Off kilter North American jet stream pattern slowing U.S. weather movement; position across Canada not the norm in September

Today at 12AM by Tom Skilling
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Fun at Navy Pier Sunday for the new IMAX movie “Tornado Alley”

Yesterday at 11AM by Tom Skilling
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7-Day Outlook

Yesterday at 11PM by WGN Team

Slow warming and longest rain-free period in over a year

Yesterday at 11PM by WGN Team

Spectacular red lightning

Yesterday at 10PM by WGN Team

Mild and warm week ahead

Yesterday at 6PM by Tom Skilling

Hurricane Hugo roared onto the U.S. Southeast Coast 25 years ago: A retrospective

Yesterday at 1PM by Tom Skilling

1-minute forecast: Astronomical fall officially begins tonight

Yesterday at 1PM by Tom Skilling

7-day forecast: Nice, warm close to September

Yesterday at 1PM by Tom Skilling
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Tim’s Weather World: A look back at our lack of heat this summer

Yesterday at 6AM by Tim McGill

1-minute forecast: Cool temps, sunshine; Fall begins tonight

Yesterday at 6AM by Paul Konrad

Mild spell follows Autumnal Equinox

09|21|14 by Paul Dailey

7-Day Outlook

09|21|14 by WGN Team

Autumnal Equinox coincides with upper air shift/warming

09|21|14 by Paul Dailey

Is June 21 through September 22 the warmest part of the year in Chicago?

09|21|14 by Tom Skilling
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