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| Point Forecast: 2 Miles NNW Keyesport IL 38.77N 89.29W (Elev. 463 ft) |
Last Update: 2:40 pm CDT Sep 27, 2021 |
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| Date | 09/27 | 09/28 | ||||||||||||||||||||||
| Hour (CDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 87 | 84 | 80 | 76 | 74 | 74 | 72 | 71 | 69 | 68 | 66 | 66 | 64 | 63 | 63 | 67 | 72 | 78 | 82 | 85 | 87 | 88 | 89 | 89 |
| Dewpoint (°F) | 61 | 62 | 62 | 63 | 63 | 63 | 63 | 62 | 62 | 61 | 61 | 60 | 60 | 60 | 60 | 61 | 63 | 63 | 63 | 63 | 63 | 62 | 62 | 61 |
| Heat Index (°F) | 87 | 85 | 81 | 76 | 78 | 83 | 86 | 88 | 88 | 89 | 89 | |||||||||||||
| Surface Wind (mph) | 13 | 10 | 9 | 9 | 9 | 10 | 9 | 9 | 8 | 7 | 7 | 7 | 7 | 6 | 5 | 6 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 |
| Wind Dir | SW | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | SW | SW | SW |
| Gust | 21 | 20 | 20 | 20 | ||||||||||||||||||||
| Sky Cover (%) | 4 | 4 | 4 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 2 | 4 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 42 | 48 | 54 | 64 | 69 | 69 | 73 | 73 | 78 | 78 | 84 | 81 | 87 | 90 | 90 | 81 | 73 | 60 | 53 | 48 | 45 | 42 | 41 | 39 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/29 | |||||||||||||||||||||||
| Hour (CDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 87 | 85 | 81 | 77 | 73 | 72 | 70 | 69 | 68 | 67 | 66 | 65 | 64 | 63 | 64 | 69 | 73 | 77 | 81 | 84 | 86 | 87 | 88 | 87 |
| Dewpoint (°F) | 61 | 63 | 63 | 64 | 65 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 63 | 62 | 63 | 65 | 66 | 67 | 67 | 67 | 66 | 65 | 65 | 64 |
| Heat Index (°F) | 87 | 86 | 82 | 77 | 77 | 83 | 87 | 88 | 89 | 90 | 88 | |||||||||||||
| Surface Wind (mph) | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 6 | 6 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SE | SE | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 3 | 3 | 4 | 2 | 3 | 2 | 1 | 2 | 2 | 2 | 1 | 2 | 4 | 7 | 7 | 7 | 6 | 6 | 7 | 10 | 11 | 15 | 25 | 30 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 42 | 48 | 54 | 64 | 76 | 76 | 81 | 84 | 87 | 90 | 90 | 93 | 97 | 97 | 97 | 87 | 79 | 71 | 63 | 57 | 51 | 48 | 47 | 46 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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