Weather Forecast and Radar for Vandalia, Illinois

Weather in Vandalia, IL

Vandalia, Illinois is located in the central Midwest and experiences a temperate climate with four distinct seasons. During the summer months, temperatures average in the mid to upper 80s (30-32°C) with occasional heat waves making temperatures soar into the 90s (32-35°C). The spring and fall months bring mild weather with temperatures ranging from the mid 50s (12-13°C) to the mid 70s (21-24°C). Winter temperatures typically stay in the mid 20s to mid 30s (-4 to 1°C). Winters can be cold with temperatures occasionally dropping into the single digits (below -12°C). Snow is common in Vandalia during the winter months, and the area can receive anywhere from a few inches to over a foot of snow each year.

Fast Facts About Vandalia, IL

As of 2020, the city population is 6615.

Major Cities Nearby Vandalia, IL

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Vandalia, Illinois.