LSX issues Hazardous Weather Outlook (HWO) at Dec 7, 2:42 PM CST

https://mesonet.agron.iastate.edu/p.php?pid=202512072042-KLSX-FLUS43-HWOLSX

#mowx #ilwx

LSX issues Area Forecast Discussion (AFD) at Dec 7, 2:31 PM CST

https://mesonet.agron.iastate.edu/p.php?pid=202512072031-KLSX-FXUS63-AFDLSX

#mowx #ilwx

#ILwx #LOT #Chicago
Another shot of arctic air is on the way for next weekend (December 12-14) across the northeastern quadrant of the United States. Wind chills may drop below zero, especially during the overnight hours! Long range outlooks are available at cpc.noaa.gov.

#ILwx #LOT #Chicago
Tonight will be cold with a few snow showers near Lake Michigan. The swath of snow with the next clipper system is favored to pass to our north Tuesday into Wednesday, allowing for temperatures to warm above freezing. Colder air returns toward the end of the week.

#ILwx #LOT #Chicago
Here is a summary of the snowfall observed from last night's snow storm. Most areas north of I-80 saw amounts in the 2-5 inch range with a corridor of 5-7 inch amounts across portions of far northern IL. Those south of I-80 saw 1-3 inch amounts. Thank you to everyone who submitted reports!

National Weather Service - Chicago, IL #ILwx #LOT #NWS #WX

National Weather Service - Lincoln, IL #ILwx #ILX #NWS #WX

National Weather Service - Quad Cities IA/IL #ILwx #DVN #NWS #WX

At 1:00 PM CST, 2 SW Whiteside County A [Whiteside Co, IL] Trained Spotter reports Snow of 5.50 Inch. Delayed report. Storm total. #ilwx https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=DVN&sts=202512071900&ets=202512071900

At 11:52 AM CST, Harwood Heights [Cook Co, IL] Trained Spotter reports Snow of 4.00 Inch. Storm total snowfall. #ilwx https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=LOT&sts=202512071752&ets=202512071752

At 11:27 AM CST, La Grange [Cook Co, IL] Public reports Snow of 4.50 Inch. Storm total snowfall. #ilwx https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=LOT&sts=202512071727&ets=202512071727

At 11:00 AM CST, Edgewater - Chicago [Cook Co, IL] Public reports Snow of 4.20 Inch. Storm total snowfall. #ilwx https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=LOT&sts=202512071700&ets=202512071700

At 12:00 PM CST, 3.0 SW Midway Airport [Cook Co, IL] CO-OP Observer reports Snow of 4.30 Inch. Updated snowfall total. From 6 AM to 12 PM snow observed was 0.7 inches. #ilwx https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=LOT&sts=202512071800&ets=202512071800

At 12:00 PM CST, 1 NNE Homer Glen [Will Co, IL] Cocorahs reports Snow of 2.50 Inch. Updated storm total snowfall. #ilwx https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=LOT&sts=202512071800&ets=202512071800

At 12:00 PM CST, Ohare Airport [Cook Co, IL] Official NWS Obs reports Snow of 4.80 Inch. Storm total snowfall. From 6 AM to 12 PM snow observed was 0.8 inches. #ilwx https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=LOT&sts=202512071800&ets=202512071800

At 12:00 PM CST, Rockford Airport [Winnebago Co, IL] Official NWS Obs reports Snow of 5.80 Inch. Storm total snowfall. From 6 AM to 12 PM snow observed was 0.1 inches. #ilwx https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=LOT&sts=202512071800&ets=202512071800

At 12:00 PM CST, NWS Chicago-Romeoville [Will Co, IL] Official NWS Obs reports Snow of 2.10 Inch. Storm total snowfall. From 6 AM to 12 PM snow observed was 0.4 inches. #ilwx https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=LOT&sts=202512071800&ets=202512071800

#ILwx #LOT #Chicago
Winter 2025-2026 is off to a roaring start with over 15” of snow measured at both Chicago and Rockford in the past 9 days alone! Seasonal snow totals are getting close to or have already exceeded the (unusually low) totals from the entirety of last winter! Here are some quick stats looking at the winter so far.

LSX issues Area Forecast Discussion (AFD) at Dec 7, 11:58 AM CST

https://mesonet.agron.iastate.edu/p.php?pid=202512071758-KLSX-FXUS63-AFDLSX

#mowx #ilwx

At 11:00 AM CST, 2 NNW Bridgeport - Chic [Cook Co, IL] Public reports Snow of 4.00 Inch. Storm total snow. #ilwx https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=LOT&sts=202512071700&ets=202512071700