After highs in the 70s Thursday afternoon, Chicago is in for a cool down throughout the weekend.
Friday afternoon will bring a high of only 50 degrees with scattered clouds, before dropping down to the high 30s at night.
Saturday may creep down into the high 40s with even more clouds. The nighttime will bring temperatures to the high 30s.
Both days will be breezy, so those spending time outdoors should consider a light jacket. Precipitation is unlikely.
Sunday's NASCAR race in Bristol, Tenn., may turn into a washout following a dry start to the weekend.
Colder air will slowly filter across the Cleveland area this weekend following a mild end to the week.
Colder air will slowly filter across the Detroit area this weekend following a mild end to the week.
The temperature roller-coaster ride will continue through St. Patrick's Day for the Boston area.
Those celebrating St. Patrick's Day through the weekend will be dodging showers.
The Pennsylvania capital will be seeing a roller-coaster ride of temperatures through the weekend.
Concordia, KS (1924)
17.2" of snow.
New York State (1870)
Heavy snowstorm blocked 24 trains between Springfield and Albany.
1-2 feet of snow from Grant to Estes Park (15th-16th).