| Point Forecast: West Alton MO 38.86N 90.22W (Elev. 427 ft) |
Last Update: 10:56 am CDT May 11, 2026 |
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| Date | 05/11 | 05/12 | ||||||||||||||||||||||
| Hour (CDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 70 | 72 | 74 | 75 | 75 | 76 | 75 | 73 | 67 | 64 | 61 | 59 | 58 | 57 | 55 | 54 | 53 | 53 | 52 | 54 | 60 | 66 | 71 | 75 |
| Dewpoint (°F) | 43 | 43 | 42 | 42 | 43 | 43 | 44 | 46 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 47 | 48 | 49 | 49 | 49 |
| Heat Index (°F) | 75 | 75 | 76 | 75 | 75 | |||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 11 | 10 | 8 | 6 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 5 | 3 | 5 | 5 | 6 | 6 | 8 | 10 | 11 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | E | SE | E | SE | SE | SE | SE | SE | SE | SE | S | S | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 5 | 2 | 1 | 1 | 2 | 2 | 2 | 5 | 2 | 3 | 2 | 9 | 8 | 3 | 3 | 2 | 3 | 2 | 2 | 2 | 0 | 0 | 1 | 1 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 38 | 35 | 32 | 31 | 32 | 31 | 33 | 38 | 49 | 54 | 60 | 64 | 67 | 69 | 72 | 74 | 77 | 77 | 80 | 77 | 64 | 54 | 46 | 40 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/13 | |||||||||||||||||||||||
| Hour (CDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 78 | 80 | 82 | 83 | 83 | 82 | 81 | 79 | 74 | 72 | 69 | 67 | 66 | 65 | 63 | 62 | 59 | 58 | 57 | 57 | 60 | 65 | 69 | 72 |
| Dewpoint (°F) | 49 | 48 | 47 | 48 | 49 | 50 | 50 | 51 | 51 | 53 | 54 | 55 | 56 | 57 | 55 | 55 | 52 | 50 | 47 | 49 | 48 | 47 | 46 | 45 |
| Heat Index (°F) | 78 | 79 | 80 | 81 | 81 | 81 | 80 | 79 | ||||||||||||||||
| Surface Wind (mph) | 14 | 15 | 15 | 16 | 16 | 15 | 14 | 11 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 11 | 14 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | 21 | 24 | 25 | 25 | 24 | 24 | 22 | 20 | ||||||||||||||||
| Sky Cover (%) | 14 | 20 | 2 | 1 | 5 | 13 | 31 | 47 | 48 | 56 | 62 | 64 | 77 | 57 | 31 | 15 | 10 | 1 | 3 | 2 | 2 | 1 | 1 | 1 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 1 | 2 | 6 | 11 | 16 | 29 | 42 | 38 | 30 | 17 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 36 | 33 | 29 | 30 | 31 | 33 | 34 | 38 | 44 | 51 | 59 | 65 | 70 | 75 | 75 | 78 | 78 | 75 | 69 | 75 | 64 | 52 | 44 | 38 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
