The cold front that caused widespread heavy rain and severe weather along the Eastern seaboard yesterday ushered in a chilly morning this morning. Readings dipped into the 30s across portions of the Midwest, central and western Great Lakes region, bringing a first frost and/or freeze to many locations.
The image at the top of the post shows the forecast departure from normal with respect to temperatures this afternoon. As you can see, readings are forecast to average 15-20 degrees below normal (purple shaded areas) from portions of New York state, back into the middle and lower Mississippi River Valley region.
A cool afternoon today will lead to a very chilly night tonight, with readings forecast to drop below freezing across portions of the Northeast. Frost and/or freeze warnings are in effect for the areas shaded in blue on the image below for tonight and early Thursday morning:
For more information from the Original Weather Blog, including shorter, more frequent posts during rapidly changing weather events, please be sure to follow me on facebook and twitter: