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Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

Catastrophic flooding and landslides will continue to bring a significant risk to life and property in Washington and northwest Oregon. Arctic air will bring near record cold temperatures and dangerous wind chills from the Northern High Plains into the Mid-South and Mid-Atlantic through the weekend. A narrow band of snow is likely from the Mid-West, Upper Ohio Valley into the Central Appalachians. Read More >

Chicago, IL

Weather Forecast Office

November 25-26, 2018: Major Early Season Winter Storm

Weather.gov > Chicago, IL > November 25-26, 2018: Major Early Season Winter Storm

A major early season winter storm impacted the Midwest on November 24-26. This resulted in very heavy snowfall across portions of northern Illinois.  It was also record producing snowfall for November for both Rockford and Chicago O'Hare.  

 

Fast Facts

  • The official snowfall for Chicago was 8.4" observed at Chicago O'Hare International Airport.
  • The official snowfall for Rockford was 11.7" observed at Chicago Rockford International Airport.
  • This is now the largest snowstorm on record in November at Rockford. 
  • 11.7" on Nov. 25, 2018 set a new daily record and a November calendar day snowfall record.
  • The November 2018 snowfall total is 11.7".  As of November 26th, the snowfall total for November for Rockford is 15.6", making it the snowiest November on record in Rockford.
  • Other snowfall amounts include 2.8" at the NWS Chicago in Romeoville and 4.9" observed 3 miles southwest of Chicago Midway International Airport.

 

November Snowfall Records for Chicago November Snowfall Records for Rockford Record Setting Snowfall for Rockford November 2018

Snow/Ice Totals

 

48 hour snowfall map ending at 6 am November 27
Snow map updates between 8 and 10 a.m.

 

Text Listing of Snowfall Reports from Volunteer Observers

Public Information Statement
National Weather Service Chicago/Romeoville IL
1100 AM CST Tue Nov 27 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 (11/27/18)
     as of 11:00 AM CST

ILLINOIS                                 2-Day Snowfall
  Location (County):                         Amt(inches)

  Bull Valley 2WNW (McHenry)...................13.1
  Rockford 2ENE (Winnebago)....................13.0
  Rochelle (Ogle)..............................12.0
  Wonder Lake 1WNW (McHenry)...................12.0
  Rockford Airport  (Winnebago)................11.7
  Schaumburg 2E (Cook).........................10.5
  Elk Grove Village 2WSW (Cook)................10.3
  Lake Zurich (Lake)...........................10.1
  De Kalb 1SW (De Kalb)........................10.1
  Lake Villa 1SSW (Lake).......................10.0
  St. Charles (Kane)...........................10.0
  Woodstock 5nw (McHenry).......................9.7
  De Kalb (De Kalb).............................9.7
  De Kalb (De Kalb).............................9.1
  Capron (Boone)................................9.0
  Harvard (McHenry).............................9.0
  Belvidere (Boone).............................9.0
  Buffalo Grove 2N (Lake).......................8.9
  Rockford 1NW (Winnebago)......................8.8
  Mundelein 2WNW (Lake).........................8.8
  Hebron (McHenry)..............................8.5
  Chicago O`Hare  (Cook)........................8.4
  North Aurora 2NE (Kane).......................8.4
  Genoa (De Kalb)...............................8.4
  Elburn (Kane).................................8.4
  Elgin 2W (Kane)...............................8.2
  Hoffman Estates 5W (Cook).....................8.2
  Gurnee 2NE (Lake).............................8.1
  St. Charles 6NW (Kane)........................8.1
  Mundelein (Lake)..............................7.8
  Gurnee 2W (Lake)..............................7.8
  Lake Villa 2WSW (Lake)........................7.6
  Algonquin 1N (McHenry)........................7.5
  Riverwoods (Lake).............................7.5
  Elk Grove Village 1ESE (Cook).................7.4
  Wheaton 2NNE (Du Page)........................7.0
  Roscoe 2se (Winnebago)........................6.7
  Roscoe 2ESE (Winnebago).......................6.7
  Lincolnshire 1N (Lake)........................6.7
  Park Ridge 1WNW (Cook)........................6.7
  Downers Grove 0.4NNE (Du Page)................6.7
  Waukegan 2N (Lake)............................6.6
  Palatine 1NNE (Cook)..........................6.5
  Willow Springs (Cook).........................6.4
  Lisle Morton Arb (Du Page)....................6.4
  La Salle (La Salle)...........................6.4
  Palatine 1E (Cook)............................6.2
  Elgin (Kane)..................................6.2
  Elmhurst 1ESE (Du Page).......................6.2
  Paw Paw (Lee).................................6.0
  Park Ridge (Cook).............................6.0
  Earlville 3S (La Salle).......................6.0
  Oak Park 2S (Cook)............................5.8
  Steward (Lee).................................5.5
  Naperville 2SE (Du Page)......................5.5
  Cary (McHenry)................................5.3
  Lisle 1SE (Du Page)...........................5.3
  Yorkville 2SE (Kendall).......................5.0
  Mendota (La Salle)............................5.0
  Sugar Grove 1NE (Kane)........................5.0
  Lincolnwood 2E (Cook).........................5.0
  Midway Coop (Cook)............................4.9
  Naperville 4SSW (Will)........................4.5
  Plainfield 2SSE (Will)........................4.5
  Streator 1WSW (La Salle)......................4.5
  Burr Ridge 2SW (Du Page)......................4.5
  Aurora 4SE (Du Page)..........................4.5
  Batavia (Kane)................................4.5
  Naperville 1NW (Du Page)......................4.4
  Peru 1ENE (La Salle)..........................4.0
  Somonauk 2NE (De Kalb)........................4.0
  Rogers Park 2SW (Cook)........................3.8
  Chicago Ridge (Cook)..........................3.7
  Worth (Cook)..................................3.6
  Westmont (Du Page)............................3.5
  Morris (Grundy)...............................3.5
  Oak Lawn (Cook)...............................3.4
  New Lenox 2SE (Will)..........................3.1
  Oak Lawn 2WNW (Cook)..........................3.1
  Sheridan 3SSE (La Salle)......................3.0
  Dwight (Livingston)...........................3.0
  Manhattan (Will)..............................2.9
  Manhattan 5ENE (Will).........................2.9
  Bridgeview 1NNW (Cook)........................2.9
  Romeoville (Will).............................2.8
  Minooka (Grundy)..............................2.8
  Plainfield (Will).............................2.7
  Countryside 1ENE (Cook).......................2.7
  New Lenox 3E (Will)...........................2.6
  Monee (Will)..................................2.5
  Joliet 2n (Will)..............................2.5
  Homer Glen 1ENE (Will)........................2.5
  Lockport 1SE (Will)...........................2.4
  Palos Park 1SW (Cook).........................2.4
  Elgin (Kane)..................................2.4
  Lansing (Cook)................................2.3
  Ottawa 2N (La Salle)..........................2.3
  Morris 6ESE (Grundy)..........................2.3
  La Grange Park 1SSW (Cook)....................2.3
  Park Forest 1SW (Cook)........................2.3
  Ottawa 1NW (La Salle).........................2.0
  Peotone (Will)................................1.9
  Homewood (Cook)...............................1.9
  McHenry (Stratton Lock & Dam) (McHenry).......1.8
  Carbon Hill 3.1N (Grundy).....................1.8
  Coal City 4NNW (Grundy).......................1.8
  Brandon Road Lock & Dam (Will)................1.5
  Bourbonnais (Kankakee)........................1.0
  Chatsworth (Livingston).......................0.5
  Herscher 3E (Kankakee)........................0.4


INDIANA                                    2-Day Snowfall
  Location (County):                         Amt(inches) Reports

  Valparaiso 2NW (Porter).......................3.3
  (w9mal)Merrillville 2NNW (Lake)...............3.0
  Crown Point 1N (Lake).........................2.8
  Crown Point (Lake)............................2.8
  Valparaiso 6SSW (Porter)......................2.4
  Crown Point 2WSW (Lake).......................1.6
  Valparaiso 2WSW (Porter)......................1.5
  Hebron 4NE (Porter)...........................1.1
  Portage 1ESE (Porter).........................0.5
  De Motte 6S (Jasper)..........................0.5
  Mount Ayr 2NNE (Newton).......................0.4
  Gary 5ENE (Lake)..............................0.1

$$

 

Storm Reports

 

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO IL
239 PM CST MON NOV 26 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1200 PM     SNOW             NWS CHICAGO-ROMEOVILLE  41.60N 88.08W
11/26/2018  M2.9 INCH        WILL               IL   OFFICIAL NWS OBS

            STORM TOTAL SNOWFALL AT NWS CHICAGO IN
            ROMEOVILLE, IL.

1200 PM     SNOW             OHARE AIRPORT           41.98N 87.90W
11/26/2018  M8.4 INCH        COOK               IL   OFFICIAL NWS OBS

            STORM TOTAL SNOWFALL.

0900 AM     HEAVY SNOW       1 ENE ROCKFORD          42.28N 89.04W
11/26/2018  M13.0 INCH       WINNEBAGO          IL   COCORAHS

            MIX OF SLEET AND SNOW. 1.12 INCHES SNOW
            WATER EQUIVALENT.

0900 AM     SNOW             3 SW MIDWAY AIRPORT     41.73N 87.77W
11/26/2018  M4.9 INCH        COOK               IL   CO-OP OBSERVER



0814 AM     SNOW             1 W EVANSTON            42.05N 87.71W
11/26/2018  M3.0 INCH        COOK               IL   PUBLIC



0800 AM     HEAVY SNOW       1 NNE NEW MILLFORD      42.19N 89.06W
11/26/2018  M12.0 INCH       WINNEBAGO          IL   COCORAHS



0800 AM     HEAVY SNOW       DOWNERS GROVE           41.80N 88.01W
11/26/2018  M6.6 INCH        DUPAGE             IL   PUBLIC



0800 AM     SNOW             MORRIS                  41.36N 88.42W
11/26/2018  M3.5 INCH        GRUNDY             IL   CO-OP OBSERVER



0800 AM     SNOW             BULT FIELD 5 SE MONEE   41.38N 87.68W
11/26/2018  M1.5 INCH        WILL               IL   COCORAHS



0800 AM     SNOW             MINOOKA                 41.45N 88.26W
11/26/2018  M2.7 INCH        GRUNDY             IL   COCORAHS



0745 AM     SNOW             4 NNW COAL CITY         41.34N 88.31W
11/26/2018  M1.6 INCH        GRUNDY             IL   TRAINED SPOTTER

            1.35 OF LIQUID, MOST FELL AS RAIN.

0737 AM     HEAVY SNOW       1 S MOUNT PROSPECT      42.05N 87.94W
11/26/2018  M8.3 INCH        COOK               IL   PUBLIC



0730 AM     SNOW             1 NW OTTAWA             41.36N 88.86W
11/26/2018  M2.0 INCH        LA SALLE           IL   COCORAHS

            0.66 INCHES SNOW WATER EQUIVALENT.

0715 AM     HEAVY SNOW       3 N AURORA              41.81N 88.29W
11/26/2018  M6.3 INCH        KANE               IL   TRAINED SPOTTER

            ESTIMATE 0.9 INCHES OF LIQUID EQUIVALENT.

0710 AM     SNOW             1 NNW LINDENHURST       42.43N 88.04W
11/26/2018  M9.0 INCH        LAKE               IL   TRAINED SPOTTER

            2 INCHES FELL OVERNIGHT, UP TO 9.0 INCH
            TOTAL.

0710 AM     SNOW             EVANSTON                42.05N 87.69W
11/26/2018  M2.0 INCH        COOK               IL   TRAINED SPOTTER

            ALL IN THE LAST 3 HOURS.

0700 AM     HEAVY SNOW       1 NW ROCKFORD           42.28N 89.08W
11/26/2018  M8.5 INCH        WINNEBAGO          IL   COCORAHS

            MEASURED USING SNOW BOARD. POSSIBLE
            UNDERESTIMATE DUE TO DRIFTING. 0.71 INCHES
            SNOW WATER EQUIVALENT.

0700 AM     HEAVY SNOW       MENDOTA                 41.55N 89.12W
11/26/2018  M5.5 INCH        LA SALLE           IL   CO-OP OBSERVER



0700 AM     HEAVY SNOW       PAW PAW                 41.69N 88.98W
11/26/2018  M6.0 INCH        LEE                IL   CO-OP OBSERVER



0700 AM     HEAVY SNOW       STEWARD                 41.85N 89.02W
11/26/2018  M5.5 INCH        LEE                IL   CO-OP OBSERVER



0700 AM     HEAVY SNOW       ASHTON                  41.86N 89.23W
11/26/2018  M12.0 INCH       LEE                IL   COCORAHS

            1.53 INCHES SNOW WATER EQUIVALENT.

0700 AM     HEAVY SNOW       ELBURN                  41.89N 88.47W
11/26/2018  M9.2 INCH        KANE               IL   TRAINED SPOTTER



0700 AM     HEAVY SNOW       DE KALB                 41.93N 88.76W
11/26/2018  M9.1 INCH        DE KALB            IL   CO-OP OBSERVER



0700 AM     HEAVY SNOW       1 WSW HARVARD           42.42N 88.63W
11/26/2018  M9.0 INCH        MCHENRY            IL   CO-OP OBSERVER



0700 AM     HEAVY SNOW       2 SW GENOA              42.08N 88.71W
11/26/2018  M8.4 INCH        DE KALB            IL   CO-OP OBSERVER



0700 AM     HEAVY SNOW       1 SW ROCHELLE           41.91N 89.07W
11/26/2018  M12.0 INCH       OGLE               IL   CO-OP OBSERVER



0700 AM     HEAVY SNOW       2 NNW HAWTHORN WOODS    42.26N 88.08W
11/26/2018  M7.8 INCH        LAKE               IL   CO-OP OBSERVER

            1.22 INCHES OF LIQUID EQUIVALENT.

0700 AM     SNOW             2 SE SOUTH BELOIT       42.46N 89.01W
11/26/2018  M5.1 INCH        WINNEBAGO          IL   COCORAHS

            SNOW ACCUMULATION AN AVERAGE OF SEVERAL
            MEASUREMENTS. 0.38 INCHES SNOW WATER
            EQUIVALENT.

0700 AM     SNOW             1 NE DWIGHT             41.11N 88.41W
11/26/2018  M3.0 INCH        LIVINGSTON         IL   CO-OP OBSERVER



0700 AM     SNOW             1 SSE MONTGOMERY        41.72N 88.33W
11/26/2018  M2.5 INCH        KENDALL            IL   COCORAHS



0700 AM     SNOW             2.4 SSE PLAINFIELD      41.58N 88.19W
11/26/2018  M4.1 INCH        WILL               IL   COCORAHS

            0.46 SNOW WATER EQUIVALENT.

0700 AM     SNOW             5 SW PLAINFIELD         41.57N 88.27W
11/26/2018  M5.0 INCH        KENDALL            IL   COCORAHS



0700 AM     SNOW             CHATSWORTH              40.75N 88.29W
11/26/2018  M0.5 INCH        LIVINGSTON         IL   COCORAHS



0700 AM     SNOW             1 W MOKENA              41.53N 87.90W
11/26/2018  M2.4 INCH        WILL               IL   COCORAHS



0700 AM     SNOW             2 SE NEW LENOX          41.49N 87.96W
11/26/2018  M3.0 INCH        WILL               IL   COCORAHS

            0.63 SNOW WATER EQUIVALENT.

0700 AM     SNOW             PEOTONE                 41.33N 87.79W
11/26/2018  M1.9 INCH        WILL               IL   COCORAHS



0700 AM     SNOW             2 N OTTAWA              41.37N 88.84W
11/26/2018  M2.3 INCH        LA SALLE           IL   PUBLIC

            MEASURED ON SNOW BOARD. LIKELY
            UNDER-ESTIMATED DUE TO WIND.

0700 AM     SNOW             LA SALLE                41.34N 89.10W
11/26/2018  M6.1 INCH        LA SALLE           IL   COCORAHS

            1.12 INCHES SNOW WATER EQUIVALENT.

0700 AM     SNOW             3.3 E HERSCHER          41.05N 88.04W
11/26/2018  M0.4 INCH        KANKAKEE           IL   COCORAHS

            SNOW MIXED HEAVILY WITH ICE.

0700 AM     SNOW             1.3 WSW STREATOR        41.12N 88.85W
11/26/2018  M4.5 INCH        LA SALLE           IL   COCORAHS

            1.06 INCH SNOW WATER EQUIVALENT.

0700 AM     SNOW             0.7 ENE PERU            41.35N 89.12W
11/26/2018  M4.0 INCH        LA SALLE           IL   COCORAHS



0630 AM     HEAVY SNOW       2 ESE ROSCOE            42.40N 88.98W
11/26/2018  M6.7 INCH        WINNEBAGO          IL   COCORAHS

            SNOW ACCUMULATION AN AVERAGE OF SEVERAL
            MEASUREMENTS.

0628 AM     HEAVY SNOW       2.5 WNW BULL VALLEY     42.33N 88.40W
11/26/2018  M13.1 INCH       MCHENRY            IL   COCORAHS



0615 AM     SNOW             DOWNERS GROVE           41.79N 88.01W
11/26/2018  M4.5 INCH        DUPAGE             IL   NWS EMPLOYEE

            SNOW ONGOING AT TIME OF MEASUREMENT. 3:1
            SNOW RATIO.

0600 AM     HEAVY SNOW       CRYSTAL LAKE            42.23N 88.33W
11/26/2018  M7.6 INCH        MCHENRY            IL   CO-OP OBSERVER

            CORRECTS PREVIOUS HEAVY SNOW REPORT FROM
            CRYSTAL LAKE.

0600 AM     SNOW             2 NE SOMONAUK           41.65N 88.66W
11/26/2018  M4.0 INCH        DE KALB            IL   COCORAHS

            0.24 INCHES SNOW WATER EQUIVALENT.

0600 AM     SNOW             NWS CHICAGO-ROMEOVILLE  41.60N 88.08W
11/26/2018  M1.9 INCH        WILL               IL   OFFICIAL NWS OBS

            0.5 INCHES SINCE MIDNIGHT.

0555 AM     HEAVY SNOW       OHARE AIRPORT           41.99N 87.90W
11/26/2018  M7.4 INCH        COOK               IL   OFFICIAL NWS OBS

            STORM TOTAL 7.4 INCHES. 4.1 INCHES SINCE
            MIDNIGHT.

0550 AM     SNOW             3 SW MIDWAY AIRPORT     41.75N 87.79W
11/26/2018  M3.4 INCH        COOK               IL   CO-OP OBSERVER

            STORM TOTAL SNOWFALL 3.4 INCHES. SNOW DEPTH
            2 INCHES. TOTAL LIQUID 1.34 INCHES.

