Vandalia, MO Weather & Growing Conditions
Tonight
52°F
Cloudy then Slight Chance Drizzle
A slight chance of drizzle after midnight. Cloudy, with a low around 52. Southwest wind around 13 mph, with gusts as high as 24 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Cloudy then Slight Chance Drizzle | 13 mph SW | 12% |
| Wednesday | 59°F | Slight Chance Drizzle then Cloudy | 12 to 16 mph W | 12% |
| Wednesday Night | 40°F | Partly Cloudy | 8 mph SW | 1% |
| Thursday | 60°F | Mostly Sunny | 7 to 14 mph W | 7% |
| Thursday Night | 40°F | Mostly Cloudy | 6 mph NW | 14% |
| Friday | 55°F | Mostly Cloudy | 6 to 9 mph N | 6% |
| Friday Night | 35°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Saturday | 55°F | Partly Sunny | 0 to 3 mph NW | 2% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph NW | 4% |
| Sunday | 62°F | Sunny | 2 to 7 mph W | 9% |
| Sunday Night | 35°F | Mostly Clear | 3 mph W | 2% |
| Monday | 66°F | Sunny | 3 to 9 mph SW | 2% |
| Monday Night | 40°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 67°F | Sunny | 6 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Vandalia, MO
Last spring frost
Apr 11
First fall frost
Oct 23
Growing season
192 days
Hardiness zone
6b
Explore more for Vandalia, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Vandalia, Mo (0.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.