Tuesday-Wednesday, January 20-21st – Snow Event – Update #2

Written on 01/20/2026
Illinois Storm Chasers

(11:45AM – Tuesday, January 20th, 2025) Accumulating snowfall expected this evening through early Wednesday…

Update…
•Little in the way of changes were needed with this update, as the going forecast is on track.

Timing…
•Tuesday Evening – Wednesday Morning, January 20-21st.

📍Location…
•Northern Illinois.

❄️Hazards…
•Snowfall accumulation ranging from a dusting to 1-3″ will be likely across much of Northern Illinois, generally near and north of I-80 to the IL/WI border. Locally higher snowfall amounts will be possible near the IL/WI border.
•Travel impacts will be possible across affected areas.

✔️Summary…
•As a clipper storm system tracks through the region, a period of snow will be possible across portions of northern Illinois from Tuesday evening through Wednesday morning. Light snowfall accumulation is expected across affected areas.