A full report of the hottest temperatures and heat indices recorded in the state of Wisconsin since the late 1800s.
heat
Crop Response to the Heat, Humidity, and Heavy Rainfall
Higher temperatures and the crops being in their vegetative phase mean increased water demand by the crops and the atmosphere.
The First Heat Wave of Summer 2025
The first major heat wave of the summer is finally fading from Wisconsin, after 80- and 90-degree temperatures and tropical-feeling humidity.
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.