It was a summer-like day in the Chicago area Friday, with temperatures reaching into the upper 70s in the afternoon ahead of a system of scattered storms that will be followed by a significant cooldown.
The entire Chicago area was under a "slight" risk of severe weather, which ranks as level two of five on the Storm Prediction Center's scale.
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WATCH HEREHigh temperatures will be around 20 degrees cooler Saturday, with a cloudy, cooler weekend in store.
But what can you expect and when?
Track storms as they develop live below:
Overnight Friday
Weather
The greatest risk for severe weather in the overnight hours comes in areas southeast of Interstate 55, with scattered thunderstorms likely moving through the area before 1 a.m. central time.
Damaging winds and hail are the primary threat in any possible severe weather.
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The warm temperatures won't last long.
Saturday and Sunday will see temperatures dip back down into the 50s, according to the NBC 5 Storm Team. Shower chances remain in the forecast Saturday, particularly in areas to the south.
Periods of rain are expected Sunday with the possibility of isolated thunderstorms later in the day.
Showers could linger into Monday morning as temperatures warm back into the 60s.
