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Vandalia, MO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Vandalia, a city in Audrain County, Missouri.

Today
93°F
Partly Sunny
Partly sunny, with a high near 93. Southwest wind 6 to 10 mph.

7-day forecast for Vandalia

WhenTempForecastWindPrecip
Today 93°F Partly Sunny 6 to 10 mph SW 4%
Tonight 69°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 5 mph SW 26%
Sunday 83°F Chance Showers And Thunderstorms 2 to 7 mph NW 51%
Sunday Night 62°F Chance Showers And Thunderstorms 5 to 8 mph NE 78%
Monday 69°F Showers And Thunderstorms 6 to 10 mph NE 78%
Monday Night 55°F Chance Rain Showers 6 to 10 mph NE 26%
Tuesday 64°F Slight Chance Rain Showers then Mostly Cloudy 10 mph NE 19%
Tuesday Night 50°F Partly Cloudy 3 to 9 mph N 3%
Wednesday 69°F Mostly Sunny 7 mph N 0%
Wednesday Night 52°F Partly Cloudy 1 to 6 mph NE 0%
Thursday 72°F Mostly Sunny 2 to 6 mph NE 6%
Thursday Night 55°F Partly Cloudy 1 to 5 mph NE 7%
Friday 74°F Partly Sunny 2 to 6 mph NE 14%
Friday Night 55°F Partly Cloudy 5 mph E 5%

Forecast source: National Weather Service (api.weather.gov) for Vandalia (39.308, -91.489). Updated through the day.

Growing snapshot for Vandalia

Last spring frost
Apr 11
First fall frost
Oct 23
Growing season
192 days
Hardiness zone
6b

More local growing data for Vandalia: nearby ZIP 63382 weather · frost dates · planting calendar · Missouri frost dates

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Climate data from the nearest NOAA station, Vandalia, Mo (0.3 mi from Vandalia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.