A prolonged snow event occurred from the mid-afternoon on Jan 31st to the late evening on Feb 1st.  A strong area of low pressure moved across Missouri and southern Illinois spreading widespread snow across the region.  The heaviest snowfall of 9 to 15 inches generally fell along the Interstate 80 corridor.  Gusty northwest winds developed behind the system, resulting in considerable blowing and drifting snow on Feb 1st.  Several areas experienced prolonged power outages and downed tree limbs due to the heavy wet snow.

Winter Storm in BUREAU, ILLINOIS
From 01-FEB-15 03:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observer measured 15.0 inches of snow in Princeton, which was one the highest snowfall totals for eastern Iowa and northern Illinois for this event.  Using surrounding reports, the county received an estimated 11 to 15 inches of snow.

Winter Storm in HENDERSON, ILLINOIS
From 01-FEB-15 00:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observer measured 5.3 inches of snow at Gladstone Lock and Dam 18.  Using surrounding reports and analysis, the county received an estimated 5 to 7 inches of snow with the higher amounts near the northern border.

Winter Storm in ROCK ISLAND, ILLINOIS
From 01-FEB-15 00:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The snow observer for the Quad City International airport measured 14.4 inches of snow.  Other reports from trained spotters and CoCoRaHS observers were in the 8 to 14 inch range.  This was in the heaviest axis of snowfall in eastern Iowa and northern Illinois during this event.

Winter Storm in MERCER, ILLINOIS
From 01-FEB-15 00:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observer measured 6.3 inches of snow in Aledo.  Other reports from trained spotters were in the 7 to 9 inch range.  Using surrounding reports, an estimated 8 to 10 inches fell in the northern part of the county.

Winter Storm in HENRY, ILLINOIS
From 01-FEB-15 00:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observer measured 12.9 inches of snow in Kewanee.  Other reports from trained spotters and Coop observers were in the 7 to 11 inch range.  This was in the heaviest snowfall axis for eastern Iowa and northern Illinois for this event.

Winter Storm in WARREN, ILLINOIS
From 01-FEB-15 00:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Using surrounding reports, an estimated 5 to 8 inches of snow fell within the county, with the higher amounts in the northern part of the county.

Winter Storm in STEPHENSON, ILLINOIS
From 01-FEB-15 00:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observer measured 8.5 inches of snow in Freeport.  Other reports from trained spotters were in the 8 to 12 inch range.

Winter Storm in CARROLL, ILLINOIS
From 01-FEB-15 00:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observer measured 9.0 inches of snow in Shannon.  Other reports from trained spotters were in the 9 to 10.5 inch range.  Using surrounding reports and analysis, estimated higher totals of 11 to 12 inches were seen near the southern border.

Winter Storm in WHITESIDE, ILLINOIS
From 01-FEB-15 00:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observer measured 13.5 inches of snow near Coleta.  Other reports from trained spotters were in the 9 to 12 inch range.  This was in the heaviest axis of snowfall in eastern Iowa and northern Illinois during this event.

Winter Storm in PUTNAM, ILLINOIS
From 01-FEB-15 03:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observer measured 9.4 inches of snow in Hennepin.  Using surrounding reports, the county received an estimated 9 to 13 inches of snow.  A public report of 13 inches near Granville was also reported.

Winter Storm in JO DAVIESS, ILLINOIS
From 01-FEB-15 00:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observer measured 10 inches of snow in Galena.  Another Coop observer measured 8.1 inches in Elizabeth.

Winter Storm in MCDONOUGH, ILLINOIS
From 01-FEB-15 00:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observer measured 7 inches of snow in Macomb.  Using surrounding reports, the county received an estimated 4 to 7 inches of snow.

Winter Weather in HANCOCK, ILLINOIS
From 01-FEB-15 00:00:00 to 01-FEB-15 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observer measured 6.0 inches of snow in Augusta.  Other reports from trained spotters and other Coop observers were in the 4 to 5 inch range.