Tuesday, September 1, 2026

A heat wave advisory is in effect until 9 p.m. Tuesday night. It’s been nearly one year since hundreds of federal immigration agents arrived in Chicago to accelerate their aggressive deportation campaign. A Northwestern University physicist may have found dark matter. Plus, Tuesday is the first day of meteorological autumn. Illinois State Climatologist Trent Ford walked us through a memorable summer for extreme weather and shared what could be coming next.