A slow-moving Alberta Clipper system produced 3-6" across most of northern Illinois and northwest Indiana from the night of Sunday, January 14 through the day of Monday, January 15. Lake effect snow continued into northeast Illinois the night of the 15th and then pivoted into far northwest Indiana on Tuesday, January 16. The lake effect snow became heavy at times, especially into Porter County, Indiana. |
Fast Facts
Snow/Ice Totals
Jan 14-16 Snowfall | Jan 14-15 Snowfall | Jan 16 Snowfall |
Public Information Statement National Weather Service Chicago/Romeoville IL 1131 AM CST Wed Jan 17 2018 ...3-Day Snowfall Roundup... The following are snow amounts for the previous 3 days as measured in the morning by NWS Cooperative Observers and CoCoRaHS observers.Observations are usually taken at 7 AM. 3-Day Snow Totals For Wednesday (01/17/18) as of 11:31 AM CST ILLINOIS 3-Day Snowfall Location (County): Amt(inches) Reports St. Charles 6NW (Kane)........................6.9 (3) Elgin 2W (Kane)...............................6.8 (3) Elgin 1S (Kane)...............................6.8 (3) Elgin (Kane)..................................6.8 (3) Geneva 1SSW (Kane)............................6.7 (3) De Kalb (De Kalb).............................6.6 (3) Wheaton 2NNE (Du Page)........................6.3 (3) Gurnee 2NE (Lake).............................6.2 (3) Genoa (De Kalb)...............................6.2 (3) Batavia (Kane)................................6.1 (3) Elburn (Kane).................................6.0 (3) Batavia 1WSW (Kane)...........................6.0 (3) Somonauk 2NE (De Kalb)........................6.0 (3) Elburn (Kane).................................6.0 (3) Geneva 4WSW (Kane)............................5.7 (3) Roscoe 2se (Winnebago)........................5.6 (3) Roscoe 2ESE (Winnebago).......................5.6 (3) Sugar Grove 1NE (Kane)........................5.6 (3) Rockford 2ENE (Winnebago).....................5.5 (3) Algonquin 1N (McHenry)........................5.5 (3) Montgomery 1SSE (Kendall).....................5.5 (3) Minooka (Grundy)..............................5.5 (3) Wonder Lake 1WNW (McHenry)....................5.4 (3) Batavia 2WNW (Kane)...........................5.4 (3) Carbon Hill 3.1N (Grundy).....................5.3 (3) Coal City 4NNW (Grundy).......................5.3 (3) Rockford 1NW (Winnebago)......................5.2 (3) Yorkville 2SE (Kendall).......................5.0 (3) Rockford (Winnebago)..........................5.0 (3) Joliet Lock/dam (Will)........................5.0 (3) Waukegan 2N (Lake)............................5.0 (3) Schaumburg 2E (Cook)..........................5.0 (3) Riverwoods (Lake).............................4.9 (3) Lisle Morton Arb (Du Page)....................4.8 (3) Mundelein 2WNW (Lake).........................4.8 (3) Park Forest (Cook)............................4.7 (3) Plainfield (Will).............................4.7 (3) New Lenox 3E (Will)...........................4.7 (3) Manhattan 1ESE (Will).........................4.7 (3) Lake Villa 1SSW (Lake)........................4.7 (3) Elk Grove Village 2WSW (Cook).................4.7 (3) Belvidere (Boone).............................4.7 (3) Romeoville (Will).............................4.6 (3) Plainfield 5SW (Kendall)......................4.6 (2) Ashkum 5.6E (Iroquois)........................4.6 (3) Elgin (Kane)..................................4.6 (3) Byron 3N (Ogle)...............................4.5 (3) Sheridan 3SSE (La Salle)......................4.5 (3) Barrington (Lake).............................4.5 (3) Peotone (Will)................................4.4 (3) Mundelein (Lake)..............................4.3 (3) Crete 3E (Will)...............................4.3 (3) Woodstock 5nw (McHenry).......................4.3 (3) Manhattan (Will)..............................4.3 (3) Lockport 1SE (Will)...........................4.3 (3) Plainfield 2SSE (Will)........................4.3 (3) Buffalo Grove 2N (Lake).......................4.3 (3) Batavia 1WNW (Kane)...........................4.3 (3) Dixon 3NNW (Lee)..............................4.2 (3) Palos Park 4WNW (Cook)........................4.2 (3) Morris (Grundy)...............................4.1 (3) Fairbury (Livingston).........................4.1 (3) Palatine 1NNE (Cook)..........................4.0 (3) Worth (Cook)..................................4.0 (3) Midway Coop (Cook)............................3.9 (3) Aurora 4SE (Du Page)..........................3.9 (3) Lincolnwood 2E (Cook).........................3.9 (3) Elmhurst 1ESE (Du Page).......................3.8 (3) La Grange Park 1SSW (Cook)....................3.8 (3) Palos Park 1SW (Cook).........................3.8 (3) Park Ridge 1WNW (Cook)........................3.8 (3) Capron (Boone)................................3.8 (3) Ohare (Cook)..................................3.7 (3) New Lenox 2SE (Will)..........................3.7 (3) Willow Springs (Cook).........................3.5 (3) Chicago Ridge (Cook)..........................3.4 (3) Oak Lawn (Cook)...............................3.4 (3) Bridgeview 1NNW (Cook)........................3.4 (3) Park Ridge (Cook).............................3.3 (3) Mendota (La Salle)............................3.2 (3) Lansing (Cook)................................3.2 (3) Rochelle (Ogle)...............................3.1 (3) Bonfield 4WSW (Kankakee)......................3.1 (3) Hoffman Estates 5W (Cook).....................3.1 (3) Harwood Heights (Cook)........................3.1 (3) Paxton (Ford).................................3.0 (3) Hebron (McHenry)..............................2.9 (3) Herscher 3E (Kankakee)........................2.8 (3) Burr Ridge 2SW (Du Page)......................2.8 (3) Steward (Lee).................................1.5 (3) INDIANA 3-Day Snowfall Location (County): Amt(inches) Reports Portage 3E (Porter)..........................11.0 (3) Porter 1S (Porter)...........................10.7 (3) Chesterton 4E (Porter).......................10.0 (3) Portage 1ESE (Porter).........................5.8 (3) Hebron 4NE (Porter)...........................4.8 (3) Valparaiso 6SSW (Porter)......................4.7 (3) Gary 5ENE (Lake)..............................4.7 (3) St. John (Lake)...............................4.6 (3) De Motte 1NNW (Jasper)........................3.8 (3) De Motte 1SSW (Jasper)........................3.7 (3) Wheatfield 3S (Jasper)........................3.7 (3) Rensselaer 2SSW (Jasper)......................3.5 (3) Rensselaer (Jasper)...........................3.4 (3) Lake Village (Newton).........................3.3 (3) De Motte 6S (Jasper)..........................3.3 (3) Crown Point 2WSW (Lake).......................3.0 (3) Remington (Jasper)............................3.0 (3)
Public Information Statement National Weather Service Chicago/Romeoville IL 1030 AM CST Tue Jan 16 2018 ...2-Day Snowfall Roundup... The following are snow amounts for the previous 2 days as measured in the morning by NWS Cooperative Observers and CoCoRaHS observers. Observations are usually taken at 7 AM. 2-DAY SNOW TOTALS FOR Tuesday (01/16/18) as of 10:30 AM CST ILLINOIS 2-Day Snowfall Location (County): Amt(inches) Reports St. Charles 6NW (Kane)........................6.9 (2) Elgin 1S (Kane)...............................6.8 (2) Elgin (Kane)..................................6.8 (2) Elgin 2W (Kane)...............................6.7 (2) Geneva 1SSW (Kane)............................6.7 (2) De Kalb (De Kalb).............................6.6 (2) St. Charles (Kane)............................6.3 (2) Wheaton 2NNE (Du Page)........................6.3 (2) Genoa (De Kalb)...............................6.2 (2) Elburn (Kane).................................6.0 (2) Batavia 1WSW (Kane)...........................6.0 (2) Somonauk 2NE (De Kalb)........................6.0 (2) Elburn (Kane).................................6.0 (2) Batavia (Kane)................................5.8 (2) Machesney Park 3ENE (Winnebago)...............5.8 (2) Geneva 4WSW (Kane)............................5.7 (2) Roscoe 2se (Winnebago)........................5.6 (2) Roscoe 2ESE (Winnebago).......................5.6 (2) Sugar Grove 1NE (Kane)........................5.6 (2) Rockford 2ENE (Winnebago).....................5.5 (2) Algonquin 1N (McHenry)........................5.5 (2) Minooka (Grundy)..............................5.5 (2) Wonder Lake 1WNW (McHenry)....................5.4 (2) Batavia 2WNW (Kane)...........................5.4 (2) Naperville 1NW (Du Page)......................5.4 (2) Rockford 1NW (Winnebago)......................5.2 (2) Carbon Hill 3.1N (Grundy).....................5.2 (2) Coal City 4NNW (Grundy).......................5.2 (2) Glen Ellyn 1WSW (Du Page).....................5.1 (2) Yorkville 2SE (Kendall).......................5.0 (2) Streator (Livingston).........................5.0 (2) Rockford (Winnebago)..........................5.0 (2) Paxton (Ford).................................5.0 (2) Joliet Lock/dam (Will)........................5.0 (2) Crystal Lake 1WSW (McHenry)...................5.0 (2) Mazon 0.5ENE (Grundy).........................5.0 (2) Dwight (Livingston)...........................5.0 (2) Riverwoods (Lake).............................4.9 (2) Schaumburg 2E (Cook)..........................4.9 (2) Lisle Morton Arb (Du Page)....................4.8 (2) Joliet 2n (Will)..............................4.8 (2) Park Forest (Cook)............................4.7 (2) Plainfield (Will).............................4.7 (2) New Lenox 3E (Will)...........................4.7 (2) Manhattan 1ESE (Will).........................4.7 (2) Highwood 1S (Lake)............................4.7 (2) Belvidere (Boone).............................4.7 (2) Romeoville (Will).............................4.6 (2) Plainfield 5SW (Kendall)......................4.6 (2) Ashkum 5.6E (Iroquois)........................4.6 (2) Elk Grove Village 2WSW (Cook).................4.6 (2) Elgin (Kane)..................................4.6 (2) Watseka (Iroquois)............................4.5 (2) Byron 3N (Ogle)...............................4.5 (2) Sheridan 3SSE (La Salle)......................4.5 (2) Lake Villa 1SSW (Lake)........................4.5 (2) Barrington (Lake).............................4.5 (2) Peotone (Will)................................4.4 (2) Mundelein 2WNW (Lake).........................4.4 (2) Crete 3E (Will)...............................4.3 (2) Manhattan (Will)..............................4.3 (2) Lockport 1SE (Will)...........................4.3 (2) Plainfield 2SSE (Will)........................4.3 (2) Buffalo Grove 2N (Lake).......................4.3 (2) Batavia 1WNW (Kane)...........................4.3 (2) Dixon 3NNW (Lee)..............................4.2 (2) Palos Park 4WNW (Cook)........................4.2 (2) Mundelein (Lake)..............................4.1 (2) Morris (Grundy)...............................4.1 (2) Fairbury (Livingston).........................4.1 (2) Ottawa (La Salle).............................4.0 (2) Chatsworth (Livingston).......................4.0 (2) Lake Villa 2WSW (Lake)........................4.0 (2) Homewood (Cook)...............................4.0 (2) Palatine 1NNE (Cook)..........................4.0 (2) Worth (Cook)..................................4.0 (2) Harvard (McHenry).............................4.0 (2) Chatsworth (Livingston).......................4.0 (2) Midway Coop (Cook)............................3.9 (2) Streator 1WSW (La Salle)......................3.9 (2) Aurora 4SE (Du Page)..........................3.9 (2) Kankakee 4WNW (Kankakee)......................3.8 (2) Elmhurst 1ESE (Du Page).......................3.8 (2) La Grange Park 1SSW (Cook)....................3.8 (2) Palos Park 1SW (Cook).........................3.8 (2) Park Ridge 1WNW (Cook)........................3.8 (2) Amboy (Lee)...................................3.8 (2) New Lenox 2SE (Will)..........................3.7 (2) Ottawa 1NW (La Salle).........................3.7 (2) Elk Grove Village 1ESE (Cook).................3.7 (2) Capron (Boone)................................3.7 (2) Botanic Gardens (Cook)........................3.7 (2) Wilmington 3SE (Will).........................3.6 (2) Ohare (Cook)..................................3.5 (2) Ottawa 2N (La Salle)..........................3.5 (2) Bourbonnais (Kankakee)........................3.5 (2) Lincolnwood 2E (Cook).........................3.4 (2) Chicago Ridge (Cook)..........................3.4 (2) Oak Lawn (Cook)...............................3.4 (2) Bridgeview 1NNW (Cook)........................3.4 (2) Cary (McHenry)................................3.3 (2) Park Ridge (Cook).............................3.3 (2) Mendota (La Salle)............................3.2 (2) Lansing (Cook)................................3.2 (2) Rochelle (Ogle)...............................3.1 (2) Bonfield 4WSW (Kankakee)......................3.1 (2) Hoffman Estates 5W (Cook).....................3.1 (2) Harwood Heights (Cook)........................3.1 (2) Paw Paw (Lee).................................3.0 (2) Marseilles (La Salle).........................3.0 (2) Alsip (Cook)..................................3.0 (2) Chicago 