Overview
- National Weather Service guidance points to a mild stretch into early next week, with Time and Date projecting about 45°F on Thanksgiving before a sharper cooldown.
- FOX 32 expects an arctic air push to settle in after the holiday, with highs in the 30s and lows in the 20s across the Chicago area.
- Meteorologists cite a jet-stream dip associated with a sudden stratospheric warming event as the driver of the southward push of colder air.
- Because the disruption is occurring early in the season, forecasters do not anticipate the subzero readings often seen during midwinter polar-vortex events.
- Local advice emphasizes practical precautions for the holiday period, including layering up and favoring indoor plans.