Vandalia, MO Weather Forecast
Local 7-day forecast
Scattered Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Vandalia, MO in one place.
Scattered showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Vandalia, 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 15, 2026 3:48 AM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Vandalia, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 3:48 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Vandalia
Friday looks like the warmest upcoming period in Vandalia at 84 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday at about 14 to 18 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 3:48 AM CDT
- Coverage
- 7 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 10am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Southwest wind 12 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Isolated showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then scattered showers and thunderstorms between 10pm and 1am, then scattered showers and thunderstorms between 1am and 4am. Mostly cloudy, with a low around 60. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Isolated rain showers between 7am and 1pm. Mostly sunny, with a high near 80. Southwest wind 8 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 59. Southwest wind 2 to 6 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 46. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly sunny, with a high near 59. Chance of precipitation is 80%.
A chance of rain showers before 1am. Mostly clear, with a low around 37. Chance of precipitation is 30%.
Sunny, with a high near 60.
Clear, with a low around 39.
Sunny, with a high near 69.
Mostly clear, with a low around 49.
Mostly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Scattered Showers And Thunderstorms
|
65°F |
14 mph
SW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
78°F |
12 to 17 mph
SW
|
|
Wednesday Night
Apr 15
|
Scattered Showers And Thunderstorms
|
60°F |
10 to 14 mph
SW
|
|
Thursday
Apr 16
|
Isolated Rain Showers
|
80°F |
8 to 12 mph
SW
|
|
Thursday Night
Apr 16
|
Mostly Clear
|
59°F |
2 to 6 mph
SW
|
|
Friday
Apr 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
84°F |
7 to 17 mph
S
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
46°F |
14 mph
SW
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
59°F |
14 to 18 mph
W
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
37°F |
9 to 14 mph
W
|
|
Sunday
Apr 19
|
Sunny
|
60°F |
9 to 13 mph
NW
|
|
Sunday Night
Apr 19
|
Clear
|
39°F |
5 to 8 mph
SW
|
|
Monday
Apr 20
|
Sunny
|
69°F |
6 to 13 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
49°F |
10 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
73°F |
10 to 14 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Vandalia.