St. Louis is known as "the Gateway to the West," but that doesn't mean it gets West Coast weather. Expect all four seasons in STL. The weather can start out sunny, dry, and pleasant one week, and have storms and cold weather forecasted the next. The best way to keep up with the fluctuating weather patterns is to be prepared, and check up on the weather constantly from local weather stations like KSDK (channel 5), KMOV (channel 4), Fox 2 (channel 2), or www.weather.com.
Local weather also depends on what transition the year is between, like the weather from summer into fall. This can fluctuate between extremely hot days to slightly chilly days. Same goes for winter into spring, changing from extreme cold, blizzard-like temperatures to a slightly warmer and sunnier atmosphere. For possible snow days, do not check the television, but do check your text messages. If you sign up for text alerts, found on the Webster Connections website, an alert will inform you whether or not classes are canceled, usually sent the night before.