Officials say a “flurry” of solar activity occurred over ... weekly Chicago Catch-Up newsletter. There have been multiple instances this year of particularly strong geomagnetic storms that ...

Communities in Illinois will receive a portion of $12 billion in federal disaster recovery funds for severe storms and flooding over the last two years, including $426 million for Chicago ...

An area from the Rockies into the Northern Plains will see colder than normal weather over several days ... Frigid subzero weather grips Chicago on 40-year anniversary of record low Like earlier ...

Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.

Made famous by Weather Channel meteorologist Jim Cantore, whose excitement at hearing and seeing the phenomenon is legendary in several viral videos, including one from Chicago in 2011, thundersnow is ...