Weekend storm risk

It will be partly cloudy tonight, with an overnight low of six C (43 F).
Look for light west winds becoming calm.
There is a 20 percent chance of showers and thunderstorms tomorrow afternoon, with a high of 22 (73) and low around 14 (58).
Expect southeast winds gusting up to 20 m.p.h.
More showers and thunderstorms are likely Sunday, along with a high of 20 (68) and low dipping to one (34).
The extended forecast calls for more showers on holiday Monday, with a high of just five (42) and low near minus-one (29).
Then Tuesday will be mostly sunny but cool, with a high of 11 (53) and low around zero (32).
The record high for today is 29 (84) set in 1991 while the record low is minus-four (24) set in 2004.
Normals are 18 (64) and four (39).
Sunset today is at 8:48 p.m., with sunrise tomorrow at 5:32 a.m.