West Alton, MO Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for West Alton, MO in one place.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Local Weather Overview
This forecast page for West Alton, MO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 8:45 PM CDT.
The active forecast window currently covers Apr 15 to Apr 16, 2026 for West Alton, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 16, 2026
- Latest sync
- Apr 9, 2026 8:45 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in West Alton
Wednesday looks like the warmest upcoming period in West Alton at 81 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Wednesday at about 13 to 16 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 8:45 PM CDT
- Coverage
- 2 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
A chance of rain showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
81°F |
13 to 16 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
57°F |
7 to 13 mph
SW
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
79°F |
7 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around West Alton.