A strong storm system moved through the region with snow developing by the evening hours of January 11th. The area received several waves of heavy snowfall through the morning hours of January 13th. The heaviest snowfall, which exceeded a foot in some locations, occurred over portions of central/northeast Missouri and west central Illinois, although over 6 inches of snow fell across the majority of eastern Missouri and western Illinois.

Heavy Snow in MONTGOMERY, MISSOURI
From 11-JAN-19 15:30:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Several rounds of heavy snow fell across Montgomery County beginning during the afternoon hours of January 11th through the early morning hours of January 13th.  A CoCoRaHS observer 3.5 miles southwest of Middletown reported 19.0 inches of snowfall.

Heavy Snow in WARREN, MISSOURI
From 11-JAN-19 15:30:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Warren County beginning during the afternoon hours of January 11th through the early morning hours of January 13th.  The co-op observer 1 mile north of Warrenton reported 12.5 inches of snowfall with this event. A storm spotter in Marthasville reported 10.0 inches of snowfall.

Heavy Snow in MONITEAU, MISSOURI
From 11-JAN-19 15:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Several rounds of heavy snow fell across Moniteau County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. A CoCoRaHS observer in Lupus reported 10.0 inches of snowfall.

Heavy Snow in BOONE, MISSOURI
From 11-JAN-19 15:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Boone County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. The official snowfall report from Columbia Regional Airport was 16.9 inches. Also, the official observation site at the University of Missouri - Columbia reported a storm total of 17.3 inches. A CoCoRaHS observer 1.5 miles north of Centralia reported 20.0 inches of snowfall.

Heavy Snow in FRANKLIN, MISSOURI
From 11-JAN-19 15:30:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Franklin County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. The co-op observer in Washington reported a storm total of 8.5 inches with this event. A CoCoRaHS observer 3.2 miles west of New Haven reported 11.5 inches of snowfall, while one located 3.7 miles west of St. Clair reported 10 inches of snowfall.

Heavy Snow in GASCONADE, MISSOURI
From 11-JAN-19 15:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Gasconade County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. The co-op observer in Rosebud reported a storm total of 10.6 inches with this event. A CoCoRaHS observer 3 miles south of Hermann reported 10 inches of snowfall.

Heavy Snow in ST. LOUIS, MISSOURI
From 11-JAN-19 16:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across St. Louis County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. The official storm total snowfall at St. Louis Lambert International Airport was 11.4 inches for this event. The co-op observer in Chesterfield reported 10.8 inches of snow with this event.

Heavy Snow in ST. LOUIS (C), MISSOURI
From 11-JAN-19 16:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several rounds of heavy snow fell across the City of St. Louis beginning during the afternoon hours of January 11th through the early morning hours of January 13th. There were several reports of over 10 inches of snow across the city including The Hill area and downtown near the Arch.

Heavy Snow in JEFFERSON, MISSOURI
From 11-JAN-19 15:30:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Jefferson County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. The co-op observer in DeSoto reported a storm total of 11.2 inches with this event.

Heavy Snow in STE. GENEVIEVE, MISSOURI
From 11-JAN-19 15:00:00 to 12-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several rounds of heavy snow fell across Ste. Genevieve County beginning during the afternoon hours of January 11th through the midday hours of January 12th. There were several reports of storm total snowfall between 6 and 8 inches of snow in the northern half of the county.

Heavy Snow in ST. FRANCOIS, MISSOURI
From 11-JAN-19 15:00:00 to 12-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several rounds of heavy snow fell across St. Francois County beginning during the afternoon hours of January 11th through the midday hours of January 12th. There were several reports of storm total snowfall between 6 and 8 inches of snow in the far northern portions of the county. A trained spotter reported 6 inches of snow in Blackwell.

Heavy Snow in WASHINGTON, MISSOURI
From 11-JAN-19 15:30:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Washington County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. The co-op observer 4 southwest of Potosi reported 5.9 inches of snow with this event. A trained spotter 3.2 miles west of Potosi reported a storm total of 6.9 inches with this event.

Heavy Snow in CRAWFORD, MISSOURI
From 11-JAN-19 15:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Crawford County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. Even though the co-op observer 5.6 miles southwest of Steelville only reported a storm total of 5.0 inches with this event, several storm spotters reported around 6 inches in the far northern portions of the county.

