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4h ago

Late-Weekend Cold Front to Snap Warmth, Trigger Rain-to-Snow From Great Lakes to Northeast

A fast-moving system will drop temperatures quickly, bringing early-season flakes and frost risks after a warm Saturday.

Here's what the weather forecast says about near-freezing temperature projections, as reported by Express-News meteorologist Anthony Franze, as well as how to prepare for the arctic air drifting into Alamo City.
Tourists ride a tour boat on a cold afternoon where temps dipped down into the 20’s on Feb. 20, 2025, in San Antonio, Texas.
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Overview

  • Rain expands late Saturday into Sunday, then colder air surges in Sunday night into Monday with highs stuck in the 30s and 40s and a blustery northwest wind.
  • Great Lakes snow chances sharpen: Metro Detroit anticipates its first measurable snow by Monday, Chicago may see only slushy grassy spots, and southeast Wisconsin could pick up around 1 inch mainly on elevated and grassy surfaces with a narrow heavier band possible.
  • Ohio Valley outlook: Louisville expects flurries or brief snow showers Monday with little to no accumulation and a winter-like chill.
  • Frost and first-freeze risk increases Monday night into Tuesday for inland parts of the Southeast and Mid-Atlantic, with lows near or below freezing in some locations.
  • Wind hazards vary by region, including 60 mph gusts near Billings under a Friday advisory, while post-frontal gusts and low wind chills return to parts of the East before a midweek warmup.