Weather and Climate at ISU

Illinois State University is located in Normal, Illinois, which experiences a humid continental climate. The weather at ISU varies significantly throughout the year:

Winter (December to February): Temperatures range from 20°F to 35°F (-6°C to 2°C), with occasional snow and cold snaps affecting commuting and campus life.

Spring (March to May): Temperatures rise from 35°F to 70°F (2°C to 21°C), with increasing rainfall and occasional thunderstorms.

Summer (June to August): Warm to hot, with temperatures between 65°F and 85°F (18°C to 29°C), and high humidity. This period is ideal for outdoor research and activities.

Fall (September to November): Cooling from 70°F to 40°F (21°C to 4°C), with beautiful foliage but also potential for early frosts.

Extreme weather conditions such as tornadoes can occur, impacting campus safety and operations.