| Point Forecast: Ellisville MO 38.58N 90.57W (Elev. 212 m) |
Last Update: 5:37 am CDT May 19, 2025 |
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| Date | 05/19 | 05/20 | ||||||||||||||||||||||
| Hour (CDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°C) | 22 | 23 | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 21 | 22 |
| Dewpoint (°C) | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 18 |
| Heat Index (°C) | 24 | 24 | 25 | 26 | 26 | 25 | 24 | |||||||||||||||||
| Surface Wind (mph) | 9 | 10 | 10 | 10 | 10 | 11 | 13 | 13 | 13 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 |
| Wind Dir | SE | SE | SE | SE | SE | E | E | E | E | SE | E | SE | SE | SE | S | S | SE | SE | SE | SE | S | S | S | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 62 | 49 | 68 | 47 | 78 | 47 | 64 | 67 | 75 | 85 | 88 | 97 | 94 | 88 | 81 | 84 | 85 | 81 | 84 | 61 | 59 | 44 | 40 | 24 |
| Precipitation Potential (%) | 27 | 21 | 18 | 19 | 23 | 25 | 27 | 32 | 34 | 42 | 58 | 66 | 71 | 81 | 86 | 84 | 82 | 80 | 74 | 62 | 56 | 49 | 35 | 29 |
| Relative Humidity (%) | 76 | 76 | 74 | 71 | 69 | 69 | 69 | 69 | 76 | 76 | 81 | 87 | 87 | 84 | 87 | 84 | 87 | 87 | 87 | 87 | 90 | 90 | 81 | 79 |
| Rain | Chc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Chc | Chc | Chc |
| Thunder | Chc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc |
| Date | 05/21 | |||||||||||||||||||||||
| Hour (CDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°C) | 23 | 24 | 26 | 26 | 25 | 25 | 24 | 23 | 22 | 21 | 19 | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 15 | 16 |
| Dewpoint (°C) | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 14 | 14 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 |
| Heat Index (°C) | 24 | 26 | 26 | 25 | 25 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 9 | 10 | 11 | 11 | 11 | 11 | 13 | 13 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 13 | 13 |
| Wind Dir | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 26 | 25 | 19 | 17 | 16 | 17 | 18 | 18 | 24 | 24 | 24 | 24 | 21 | 19 | 16 | 18 | 20 | 22 | 26 | 30 | 34 | 34 | 33 | 33 |
| Precipitation Potential (%) | 32 | 37 | 40 | 37 | 32 | 31 | 27 | 17 | 9 | 9 | 9 | 9 | 9 | 9 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 |
| Relative Humidity (%) | 71 | 66 | 62 | 60 | 60 | 58 | 58 | 57 | 61 | 66 | 68 | 70 | 72 | 72 | 72 | 75 | 75 | 77 | 77 | 77 | 77 | 74 | 69 | 65 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
