Wisconsin Weather: Coldest September Day in 74 Years, Forecast for Fall and Early Winter

Unseasonably Cold September Weather

• 🥶 Today marked the coldest day since May in Wisconsin, with a high temperature of only 59°F.
• 🌡️ This 59°F high was the earliest occurrence of such a temperature in September in 74 years, making it a historically cool day for the month.
• 💨 Much colder air has poured south from Canada following a strong cold front, making temperatures feel more like late October or early November.

Weekend and Early Week Forecast

• ☁️ Tomorrow will still feel like October, with highs in the upper 50s to lower 60s, featuring morning sunshine followed by afternoon clouds and a chance of scattered showers or sprinkles.
• ☀️ Sunday is expected to be mostly sunny with temperatures in the mid-60s, perfect for outdoor activities like football at Lambeau Field.
• 📈 Early next week will continue to feel like fall, with temperatures gradually warming from the upper 60s on Monday.

Transition to Warmer Temperatures

• ☀️ The jet stream is predicted to shift, allowing warmer temperatures to return to northeast Wisconsin by next weekend.
• 🔥 This shift could potentially turn the current taste of fall back into a taste of summer, with forecasts reaching into the lower 70s.
• ⛈️ The next chance for rain and thunderstorms is expected on Tuesday, after which significantly warmer conditions are anticipated.