| Point Forecast: Saint Louis MO 38.64N 90.23W (Elev. 164 m) |
Last Update: 11:52 am CDT Jun 19, 2025 |
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| Date | 06/19 | 06/20 | ||||||||||||||||||||||
| Hour (CDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 29 | 30 | 31 | 31 | 31 | 30 | 29 | 28 | 26 | 26 | 24 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 24 | 27 | 29 | 31 | 32 |
| Dewpoint (°C) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 |
| Heat Index (°C) | 30 | 30 | 31 | 31 | 31 | 30 | 30 | 28 | 26 | 26 | 24 | 24 | 28 | 31 | 32 | 33 | ||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 8 | 9 |
| Wind Dir | NW | NW | NW | NW | NW | NW | W | W | W | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 4 | 6 | 13 | 17 | 13 | 8 | 8 | 6 | 3 | 6 | 4 | 4 | 3 | 2 | 2 | 4 | 5 | 7 | 7 | 6 | 6 | 10 | 15 | 21 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 |
| Relative Humidity (%) | 48 | 45 | 43 | 43 | 43 | 45 | 46 | 53 | 58 | 62 | 69 | 74 | 79 | 81 | 84 | 84 | 84 | 81 | 79 | 71 | 65 | 57 | 50 | 47 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/21 | |||||||||||||||||||||||
| Hour (CDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 33 | 33 | 34 | 34 | 34 | 33 | 32 | 31 | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 28 | 30 | 32 | 33 |
| Dewpoint (°C) | 19 | 19 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 |
| Heat Index (°C) | 34 | 36 | 36 | 37 | 37 | 36 | 35 | 34 | 32 | 31 | 30 | 29 | 28 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 31 | 34 | 37 | 38 |
| Surface Wind (mph) | 9 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 7 | 8 | 7 | 8 | 9 | 10 | 10 | 10 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 24 | 21 | 16 | 15 | 10 | 9 | 11 | 8 | 5 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 3 | 3 | 2 | 2 | 3 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 44 | 44 | 44 | 46 | 47 | 50 | 56 | 59 | 63 | 67 | 69 | 72 | 74 | 77 | 79 | 85 | 85 | 85 | 85 | 82 | 74 | 68 | 61 | 58 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
