The first major heat wave of the summer is finally fading from Wisconsin, after 80- and 90-degree temperatures and tropical-feeling humidity.
Wisconsin Climate Chronicles
Sneaky Trend in Wisconsin’s Summer Heat
These steamy temperatures fit into a longer pattern of hot Junes and a rising trend towards warmer nights.
Jumping into June: Wisconsin Weather Outlook 2025
Many locations typically experience their first 90° days of the season in June, and some can even reach the triple digits!