If you are looking for fresh snow by Christmas morning or are curious about potential travel disruptions, the best chances for at least 1" of new snowfall early this week exist across the mountainous West, Great Lakes, and Northeast. Otherwise, temperatures this last full week of December will average above normal for much of the lower 48 states. Read More >
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Fast Facts
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Ice Totals
The below ice totals are from ASOS freezing rain sensors. These use an apparatus that is measuring ice accretion on a flat plane. This is therefore not representative of ice accumulation on elevated radial surfaces, such as trees and wires. For more on ice measurements and the different means, see this video from NWS Caribou, ME.
PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE CHICAGO IL 920 AM CST SUN JAN 9 2022 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 1200 AM FREEZING RAIN DUPAGE AIRPORT 41.91N 88.25W 01/09/2022 M0.24 INCH DUPAGE IL ASOS MEASURED BY THE ASOS FREEZING RAIN SENSOR. 1200 AM FREEZING RAIN AURORA AIRPORT 41.77N 88.47W 01/09/2022 M0.18 INCH KANE IL ASOS MEASURED BY THE ASOS FREEZING RAIN SENSOR. 1200 AM FREEZING RAIN MIDWAY AIRPORT 41.78N 87.75W 01/09/2022 M0.18 INCH COOK IL ASOS MEASURED BY THE ASOS FREEZING RAIN SENSOR. 1200 AM FREEZING RAIN OHARE AIRPORT 41.98N 87.90W 01/09/2022 M0.15 INCH COOK IL ASOS MEASURED BY THE ASOS FREEZING RAIN SENSOR. 1200 AM FREEZING RAIN PALWAUKEE AIRPORT 42.10N 87.90W 01/09/2022 M0.15 INCH COOK IL ASOS MEASURED BY THE ASOS FREEZING RAIN SENSOR. 1200 AM FREEZING RAIN VALPARAISO AIRPORT 41.45N 87.00W 01/09/2022 M0.14 INCH PORTER IN ASOS MEASURED BY THE ASOS FREEZING RAIN SENSOR. 1200 AM FREEZING RAIN ROCKFORD AIRPORT 42.20N 89.10W 01/09/2022 M0.10 INCH WINNEBAGO IL ASOS MEASURED BY THE ASOS FREEZING RAIN SENSOR. 1200 AM FREEZING RAIN WAUKEGAN AIRPORT 42.42N 87.87W 01/09/2022 M0.08 INCH LAKE IL ASOS MEASURED BY THE ASOS FREEZING RAIN SENSOR.
Meteorology
NWS Quad Cities weather balloon data (sounding) from 6 P.M. on the evening of January 8. Drizzle / light rain was developing in the saturated layer between 5,000 and 6,000 ft AGL on this sounding. | NWS Chicago lowest level radar reflectivity at 5:20 P.M. on January 8, showing the blossomed ~10 dBZ indicative of drizzle (freezing at the surface). | NWS Chicago lowest level radar reflectivity at 9:18 P.M. on January 8, showing the continued drizzle signature over the Chicago metro. Many surfaces were still below freezing at this time. |
Media use of NWS Web News Stories is encouraged! Additional recaps can be found on the NWS Chicago Past Events Page. |