Vandalia, MO Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Vandalia, MO in one place.
Sunny, with a high near 90. Northeast wind 0 to 5 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: Jul 14, 2026 6:17 PM CDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Vandalia, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 6:17 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Vandalia
Monday looks like the warmest upcoming period in Vandalia at 93 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Saturday at about 8 to 12 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 6:17 PM CDT
- Coverage
- 6 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
Mostly clear, with a low around 71. East wind 0 to 3 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 0 to 3 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Chance of precipitation is 40%.
Sunny, with a high near 91.
Mostly clear, with a low around 74.
Sunny, with a high near 92.
Mostly clear, with a low around 74.
Sunny, with a high near 93.
A slight chance of rain showers after 1am. Mostly clear, with a low around 73. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
0 to 5 mph
NE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
0 to 3 mph
E
|
|
Thursday
Jul 16
|
Mostly Sunny then Chance Showers And Thunderstorms
|
89°F |
0 to 3 mph
S
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
2 mph
SW
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
89°F |
3 to 8 mph
SW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
7 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
91°F |
8 to 12 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
74°F |
9 mph
SW
|
|
Sunday
Jul 19
|
Sunny
|
92°F |
8 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
74°F |
7 mph
SW
|
|
Monday
Jul 20
|
Sunny
|
93°F |
8 to 12 mph
SW
|
|
Monday Night
Jul 20
|
Mostly Clear then Slight Chance Rain Showers
|
73°F |
6 to 12 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Vandalia.