6ESE (Cook)...........................3.0 (2) Hebron (McHenry)..............................2.9 (2) Herscher 3E (Kankakee)........................2.8 (2) Burr Ridge 2SW (Du Page)......................2.8 (2) Paxton (Ford).................................2.5 (2) Steward (Lee).................................1.5 (2) INDIANA 2-Day Snowfall Location (County): Amt(inches) Reports St. John (Lake)...............................4.4 (2) De Motte 1SSW (Jasper)........................3.7 (2) Dyer 1WNW (Lake)..............................3.6 (2) Rensselaer 2SSW (Jasper)......................3.5 (2) Rensselaer (Jasper)...........................3.4 (2) Lake Village (Newton).........................3.3 (2) De Motte 1NNW (Jasper)........................3.3 (2) Wheatfield 3S (Jasper)........................3.3 (2) Portage 3E (Porter)...........................3.0 (2) Crown Point 2WSW (Lake).......................3.0 (2) Remington (Jasper)............................3.0 (2) De Motte 6S (Jasper)..........................3.0 (2) Hebron 4NE (Porter)...........................2.9 (2) Portage 1ESE (Porter).........................2.8 (2) Porter 1S (Porter)............................2.6 (2) Munster 2NNW (Lake)...........................2.6 (2) Valparaiso 6SSW (Porter)......................2.2 (2) Gary 5ENE (Lake)..............................2.2 (2)
Public Information Statement National Weather Service Chicago IL 1158 AM CST Wed Jan 17 2018 ...Morning Snowfall Roundup... The following are snow amounts for the previous 24 hours as measured in the morning by NWS Cooperative Observers and CoCoRaHS observers. Observations are usually taken at 7 AM. 24-hour Snowfall Amounts for Wednesday(01/17/18)... Northern Illinois Snow Location (County): fall(inches) Gurnee 2NE (Lake).............................1.2 Gurnee 2W (Lake)..............................0.7 Chicago 6ESE (Cook)...........................0.5 Rogers Park 2SW (Cook)........................0.5 Lincolnwood 2E (Cook).........................0.5 Paxton (Ford).................................0.5 Waukegan 2N (Lake)............................0.5 Highwood 1S (Lake)............................0.4 Mundelein 2WNW (Lake).........................0.4 Lincolnwood 3E (Cook).........................0.2 Lake Villa 1SSW (Lake)........................0.2 Mundelein (Lake)..............................0.2 Ohare (Cook)..................................0.2 Coal City 4NNW (Grundy).......................0.1 Capron (Boone)................................0.1 Schaumburg 2E (Cook)..........................0.1 Elk Grove Village 2WSW (Cook).................0.1 Carbon Hill 3.1N (Grundy).....................0.1 Elgin 2W (Kane)...............................0.1 Northwest Indiana Snow Location (County): fall(inches) Porter 1S (Porter)............................8.1 Portage 3E (Porter)...........................8.0 Chesterton 4E (Porter)........................7.0 Valparaiso 2NW (Porter).......................5.1 Valparaiso 4SW (Porter).......................4.7 Portage 1ESE (Porter).........................3.0 Gary 5ENE (Lake)..............................2.5 Valparaiso 6SSW (Porter)......................2.5 (w9opr)Wheatfield 1ENE (Jasper)...............2.0 (kb9f)Valparaiso 4S (Porter)..................2.0 Hebron 4NE (Porter)...........................1.9 (w9mal)Merrillville 2NNW (Lake)...............1.0 De Motte 1NNW (Jasper)........................0.5 Wheatfield 3S (Jasper)........................0.4 De Motte 6S (Jasper)..........................0.3 St. John (Lake)...............................0.2 Dyer 1WNW (Lake)..............................0.1
Storm Reports
Jan 14-15
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
829 PM CST MON JAN 15 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1230 PM SNOW 3 NE PLAINFIELD 41.65N 88.16W
01/15/2018 M4.2 INCH WILL IL TRAINED SPOTTER
1245 PM SNOW SOMONAUK 41.63N 88.68W
01/15/2018 M4.0 INCH DE KALB IL TRAINED SPOTTER
0200 PM SNOW 2 N JOLIET 41.56N 88.12W
01/15/2018 M4.3 INCH WILL IL TRAINED SPOTTER
0200 PM SNOW SE VALPARAISO 41.48N 87.05W
01/15/2018 M2.5 INCH PORTER IN TRAINED SPOTTER
0235 PM SNOW PEOTONE 41.33N 87.80W
01/15/2018 M3.8 INCH WILL IL TRAINED SPOTTER
0.3 LIQUID
0255 PM SNOW BATAVIA 41.85N 88.30W
01/15/2018 M5.2 INCH KANE IL TRAINED SPOTTER
STILL SNOWING
0330 PM SNOW 1 NW NAPERVILLE 41.77N 88.17W
01/15/2018 M4.2 INCH DUPAGE IL COCORAHS
STORM TOTAL 4.2 INCHES.
