Rain and Sharp Temperature Swings Forecast Across U.S.

Forecasts across Massachusetts, Maine, St. Louis and central Ohio call for a shift from mild or warm weather to rain and then cooler conditions, with timing varying by region. Massachusetts is expected to turn briefly warm and mostly dry Wednesday before rain Friday, potentially with heavier localized bands and gusty winds; Saturday is forecast to be sharply colder and windy. Maine faces cold, soaking rain Tuesday into Wednesday, with sleet or freezing rain possible in the north, followed by more rain Friday and a potentially freezing weekend. St. Louis could see more than two inches of rain in some locations overnight Wednesday into Thursday before cooler weather arrives Friday. Central Ohio is forecast to stay unusually warm through Tuesday, then have periodic rain Wednesday through Friday and cooler, potentially frosty weekend conditions.