First Alert Forecast: Much colder Friday, into weekend; widespread frost, freeze threat

FRIDAY: A stout cold plunge takes hold Friday. Even with full sunshine, highs will only muster the lower 50s. Northerly winds will continue filtering cool Canadian air into the region all day. Skies stay clear overnight as temperatures drop well into the 20s and 30s, delivering our first widespread frost and freeze of the season. Protect tender vegetation, check outdoor pipes, bring in pets, and check on vulnerable neighbors ahead of the cold.

SATURDAY: Another chilly day with mostly sunny skies; highs reaching the lower 50s again after starting off in the freezer. Saturday night brings another risk of widespread frost and freeze impacts under clear skies, with lows dipping to the upper 20s and lower 30s.

EXTENDED: Clouds mix in Sunday with highs in the middle to upper 50s; a low-end chance for a sprinkle late. Highs run toward the middle to upper 50s Monday. A warm-up takes over next week, pushing highs into the upper 60s by Wednesday and lower 70s late week. Rain chances could return by next weekend.

Patrick Ellis

Action News 5 First Alert Meteorologist

Facebook, X, Instagram, BlueSky: @PatrickEllisWx

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