| Point Forecast: Saint Louis MO 38.64N 90.23W (Elev. 538 ft) |
Last Update: 6:22 pm CDT May 9, 2024 |
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| Date | 05/09 | 05/10 | ||||||||||||||||||||||
| Hour (CDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 71 | 68 | 65 | 62 | 61 | 58 | 56 | 56 | 54 | 54 | 54 | 53 | 53 | 55 | 58 | 61 | 63 | 67 | 68 | 69 | 71 | 71 | 70 | 69 |
| Dewpoint (°F) | 53 | 54 | 55 | 54 | 54 | 53 | 52 | 52 | 51 | 51 | 51 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 50 | 51 | 51 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 13 | 11 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 8 |
| Wind Dir | NW | NW | NW | N | N | N | N | N | N | N | N | N | N | N | N | NW | NW | N | N | NW | NW | NW | NW | NW |
| Gust | 21 | |||||||||||||||||||||||
| Sky Cover (%) | 64 | 60 | 56 | 61 | 66 | 65 | 65 | 70 | 76 | 78 | 80 | 81 | 81 | 78 | 75 | 72 | 63 | 54 | 45 | 46 | 47 | 49 | 36 | 24 |
| Precipitation Potential (%) | 8 | 9 | 11 | 9 | 7 | 7 | 8 | 7 | 7 | 8 | 9 | 8 | 8 | 9 | 10 | 7 | 4 | 3 | 1 | 2 | 2 | 3 | 3 | 4 |
| Relative Humidity (%) | 53 | 61 | 70 | 75 | 78 | 83 | 86 | 86 | 90 | 90 | 90 | 89 | 89 | 86 | 77 | 70 | 65 | 56 | 54 | 53 | 49 | 47 | 51 | 53 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/11 | |||||||||||||||||||||||
| Hour (CDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°F) | 69 | 65 | 63 | 61 | 59 | 58 | 56 | 55 | 56 | 56 | 55 | 55 | 57 | 61 | 64 | 67 | 70 | 72 | 73 | 74 | 75 | 75 | 74 | 73 |
| Dewpoint (°F) | 50 | 50 | 50 | 50 | 50 | 50 | 49 | 48 | 48 | 48 | 48 | 49 | 49 | 49 | 49 | 49 | 47 | 46 | 44 | 44 | 44 | 44 | 44 | 45 |
| Heat Index (°F) | 75 | 75 | ||||||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 9 | 8 | 9 | 9 | 10 | 11 | 11 | 13 | 13 | 13 | 13 | 11 | 9 |
| Wind Dir | NW | NW | W | W | W | W | SW | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | 20 | 21 | 21 | 20 | ||||||||||||||||||||
| Sky Cover (%) | 12 | 16 | 19 | 23 | 21 | 20 | 19 | 17 | 14 | 12 | 10 | 7 | 5 | 4 | 2 | 1 | 1 | 2 | 2 | 5 | 7 | 10 | 10 | 9 |
| Precipitation Potential (%) | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 51 | 58 | 62 | 67 | 72 | 75 | 77 | 77 | 74 | 74 | 77 | 80 | 75 | 66 | 59 | 52 | 45 | 39 | 35 | 33 | 33 | 33 | 34 | 36 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