0410 PM SNOW 5 E CHESTERTON 41.60N 86.96W
01/15/2018 M3.0 INCH PORTER IN TRAINED SPOTTER
STORM TOTAL 3 INCHES IN BURDICK.
0425 PM SNOW NAPERVILLE 41.76N 88.15W
01/15/2018 M5.0 INCH DUPAGE IL BROADCAST MEDIA
0445 PM SNOW BOURBONNAIS 41.16N 87.88W
01/15/2018 M4.9 INCH KANKAKEE IL BROADCAST MEDIA
0500 PM SNOW E ST. CHARLES 41.92N 88.30W
01/15/2018 M5.0 INCH KANE IL COCORAHS
0510 PM SNOW 2 E SCHAUMBURG 42.03N 88.04W
01/15/2018 M3.8 INCH COOK IL COCORAHS
0550 PM SNOW OHARE AIRPORT 41.98N 87.90W
01/15/2018 M2.8 INCH COOK IL OFFICIAL NWS OBS
STORM TOTAL 2.8 INCHES.
0550 PM SNOW 3 SW MIDWAY AIRPORT 41.75N 87.79W
01/15/2018 M3.2 INCH COOK IL CO-OP OBSERVER
STORM TOTAL 3.2 INCHES WITH 0.17 LIQUID.
0550 PM SNOW ROMEOVILLE 41.65N 88.09W
01/15/2018 M4.1 INCH WILL IL OFFICIAL NWS OBS
STORM TOTAL 4.1 INCHES AT NWS OFFICE.
0600 PM SNOW ROCKFORD AIRPORT 42.20N 89.10W
01/15/2018 M4.4 INCH WINNEBAGO IL OFFICIAL NWS OBS
STORM TOTAL 4.4 INCHES.
0600 PM SNOW LAKE BLUFF 42.28N 87.85W
01/15/2018 M3.0 INCH LAKE IL TRAINED SPOTTER
STORM TOTAL 3.0 INCHES.
0700 PM SNOW GURNEE 42.38N 87.94W
01/15/2018 E5.0 INCH LAKE IL PUBLIC
0700 PM SNOW EARLVILLE 41.59N 88.92W
01/15/2018 M6.0 INCH LA SALLE IL PUBLIC
0700 PM SNOW HAMPSHIRE 42.10N 88.52W
01/15/2018 M5.8 INCH KANE IL PUBLIC
STILL SNOWING
0720 PM SNOW WOODSTOCK 42.31N 88.44W
01/15/2018 M5.1 INCH MCHENRY IL CO-OP OBSERVER
0.21 LIQUID
0730 PM SNOW JOLIET 41.53N 88.12W
01/15/2018 M5.5 INCH WILL IL PUBLIC
NEAR BLACK AND ESSINGTON ROADS IN JOLIET.
0745 PM SNOW LOMBARD 41.87N 88.01W
01/15/2018 M4.0 INCH DUPAGE IL PUBLIC
0755 PM SNOW OTTAWA 41.35N 88.84W
01/15/2018 M6.0 INCH LA SALLE IL PUBLIC
Jan 16
PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 628 PM CST WED JAN 17 2018 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0430 PM HEAVY SNOW VALPARAISO 41.48N 87.05W 01/16/2018 M6.0 INCH PORTER IN BROADCAST MEDIA AN AVERAGE OF SEVERAL MEASUREMENTS TAKEN NEAR ROUTE 2 AND ROUTE 49 INTERSECTION. REPORT RELAYED VIA SOCIAL MEDIA. 0437 PM SNOW VALPARAISO 41.48N 87.05W 01/16/2018 M5.0 INCH PORTER IN TRAINED SPOTTER TOTAL SNOW FOR THE DAY SO FAR MEASURED AT VALPARAISO UNIVERSITY. 2.75 INCHES FELL BETWEEN 3PM AND REPORT TIME. REPORT RELAYED VIA SOCIAL MEDIA. 0637 PM SNOW TOWN OF PINES 41.69N 86.95W 01/16/2018 M5.3 INCH PORTER IN BROADCAST MEDIA 0717 PM HEAVY SNOW 5 E CHESTERTON 41.60N 86.96W 01/16/2018 M8.0 INCH PORTER IN TRAINED SPOTTER IN BURDICK, IN. 0938 AM SNOW CHESTERTON 41.60N 87.06W 01/17/2018 M4.8 INCH PORTER IN TRAINED SPOTTER
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