| Point Forecast: Chesterfield MO 38.65N 90.57W (Elev. 512 ft) |
Last Update: 5:07 pm CDT May 18, 2024 |
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| Date | 05/18 | 05/19 | ||||||||||||||||||||||
| 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) | 82 | 80 | 78 | 74 | 71 | 70 | 68 | 66 | 66 | 65 | 64 | 64 | 64 | 66 | 70 | 75 | 80 | 83 | 85 | 88 | 89 | 90 | 89 | 89 |
| Dewpoint (°F) | 63 | 63 | 64 | 65 | 65 | 65 | 64 | 65 | 64 | 64 | 64 | 63 | 63 | 64 | 65 | 65 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 65 |
| Heat Index (°F) | 83 | 81 | 78 | 75 | 82 | 85 | 87 | 90 | 91 | 92 | 91 | 91 | ||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 6 | 7 | 7 |
| Wind Dir | W | SW | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 11 | 7 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 13 | 14 | 13 | 12 | 10 | 12 | 13 | 14 | 19 | 23 | 27 | 27 | 28 | 29 | 27 |
| Precipitation Potential (%) | 5 | 3 | 4 | 4 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 5 | 7 | 5 | 3 | 1 | 2 |
| Relative Humidity (%) | 53 | 57 | 62 | 74 | 81 | 84 | 87 | 97 | 93 | 97 | 100 | 97 | 97 | 93 | 84 | 71 | 62 | 57 | 51 | 47 | 45 | 44 | 45 | 45 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/20 | |||||||||||||||||||||||
| 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) | 88 | 85 | 81 | 77 | 74 | 71 | 70 | 69 | 68 | 68 | 68 | 67 | 67 | 70 | 74 | 77 | 80 | 83 | 85 | 86 | 87 | 87 | 86 | 85 |
| Dewpoint (°F) | 65 | 65 | 65 | 65 | 66 | 66 | 65 | 65 | 64 | 64 | 63 | 63 | 63 | 62 | 63 | 64 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 |
| Heat Index (°F) | 90 | 87 | 83 | 77 | 77 | 82 | 85 | 87 | 88 | 89 | 89 | 88 | 87 | |||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Wind Dir | S | SE | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 26 | 25 | 23 | 21 | 19 | 22 | 26 | 29 | 33 | 37 | 41 | 43 | 44 | 37 | 41 | 44 | 48 | 52 | 56 | 60 | 53 | 45 | 38 | 35 |
| Precipitation Potential (%) | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 8 | 8 | 8 | 8 | 8 | 8 | 20 | 20 | 20 | 20 | 20 |
| Relative Humidity (%) | 47 | 51 | 58 | 67 | 76 | 84 | 84 | 87 | 87 | 87 | 84 | 87 | 87 | 76 | 69 | 64 | 60 | 55 | 51 | 50 | 48 | 48 | 50 | 51 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc |
