Fast Facts

• The official snowfall for Chicago was 0.8" observed at Chicago O'Hare International Airport.

• The official snowfall for Rockford was 1.3" observed at Chicago Rockford International Airport.

• Other snowfall amounts include 1.7" at the NWS Chicago in Romeoville and 1.2" observed 3 miles southwest of Chicago Midway International Airport.

• Highest snowfall reports were south of I-80.

Snow/Ice Totals

Snow map updates between 8 and 10 a.m.

Public Information Statement
National Weather Service Chicago IL
0935 AM CST Sat Dec 30 2017

...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 Saturday(12/30/17)...


Northern Illinois                              Snow
  Location (County):                           fall(inches)

  Streator 4ENE (La Salle)......................5.3
  Pontiac 1ESE (Livingston).....................5.2
  Chatsworth (Livingston).......................5.0
  Dwight (Livingston)...........................5.0
  Watseka 6.9WNW (Iroquois).....................5.0
  Chatsworth (Livingston).......................5.0
  Ashkum 5.6E (Iroquois)........................4.4
  Amboy (Lee)...................................4.1
  Mazon 0.5ENE (Grundy).........................4.0
  Streator (Livingston).........................4.0
  Fairbury (Livingston).........................3.8
  La Salle (La Salle)...........................3.5
  Peru 1ENE (La Salle)..........................3.5
  Herscher 3E (Kankakee)........................3.3
  Seneca 2SSW (La Salle)........................3.2
  Wilmington 3SE (Will).........................3.1
  Park Forest (Cook)............................3.0
  Kankakee 4WNW (Kankakee)......................2.9
  Morris 6ESE (Grundy)..........................2.8
  Ottawa 1NW (La Salle).........................2.7
  St Anne (Kankakee)............................2.7
  Somonauk 2NE (De Kalb)........................2.6
  Morris (Grundy)...............................2.6
  Bonfield 4WSW (Kankakee)......................2.5
  Joliet Lock/dam (Will)........................2.5
  Coal City 4NNW (Grundy).......................2.3
  Carbon Hill 3.1N (Grundy).....................2.3
  Peotone (Will)................................2.3
  Genoa (De Kalb)...............................2.1
  Geneva 1SSW (Kane)............................2.1
  Bourbonnais (Kankakee)........................2.0
  Wheaton 2NNE (Du Page)........................2.0
  New Lenox 2SE (Will)..........................2.0
  Lockport 1SE (Will)...........................2.0
  Paw Paw (Lee).................................2.0
  Paxton (Ford).................................2.0
  Manhattan (Will)..............................1.9
  New Lenox 3E (Will)...........................1.8
  Romeoville (Will).............................1.7
  Downers Grove 0.4NNE (Du Page)................1.6
  Oak Lawn (Cook)...............................1.5
  Alsip (Cook)..................................1.5
  Naperville 2ESE (Du Page).....................1.5
  Geneva 4WSW (Kane)............................1.5
  Lily Lake 2E (Kane)...........................1.5
  Elburn (Kane).................................1.5
  Rochelle (Ogle)...............................1.5
  Willow Springs (Cook).........................1.5
  De Kalb (De Kalb).............................1.4
  Oak Park 2S (Cook)............................1.4
  Sugar Grove 1NE (Kane)........................1.4
  Batavia 2WNW (Kane)...........................1.4
  Ashton (Lee)..................................1.4
  Joliet 2n (Will)..............................1.4
  Plainfield (Will).............................1.4
  Batavia (Kane)................................1.3
  Chicago Ridge (Cook)..........................1.3
  Worth (Cook)..................................1.3
  Elburn (Kane).................................1.3
  Batavia 1WNW (Kane)...........................1.3
  Algonquin 1N (McHenry)........................1.3
  Byron 3N (Ogle)...............................1.3
  Crete 3E (Will)...............................1.3
  Rockford 1NW (Winnebago)......................1.3
  Rockford (Winnebago)..........................1.3
  Elburn (Kane).................................1.2
  Midway Coop (Cook)............................1.2
  Westmont (Du Page)............................1.2
  Woodstock 5nw (McHenry).......................1.2
  Elk Grove Village 1ESE (Cook).................1.1
  Elgin 2W (Kane)...............................1.1
  Elgin (Kane)..................................1.0
  Chicago 6ESE (Cook)...........................1.0
  Machesney Park 3ENE (Winnebago)...............1.0
  Mundelein (Lake)..............................1.0
  Elk Grove Village 2WSW (Cook).................0.9
  Schaumburg 2E (Cook)..........................0.8
  Riverwoods (Lake).............................0.8
  Roscoe 2ESE (Winnebago).......................0.8
  Ohare (Cook)..................................0.8
  Roscoe 2se (Winnebago)........................0.8
  Crystal Lake 1WSW (McHenry)...................0.8
  Hoffman Estates 5W (Cook).....................0.7
  Park Ridge 1WNW (Cook)........................0.7
  Harwood Heights (Cook)........................0.7
  Oak Park 1NNE (Cook)..........................0.7
  Lincolnwood 2E (Cook).........................0.7
  Wonder Lake 1WNW (McHenry)....................0.7
  Palatine 1E (Cook)............................0.6
  Aurora (Kane).................................0.5
  Botanic Gardens (Cook)........................0.5
  Park Ridge (Cook).............................0.5
  Countryside 1ENE (Cook).......................0.5
  La Grange Park 1SSW (Cook)....................0.5
  Waukegan 2N (Lake)............................0.5
  Capron (Boone)................................0.4

Northwest Indiana                              Snow
  Location (County):                           fall(inches)

  Remington (Jasper)............................4.0
  (w9mal)Merrillville 2NNW (Lake)...............3.0
  Portage 3E (Porter)...........................3.0
  Morocco (Newton)..............................2.5
  Rensselaer (Jasper)...........................2.5
  Dyer 1WNW (Lake)..............................2.2
  De Motte 1NNW (Jasper)........................2.0
  De Motte 4SW (Jasper).........................2.0
  (w9opr)Wheatfield 1ENE (Jasper)...............2.0
  Gary 5ENE (Lake)..............................2.0
  Crown Point (Lake)............................1.8
  Portage 1ESE (Porter).........................1.7
  Valparaiso 6SSW (Porter)......................1.5
  Valparaiso 6WSW (Porter)......................1.5
  Valparaiso 4SW (Porter).......................1.2
  Munster 2NNW (Lake)...........................1.1

Storm Reports

Map of Snowfall Local Storm Reports

    
                        

101

NWUS53 KLOT 270258

LSRLOT



Preliminary Local Storm Report

National Weather Service Chicago IL

958 PM CDT Thu Jun 26 2025



..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...

..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....

            ..REMARKS..



0709 PM     Tstm Wnd Dmg     Crystal Lake            42.24N 88.32W

06/26/2025                   McHenry            IL   911 Call Center



            Trees, tree limbs and power lines blown down

            in Crystal Lake. Time estimated.





&&



$$












                

Additional

Links

• Adjacent Areas:  Northwest IL   Central IL     WI    Northern IN    Central IN
• National Snowfall Totals
• Snow Depth Information
• Map of Snowfall Local Storm Reports
• Create Your Own Observed Contoured Snowfall Map
• Winter 2017-2018 Events in the Local Area
• NWS Chicago Science & Past Events Page