Monday, September 23, 2019

Rain Returns Mid-Week; Severe Threat Out West

Welcome to Fall! It's been a beautiful Fall afternoon filled with plenty of sun, comfortable temperatures and mostly importantly - dry skies! High pressure dominated the skies Monday afternoon and will continue to do so Tuesday. Surface winds will shift to the southwest early in the day, pushing highs into the mid and upper 70s. The leading edge of the warmth Tuesday morning may briefly turn skies mostly cloudy, but sunshine will return for the afternoon.

Out to the west a cold front will be moving through the Plains during the afternoon. Strong to severe storms will be possible from Wisconsin down through southwest Iowa late afternoon and evening. As the front moves east, clouds will be on the increase locally. The chance for showers and isolated thunderstorms will increase through the night and early Wednesday as the cold front moves through northern Illinois and southern Wisconsin. Our overall severe threat looks fairly limited due to the timing of the cold front.

Moisture present in the atmosphere isn't expected to be as high it was last week or over the weekend, so rainfall should not be as heavy. The best chance for rain will be during the morning, with drier skies expected for the afternoon.

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