It's been Summer 2014 default upper air pattern; an abnormally "wavy" jet stream driven by anomalous warmth north and west (in areas shaded red) and cool here

It’s warmer in northern Canada than in Chicago; set-up contributes to cool summer pattern here

Today at 7PM by Tom Skilling
This Lake of the Woods storm near Bremen, IN Sunday produced a powerful outflow which whipped up the waves you see here. Laura Budzilek reports the wave action snapped the anchor rope to her boat.

Midwest weekend storms behind these impressive photos

Today at 4PM by Tom Skilling
This wind streamline and velocity analysis is a product of the WeatherBell database is based on data from the National Weather Service's 4km WRF model. Arrows here depict surface winds. The colors denote sustained wind speeds in kts. The shaded green area is the region of 22 kt (25 mph) and greater wind speeds.

Full fetch N winds boost Monday lake levels here 1.3 ft.; Lake’s overall water levels is 2.9 ft above record low

Today at 4PM by Tom Skilling
Screen Shot 2014-07-28 at 10.49.51 AM

Temps/humidities crash in latest July ’14 full-fetch north wind regime; near record July wave heights

Today at 11AM by Tom Skilling

Cooler temps, mild weather stick around

Today at 6PM by Tom Skilling

A slow warmup this week

Today at 2PM by Tom Skilling

Storms possible tomorrow, slow warm up all week

Today at 2PM by Tom Skilling

Mild temps continue and storms possible tomorrow

Today at 1PM by Tom Skilling

Forecast: Mild, possibly rainy week ahead

Today at 6AM by Paul Konrad
TS_ATW

Is it true that lightning never happens out over the oceans, hundreds of miles away from land?

Yesterday at 8PM by Tom Skilling
FEATURE07282014V2_inverted

Chicago on southwest edge of cold air pattern aloft

Yesterday at 8PM by Paul Dailey
Photo by Sharyne Moy Tu

Monday likely to be coolest day of the week

Yesterday at 8PM by Paul Dailey

Sunny and mild to start the week

Yesterday at 5PM by Jim Ramsey
Severe thunderstorm watch #446

Severe weather expected to erupt EAST of the Chicago area- Severe thunderstorm watch just posted for portions of Indiana and Michigan until 9pm EDT

Yesterday at 12PM by Steve Kahn
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Storms along a cold front may pack a punch by the time they reach Michigan City and New Buffalo

Yesterday at 9AM by Mike Hamernik
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