 | 73 | 76 | 81 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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