Extreme cold in the morning, snow in the afternoon
The wind chill warning for wind chills minus 40 to minus 50 degrees will be in effect until noon Thursday. The all-time record low temperature for Chicago, minus 27 degrees,...
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Ask Tom: What were the lowest temperatures and biggest snowstorms from 1952-65?
Dear Tom, As a baby boomer, I attended Chicago Public Schools from February 1952 through the end of January 1965, and not once did we have school canceled for inclement...
Dangerous cold continues into Thursday, gives way to much warmer weekend
Some of the coldest weather ever recorded in Chicago will be in place today and Thursday. The record low temperature of minus 27 degrees that was set on Jan. 20,...
Ask Tom: What is Chicago’s record for most consecutive hours of subzero temperatures?
Dear Tom, What is the city's record for most consecutive hours of subzero temperatures? — Jerry Pinzino, Homewood Dear Jerry, While this week's subzero spell will be significant and is...
Ask Tom: When did Lake Michigan nearly freeze over?
Dear Tom, In the winter of 1991-92, I recall some very low temperatures and Lake Michigan came very close to freezing over. Details? — Larry Schnur, Evanston Dear Larry, Wave...
Impending cold wave to rewrite the record book
It will actually feel mild for a short time Monday as Chicagoans dig out from Sunday night's snowfall. Temperatures should reach the lower 30s, with any additional precipitation falling as...
Ask Tom: Has the U.S. ever recorded a 100-degree temperature in January?
Dear Tom, January is typically the coldest month, however it can get downright hot in a few places. Has the U.S. ever recorded a 100-degree temperature in January? — Matt...
More snow, then historic cold to linger for days
The Chicago area is bracing for a double dose of winter this week: A significant snowfall will hit the area Sunday night into Monday, only to be followed by a...
Ask Tom: What is the rate of change for the city’s average high temperature?
Dear Tom, It appears that the average high hasn't changed in a few weeks. What does the rate of change look like? — William Girard, Shorewood — John Biemer, Oak...
Dangerous Friday morning wind chills, minus 20 to 30 degrees areawide
Very cold air is in place over our area with subzero temperatures areawide. We'll see negative single digits close in and temperatures in the negative teens in areas away from...