Chicago forecast: mild 60s give way to first snowflakes of season
The gist
Chicago's mild low-to-mid 60s give way to a cold snap with lake-effect rain and possible first snowflakes.
Forecasters disagree on whether snow reaches Chicagoland or stays over northwest Indiana.
How it unfolded
- Nov 5, 2026A 20-degree temperature drop brings true late-fall temperatures to the Chicago area, with frost or a freeze possible by the weekend.
- Nov 9, 2026The work week opens sunny with highs in the lower 60s after a chilly morning in the upper 30s.
- Nov 10, 2026Tuesday turns warm and sunny with highs in the mid 60s, a bit cooler along the lakeshore.
Key terms
- lake-effect
- Weather produced when cold air moves over warmer lake water, picking up moisture that falls as precipitation downwind.
- Chicagoland
- The Chicago metropolitan area, including the city of Chicago, its suburbs, and surrounding counties in Illinois and Indiana.
- Veterans Day
- A U.S. federal holiday on November 11 honoring military veterans of the U.S. Armed Forces.
Source: Wikipedia