Get ready for a big Chicago area weather switch, from what feels like late summer to late fall.
Thursday's near-80 degrees take a sharp turn overnight as a northwest-bound cold front heads our way. Temperatures could drop as much as 25 degrees to a high of 56 degrees by Friday morning, according to NBC Chicago meteorologist Alicia Roman.
Changes start to move in Thursday night with showers and storms expected and fast drop in temperatures. A spotty shower or two are possible across Lake Michigan or in northwest Indiana late Friday morning, but radars suggest the day otherwise looks dry and very cool.
Have your coat ready through the weekend, especially for Sunday's Bank of America Chicago Marathon.
Saturday's high hovers in the low 50s, and race-time temps range from a predicted 37 degrees at 7:30 a.m. to 40 degrees at 10 a.m. and 44 at noon.
Rain should stay away for the marathon, and the rest of the day is expected to be partly sunny.