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Vandalia, MO Weather & Growing Conditions

Tonight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. Southeast wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 71°F Partly Cloudy 7 mph SE 6%
Saturday 93°F Partly Sunny 6 to 10 mph SW 6%
Saturday Night 69°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 5 mph SW 27%
Sunday 85°F Showers And Thunderstorms Likely 2 to 7 mph W 58%
Sunday Night 62°F Showers And Thunderstorms 5 to 8 mph NE 76%
Monday 70°F Showers And Thunderstorms 6 to 9 mph NE 76%
Monday Night 56°F Chance Showers And Thunderstorms 6 to 9 mph NE 48%
Tuesday 66°F Slight Chance Rain Showers then Mostly Cloudy 10 mph NE 19%
Tuesday Night 50°F Mostly Cloudy 3 to 8 mph N 4%
Wednesday 70°F Mostly Sunny 7 mph N 1%
Wednesday Night 52°F Partly Cloudy 1 to 5 mph NE 1%
Thursday 72°F Mostly Sunny 2 to 6 mph NE 6%
Thursday Night 55°F Partly Cloudy 3 mph NE 6%
Friday 72°F Mostly Sunny 2 to 6 mph NE 7%

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 Sep 19, 2026.