Tom Skilling

As low pressure moves off to the east and a high-pressure ridge builds into the central Plains, a brisk northerly wind will feed colder air back into our area Monday....

Dear Tom, Flooding on the Des Plaines River has become more and more frequent. Why? — Mike Sobey Dear Mike, It's certainly true that the Des Plaines River (and other...

Midafternoon Saturday, convective storms broke out along a warm front in Illinois associated with deepening low pressure in the central Plains. While thunderstorm downpours of an inch or more tracked...

Dear Tom, What are pearl clouds and when do we see them? — Hellevi Miller Dear Hellevi, Polar stratospheric clouds — also called nacreous clouds, mother-of-pearl clouds or simply pearl...

The center of low pressure Saturday over the Central Plains will intensify as it moves east, spreading a wide band of showers and embedded thunderstorms across Illinois and the Chicago...

Dear Tom, I recently read that a man named Svante Arrhenius wrote about climate change in 1896. Do you have any information on him? — Jerry Balok, Bartlett Dear Jerry,...

Early-morning light freezing rain or drizzle moves off to the east, but remnant slick roads may cause problems during the morning commute. Our area could see a little sun in...

Dear Tom, Which storms had higher winds, the 1967 Big Snow or the 2011 Groundhog Day blizzard? — Todd, Zion Dear Todd, We passed your question on to Chicago weather...

The month will likely end on a cloudy note, making this one of our five cloudiest Novembers dating back to 1893. And there is no real break in sight until...

Dear Tom, Has anyone tracked what part of Chicago historically receives the most snow: North Side, downtown or South Side? Dawn Lenza, Homer Glen Dear Dawn, A study by the...