This 24 hour thunderstorm probability generated for the Storm Prediction Center off the National Weather Service's SREF (Short Range Ensemble) model indicates a near 60% chance of a t-storm in the upcoming 7am Sat to 7am time frame

Warming to boost t-storm chances; Summer 2014′s temp ups and downs roll on…

Today at 11AM by Tom Skilling

Hot, stormy weekend ahead

Today at 1PM by Tom Skilling

1-minute forecast: Severe weather threat this weekend

Today at 1PM by Tom Skilling

Warmer tomorrow, storms possible this weekend

Today at 1PM by Tom Skilling

1-minute forecast: Cool and sunny today, warm and rainy this weekend

Today at 6AM by Demetrius Ivory

Thunder to rumble by the weekend

Yesterday at 10PM by Richard Koeneman

Muggy air/t-storms ahead of strong cool surge next week

Yesterday at 10PM by WGN Team

Where should an outdoor thermometer be placed to obtain an accurate temperature reading?

Yesterday at 10PM by Tom Skilling

Warmup and storms possible for weekend

Yesterday at 6PM by Jim Ramsey
This photo is a blend of 14 shots of last night's storm taken by photographer Lorraine Mahoney. Lorraine's work is always spectacular and a visual treat!

Weather shift the subject of some spectacular photos!

Yesterday at 4PM by Tom Skilling
High waves are sweeping onto Kathy Osterman and Foster Avenue Beaches on Chicago's North Side while the high water mark evident in this image is testament to lake levels running as much as 1.3 ft. above those observed 24 hours earlier on Tuesday afternoon.

What a change! North winds mean temps way down: Lake Michigan waves, water levels up

Yesterday at 3PM by Tom Skilling

Cooler temps, lakeshore hazard alert issued

Yesterday at 2PM by Jim Ramsey
Rainfall Wed morning

Widespread showers/thunderstorms last night – heaviest rainfall in Cook County  

Yesterday at 8AM by Paul Dailey

Forecast: Cooler temps, dryer conditions today

Yesterday at 6AM by Demetrius Ivory

Punch of Canadian air arrives with little fanfare

07|22|14 by Richard Koeneman
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