Vandalia, MO Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Vandalia, MO in one place.
Mostly sunny, with a high near 92. Southwest wind around 8 mph.
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: Oct 13, 2026 7:25 PM CDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Vandalia, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 7:25 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Vandalia
This Afternoon looks like the warmest upcoming period in Vandalia at 92 degrees F.
Friday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 16 to 22 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 7:25 PM 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 between 9pm and 1am, then showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind 2 to 6 mph. Chance of precipitation is 90%.
Showers and thunderstorms before 8am, then patchy fog and showers and thunderstorms likely. Cloudy, with a high near 75. Northeast wind 3 to 7 mph. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 63. Northeast wind around 6 mph. Chance of precipitation is 90%.
Showers and thunderstorms. Cloudy, with a high near 77. South wind 5 to 12 mph. Chance of precipitation is 100%.
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Mostly sunny, with a high near 57.
Mostly clear, with a low around 34.
Sunny, with a high near 62.
Clear, with a low around 39.
Sunny, with a high near 70.
Partly cloudy, with a low around 46.
Partly sunny, with a high near 73.
Partly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Mostly Sunny
|
92°F |
8 mph
SW
|
|
Tonight
Oct 13
|
Chance Showers And Thunderstorms
|
66°F |
2 to 6 mph
SW
|
|
Wednesday
Oct 14
|
Showers And Thunderstorms
|
75°F |
3 to 7 mph
NE
|
|
Wednesday Night
Oct 14
|
Showers And Thunderstorms
|
63°F |
6 mph
NE
|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
77°F |
5 to 12 mph
S
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms Likely
|
45°F |
12 to 20 mph
NW
|
|
Friday
Oct 16
|
Mostly Sunny
|
57°F |
16 to 22 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
34°F |
1 to 14 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
62°F |
0 to 3 mph
E
|
|
Saturday Night
Oct 17
|
Clear
|
39°F |
5 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
70°F |
6 to 9 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
46°F |
5 mph
S
|
|
Monday
Oct 19
|
Partly Sunny
|
73°F |
6 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
51°F |
2 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Vandalia.