Why does sound travel farther in the cold?
Have you ever stepped outside on a frigid, quiet morning and heard sounds emanating from somewhere far away? It's not your imagination — cold air really does carry sound farther.
Winter storm moves on with record-setting snow in its wake
The early-season winter storm that pounded the Chicago area had moved on for most of the area by just before noon Sunday, but persisted in Northwest Indiana.
What causes the northern lights? The science behind the aurora borealis.
What are the northern lights? Here is the science behind perhaps one of the most elusive natural phenomena, the shimmering waves of green, pink, and red dancing across the night sky, forming the aurora borealis.
How to see the northern lights tonight in Chicago and Illinois
Miss Tuesday night's display? You will be able to see the northern lights tonight in Chicago and Illinois on the second night of a geomagnetic storm.
Northern lights dazzle Chicago area night sky amid strong solar storms
The northern lights were visible Tuesday night across the Chicago area, illuminating the sky with brightly colorful displays due to severe solar storms.
Winter storm socks Chicago area
A Winter Storm Warning remains in effect for Northwest Indiana and the northern suburbs while much of the Chicago area has been downgraded to a Winter Weather Advisory.
Chicago winter storm timeline: How much snow will we end up with?
The Chicago area and parts of Indiana got socked with a massive and unseasonable snowfall Sunday night into Monday morning, and it was not over as the morning commute began.
Snow may interfere with Monday morning commute
Accumulating lake effect snow now looks more likely near lake Michigan Sunday night into Monday morning, which could pose a problem for Monday morning commuters in Chicago and northwest Indiana.
What is lake effect snow?
All you need to produce some of the largest snow events on record is cold wind blowing over warm water.
Chicago area could see first snow of the season this weekend
A strong cold front and developing storm system will likely lead to the first wet snowflakes of the season in the Chicago area this weekend.
Could Chicago and the Great Lakes be considered a climate haven?
Far from Gulf Coast hurricanes and California wildfires, Chicagoland seems like a safe place to be in a warming world. But is it?
Freeze Warning issued for Chicago area overnight
A Freeze Warning is in effect Friday morning for much of northern Illinois and northwest Indiana, following a recent trend of happening a little later than normal.
Why this Chicago winter could be coldest, snowiest in years
The 2025-2026 Chicago winter could be the city's coldest and snowiest in years, all thanks to a weather phenomenon thousands of miles away called "The Blob."
What does a chance of rain really mean?
The chance of rain is one of the most misunderstood elements of a weather forecast.
September 2025 poised to be one of Chicago's driest on record
This September is poised to be one of Chicago's driest on record, with little to no additional rain expected through the end of the month.