Atmosphere primed for afternoon/evening t-storms driven by daytime heating/cool air aloft

Today at 11PM by Tom Skilling

North Canadian heat a factor in abnormal jet stream helping drive Chicago’s unusual summer weather

Today at 10PM 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

Yesterday 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

Yesterday at 11AM by Tom Skilling

What is the Milankovitch theory?

Today at 10PM by Tom Skilling

Storm approaching Lake County (IL) has a history of wind damage

Today at 9PM by Mike Hamernik

Clouds and showers expected in the coming days

Today at 6PM by Tom Skilling

1-minute forecast: Chance for storms tonight

Today at 1PM by Tom Skilling

Scattered showers throughout week as air slowly heats up

Today at 1PM by Tom Skilling

Forecast: Warm temps, chance of showers this afternoon

Today at 6AM by Paul Konrad

What was Chicago area’s atmospheric conditions on June 12, 2013?

Today at 1AM by Tom Skilling

Monday’s winds/sharp cooling churn Lake Michigan but ease Tuesday; daytime heating threatens scattered showers/isolated t-storms in warmer hours coming 4 days

Today at 1AM by Tom Skilling

Daytime heating/unstable atmosphere to ignite scat PM showers

Yesterday at 11PM by Tom Skilling

Warmup builds through the week

Yesterday at 10PM by Tom Skilling
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

Yesterday at 7PM by Tom Skilling

Cooler temps, mild weather stick around

Yesterday at 6PM 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

Yesterday at 4PM by Tom Skilling
Next page
Streaming Live Now