Illinois weather in February
One place stands in for Illinois here — these are Chicago's numbers, not a statewide average.
Based on 1 weather station, in Chicago. One station — Chicago, where Lake Michigan runs the thermostat; downstate summers come hotter, and the far south of the state sees gentler winters.
Chicago & the Lakefront
Highs near 36°, nights around 22°, and 10.7 in of snow in a typical February.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Chicago | 36° / 22° | 6 | 10.7 in | Still frozen, but the days finally start giving light back. |
Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.