Chicago Weather

The 2012 Fermilab/WGN-TV Tornado and Severe Weather Seminar takes place Saturday, April 14, at noon and repeats in its entirety at 6 p.m. Here are the list of speakers: Building on the Ongoing Revolution in Weather Forecasting: Taking Prediction of...

The Chicago area might see some thunderstorms this afternoon and tonight, but the best chance for the worst weather is expected Sunday afternoon and evening as a cold front hits. This afternoon, showers and thunderstorms are more likely south of...

The Chicago area tied the 91-year-record temperature this aftern0on, the first time in five days that we haven't reached record-breaking temperatures, officials said.The March heat spell is expected to cool down by the end of the week, when the highs will...

It may be the first day of spring, but it's feeling more like one of the waning days of summer. Today and Wednesday are expected to produce the highest temperatures of the March heat wave that began last Wednesday, according to WGN-TV meteorologist Tom...

There were record-setting temperatures for a fourth consecutive day today, marking the warmest St. Patrick's Day  in 141 years. Temperatures hit 81 at O'Hare International Airport in the early afternoon, according to the National Weather Service,...

Chicago hit another record high today when the thermometer hit 75 degrees at noon at O’Hare, continuing a streak of five days of record highs in an historically warm March. The previous record for March 18, 74 degrees, was set in 1969, according to...

Dear Tom, What are the earliest dates that Chicago has seen an 80-degree temperature and a 90-degree temperature? —Jesse Dear Jesse, It was a partly sunny, unseasonably warm and windy March 3, 1974, when the city's official thermometer at Midway...

REMARKABLE MARCH WARMTH FOR THE RECORD BOOKS We skipped Winter and as of now March.  Summer level warmth arrived very early Wednesday.  The High Wednesday of 81° broke a 22 year old record as well as delivered the first 80° temp of the year.  Temps today...

A new record high was set Wednesday as the Chicago area enters what could be a historic warming spell this early in March. At 2 p.m., the temperature at the city's official recording station at O'Hare International Airport climbed to 79, two degrees...

Dear Tom, What is Chicago's record for the greatest number of days in winter when the high temperature was above normal? Did this winter set the record? —Steve Schmidt, Chicago Dear Steve, Though it was close, meteorological winter (December...

What is Chicago's longest streak of 60-degree-plus high temperatures this early in March? —Dan Metcalf, Naperville Dear Dan, So far this spring has brought the Chicago area some very mild temperatures. With three straight 60s already on the books...

To set one new temperature record is a comparatively rare event -- but to set four of them over seven days is truly one for the books. Yet that's just what may happen over the next week here. In what appears likely to become one of the most unusual early...