0535 AM     HEAVY SNOW       WOODSTOCK               42.31N 88.44W
11/26/2018  M11.5 INCH       MCHENRY            IL   CO-OP OBSERVER



0523 AM     HEAVY SNOW       MARENGO                 42.25N 88.61W
11/26/2018  M10.9 INCH       MCHENRY            IL   PUBLIC



0500 AM     HEAVY SNOW       0.1 N CAPRON            42.40N 88.74W
11/26/2018  M9.0 INCH        BOONE              IL   COCORAHS



0440 AM     HEAVY SNOW       LINDENHURST             42.41N 88.03W
11/26/2018  M9.0 INCH        LAKE               IL   PUBLIC



0425 AM     HEAVY SNOW       DOWNERS GROVE           41.80N 88.01W
11/26/2018  M4.1 INCH        DUPAGE             IL   BROADCAST MEDIA




&&

$$

 

Peak Winds

 

Peak Winds

 

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
111 PM CST MON NOV 26 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0730 AM     NON-TSTM WND DMG DOWNERS GROVE           41.79N 88.01W
11/26/2018                   DUPAGE             IL   NWS EMPLOYEE

            NUMEROUS 3-6 INCH DIAMETER BRANCHES DOWN IN
            DOWNERS GROVE DUE TO WIND AND SNOW.

0235 PM     NON-TSTM WND GST PERU/ILLINOIS VALLEY RE 41.35N 89.15W
11/25/2018  M46 MPH          LA SALLE           IL   AWOS

            PRELIMINARY WINTER STORM EVENT MAX WIND
            GUST.

0152 AM     NON-TSTM WND GST WHEELING/CHICAGO EXECUT 42.11N 87.90W
11/26/2018  M50 MPH          COOK               IL   ASOS

            PRELIMINARY WINTER STORM EVENT MAX WIND
            GUST.

0152 AM     NON-TSTM WND GST WEST CHICAGO/DUPAGE AIR 41.91N 88.25W
11/26/2018  M49 MPH          DUPAGE             IL   ASOS

            PRELIMINARY WINTER STORM EVENT MAX WIND
            GUST.

0215 AM     NON-TSTM WND GST DEKALB MUNICIPAL AIRPOR 41.93N 88.71W
11/26/2018  M39 MPH          DE KALB            IL   AWOS

            PRELIMINARY WINTER STORM EVENT MAX WIND
            GUST.

0215 AM     NON-TSTM WND GST ROCHELLE MUNICIPAL AIRP 41.89N 89.08W
11/26/2018  M38 MPH          OGLE               IL   AWOS

            PRELIMINARY WINTER STORM EVENT MAX WIND
            GUST.

0254 AM     NON-TSTM WND GST ROCKFORD AIRPORT        42.20N 89.10W
11/26/2018  M46 MPH          WINNEBAGO          IL   ASOS

            PRELIMINARY WINTER STORM EVENT MAX WIND
            GUST.

0453 AM     NON-TSTM WND GST CHICAGO/MIDWAY AIRPORT  41.79N 87.75W
11/26/2018  M50 MPH          COOK               IL   ASOS

            PRELIMINARY WINTER STORM EVENT MAX WIND
            GUST.

0335 PM     NON-TSTM WND GST ROMEOVILLE/LEWIS UNIVER 41.61N 88.10W
11/25/2018  M38 MPH          WILL               IL   AWOS

            PRELIMINARY WINTER STORM EVENT MAX WIND
            GUST. INCOMPLETE DATA DUE TO OUTAGE.

0155 AM     NON-TSTM WND GST WAUKEGAN REGIONAL AIRPO 42.42N 87.87W
11/26/2018  M47 MPH          LAKE               IL   ASOS

            PRELIMINARY WINTER STORM EVENT MAX WIND
            GUST. INCOMPLETE DATA DUE TO OUTAGE.

0552 PM     NON-TSTM WND GST AURORA MUNICIPAL AIRPOR 41.77N 88.47W
11/25/2018  M47 MPH          KANE               IL   ASOS

            PRELIMINARY WINTER STORM EVENT MAX WIND
            GUST. INCOMPLETE DATA DUE TO OUTAGE.


&&

$$

 

Additional

Photos

Photo by Willie Gillpie - Libertyville, IL Photo by Joseph Bittolo - Rolling Meadows, IL Photo by mark Gottlieb - West Chicago
Photo courtesy of Willie Gillespie
Libertyville, IL		 Photo courtesy of Joseph Bittolo
Rolling Meadows		 Photo courtesy of Mark Gottlieb
West Chicago

 

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