Wisconsin Weather: Forecast of Ups and Downs with Temperature Swings

End of Winter Deep Freeze

• ❄️ Wisconsin experienced its coldest start to December in 49 years, with a record 482 hours of subfreezing temperatures before December 15th.
• 🌡️ This streak marks the longest subfreezing period before December 15th in 83 years.
• 💨 A significant weather shift is underway, with temperatures feeling nearly 70° warmer today compared to the weekend's windchill of -32°F.

Incoming Cold Front and Active Pattern

• 🥶 A cold front is moving in from the north and west, bringing another dramatic temperature change.
• 📈 The jet stream is buckling, indicating an active weather pattern with significant warm-ups and cool-downs.
• ⚠️ Expect temperatures to swing between 10-15° above normal and 15-20° below normal.

Wintry Mix and Precipitation Chances

• 🌨️ Numerous chances for wintry mixes, including snow, sleet, freezing rain, and rain, are expected across the area.
• 🌧️ Today's freezing rain north of Green Bay was at the leading edge of the warm air.
• ❄️ Tomorrow night, a warm front will bring snow or a wintry mix, potentially transitioning to rain on Thursday.
• 🥶 Another batch of cold air from Canada is expected to bring snow by Thursday night and early Friday.

Daily Temperature Swings

• 📊 Over the next seven days, expect wild temperature swings, with highs in the 30s, teens, and even single digits in some cases.
• 📈 Tomorrow's forecast high is 36°F, with temperatures initially climbing into the mid-to-upper 30s before falling to around 25°F by morning and remaining in the mid-20s for much of the day.

Weather Guarantee

• ✅ A $100 donation to the Oshkosh Area Community Pantry is guaranteed if tomorrow's high temperature isn't within 3 degrees of the forecast 36°F.