DAYTON — A slow warming trend is underway with above-average temperatures expected Wednesday.
Temperatures of 70 degrees will return through the weekend as a massive area of high pressure slowly pushes across the eastern half off the country, Storm Center 7 Chief Meteorologist Eric Elwell said.
However, a major pattern shift is underway in northwestern Canada, where colder air is building.
This colder air is forecast by most of the long-range models to begin heading southward into the northern U.S. later this weekend.
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The chilliest air of the season could cross the Miami Valley by the middle of next week with current models predicting our first frost by late next week.
Temperatures may not climb out of the lower 50s next week, with some models suggesting snow near the Great Lakes by Wednesday night.
Although it’s too early to know whether the precipitation will materialize, Elwell said to enjoy the upcoming weekend warmth while it lasts Because big changes could come next week.
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