Vandalia Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Vandalia area.

Vandalia, IL temperature trend for the next 14 Days. Find daytime highs and nighttime lows from TheWeatherNetwork.com.

Vandalia, Illinois, boasts its own miniature version, affectionately known as the 'baby arch,' situated near Jay's Inn. St. Louis isn't the only city with an arch for roadside attraction enthusiasts.

Baldridge, known for his hit “She’s Somebody’s Daughter,” will be in downtown Vandalia, Illinois, to shoot a video for a new song from 6 p.m. to 8 p.m. at the Old State Capital.

People from all over the world have come to see the 35-foot-long dragon made out of sheet metal, with red glowing eyes and a hydraulic neck in Vandalia, Illinois.

A tornado watch has been issued for much of the St. Louis region on Wednesday as severe storm threats loom in the afternoon.