Heavy Snow in OSAGE, MISSOURI
From 11-JAN-19 15:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Osage County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. The co-op observer in Freedom reported a storm total of 9.5 inches with this event. A CoCoRaHS observer 0.8 miles southeast of Linn reported 12.0 inches of snowfall.

Heavy Snow in COLE, MISSOURI
From 11-JAN-19 15:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Cole County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. The co-op observer in Jefferson City reported a storm total of 11.0 inches with this event. A CoCoRaHS observer 4.8 miles northeast of Eugene reported 9.5 inches of snowfall and one located 5.9 miles west of Jefferson City reported 12.3 inches of snowfall.

Heavy Snow in MARION, MISSOURI
From 11-JAN-19 17:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Marion County beginning during the late afternoon hours of January 11th through the early morning hours of January 13th.  The co-op observer in Hannibal reported 13.7 inches of snowfall. A CoCoRaHS site 0.3 of a mile northwest of Monroe City reported 10.0 inches of snowfall.

Heavy Snow in LEWIS, MISSOURI
From 11-JAN-19 17:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Lewis County beginning during the late afternoon hours of January 11th through the early morning hours of January 13th.  The co-op observer at Canton Lock and Dam reported 14.0 inches of snowfall.

Heavy Snow in CALLAWAY, MISSOURI
From 11-JAN-19 15:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Several rounds of heavy snow fell across Callaway County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. A CoCoRaHS observer 3.2 miles north northwest of Kingdom City reported 16.5 inches of snowfall, while another one 2.5 miles north northeast of Holts Summit reported 14.0 inches of snowfall. A CoCoRaHS observer 5.2 miles west of New Bloomfield reported 13.8 inches of snowfall.

Heavy Snow in LINCOLN, MISSOURI
From 11-JAN-19 16:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Lincoln County beginning during the afternoon hours of January 11th through the early morning hours of January 13th.  The co-op observation one mile south of Elsberry reported 11.9 inches of snowfall and the one 3 miles east of Silex reported 12.2 inches of snowfall.

Heavy Snow in ST. CHARLES, MISSOURI
From 11-JAN-19 16:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across St. Charles County beginning during the afternoon hours of January 11th through the early morning hours of January 13th.  The official observation from the National Weather Service office in Weldon Springs reported 11.3 inches of snowfall. Also, the co-op observer 4 miles southeast of Dardenne Prairie reported 11.9 inches of snowfall and the one located 7 miles south southwest of St. Charles reported 12.7 inches of snowfall.

Heavy Snow in AUDRAIN, MISSOURI
From 11-JAN-19 16:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Several rounds of heavy snow fell across Audrain County beginning during the afternoon hours of January 11th through the early morning hours of January 13th.  The CoCoRaHS reports from 3.3 miles south southwest of Mexico and 7.8 miles south southwest of Thompson both reported 19.0 inches of snowfall with this event. The co-op observer in Vandalia reported 15.0 inches of snowfall.

Heavy Snow in PIKE, MISSOURI
From 11-JAN-19 16:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Pike County beginning during the afternoon hours of January 11th through the early morning hours of January 13th.  The co-op observer one mile east of Bowling Green reported 15.0 inches of snowfall.

Heavy Snow in RALLS, MISSOURI
From 11-JAN-19 16:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Ralls County beginning during the afternoon hours of January 11th through the early morning hours of January 13th.  The co-op observer at Clarence Cannon Dam reported 14.0 inches of snowfall and at Saverton Lock and Dam the storm total snowfall was 16.2 inches. The CoCoRaHS observer reported 14.0 inches of snowfall 3 miles north northwest of New London.

Heavy Snow in MONROE, MISSOURI
From 11-JAN-19 16:30:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Several rounds of heavy snow fell across Monroe County beginning during the afternoon hours of January 11th through the early morning hours of January 13th.  The CoCoRaHS observer reported 10.0 inches of snowfall 1.4 miles west northwest of Santa Fe.

Heavy Snow in SHELBY, MISSOURI
From 11-JAN-19 16:30:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Shelby County beginning during the late afternoon hours of January 11th through the early morning hours of January 13th.  The co-op observer in Shelbina reported 10 inches of snowfall.

Heavy Snow in KNOX, MISSOURI
From 11-JAN-19 17:00:00 to 13-JAN-19 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several rounds of heavy snow fell across Knox County beginning during the late afternoon hours of January 11th through the early morning hours of January 13th.  The co-op observer in Edina reported approximately 10 inches of snowfall.