Wisconsin’s Weather Forecast for June 19 to June 23 2025 Brings Heatwave and Thunderstorms

As summer settles in across Wisconsin, residents and visitors can expect a stretch of hot and mostly sunny days ahead. From June 19 to June 23, 2025, the Badger State will experience typical summer weather, with high temperatures, moderate humidity, and minimal chances of rain.

Thursday, June 19: A Warm Start to the Weekend

Thursday will kick off the weekend with sunny skies and temperatures reaching the upper 80s°F (around 31°C). Humidity levels will be moderate, making it a comfortable day for outdoor activities. While there’s a slight chance of isolated thunderstorms in the evening, most areas will remain dry.

Friday, June 20: Pleasant and Sunny

Friday promises to be another beautiful day, with mostly sunny conditions and highs in the low 90s°F (approximately 33°C). The pleasant weather will continue, with no significant chances of rain. It’s an ideal day for enjoying Wisconsin’s outdoor attractions.

Saturday, June 21: Hotter and More Humid

Saturday will bring a noticeable increase in both temperature and humidity. Highs are expected to soar into the mid-90s°F (around 35°C), making it one of the hottest days of the week. Residents should take precautions to stay cool and hydrated, especially during peak afternoon hours.

Sunday, June 22: Continued Heat

Sunday will mirror Saturday’s conditions, with temperatures remaining in the mid-90s°F. The high heat and humidity may lead to elevated heat index values, so it’s advisable to limit strenuous outdoor activities during the hottest parts of the day.

Monday, June 23: Slight Cooling Trend

By Monday, temperatures will begin to moderate slightly, with highs in the low 90s°F. While it will still be warm, the reduced humidity will make it more comfortable for outdoor plans. There’s a slight chance of scattered thunderstorms in the afternoon, so it’s wise to keep an eye on the sky if you’re planning to be outside.

Regional Highlights

• Madison: Expect sunny skies with highs ranging from 87°F to 94°F throughout the week. Humidity levels will be moderate, and rain chances remain low.
• Milwaukee: Similar conditions to Madison, with temperatures in the upper 80s to low 90s°F. The chance of rain is minimal, making it a great time to explore the city.
• Wisconsin Dells: The forecast calls for sunny days with highs in the low 90s°F. Humidity will be noticeable, so staying hydrated is essential.