Alert archive / Illinois / Winter Storm Warnings in 2021
Winter Storm Warning 4, NWS Chicago, IL
NWS Chicago, IL issued this winter storm warning at Feb 14, 2021, 2:19 PM CST for 10 counties in Illinois; 5 counties in Indiana. It took effect at Feb 14, 2021, 6:00 PM CST. It was in force for 45 hr. 60 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 14, 2021, 2:19 PM CST (20:19 UTC)
- In effect from
- Feb 14, 2021, 6:00 PM CST
- Expired
- Feb 16, 2021, 3:00 PM CST
- In force
- 45 hr
- Issued by
- NWS Chicago, IL
Counties Cook County, IL, DuPage County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Kankakee County, IL, Kendall County, IL, Lake County, IL, Livingston County, IL, Will County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Porter County, IN
The radar
The Chicago radar (KLOT), 42 km from the middle of the area, began a volume at 20:19 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 15, 3:00 AM CST | SNOW 10 | 3 N Valparaiso, IN | MOST SNOW FELL BETWEEN 12 AM AND 3 AM WITH NEARLY 3 INCH PER HOUR RATES AT TIMES. |
| Feb 15, 5:28 AM CST | SNOW 1 | 1 Ne Homer Glen, IL | |
| Feb 15, 6:00 AM CST | SNOW 0.8 | Nws Chicago-Romeoville, IL | SNOW TOTAL AS OF 6AM. |
| Feb 15, 6:00 AM CST | SNOW 1 | 1 N Morocco, IN | CO-OP OBSERVER STATION MORI3 MOROCCO. |
| Feb 15, 6:00 AM CST | SNOW 1.1 | Ohare Airport, IL | SNOW TOTAL AS OF 6 AM. |
| Feb 15, 6:00 AM CST | SNOW 1.4 | 3 Sw Midway Airport, IL | SNOW TOTAL AS OF 6AM. |
| Feb 15, 6:30 AM CST | SNOW 1 | 1 Se Lakewood Shores, IL | COCORAHS STATION IL-WL-73 LAKEWOOD SHORES 1 SE. |
| Feb 15, 6:59 AM CST | SNOW 1.2 | 1 Nnw Downers Grove, IL | COCORAHS STATION IL-DP-127 DOWNERS GROVE 1 NNW. |
| Feb 15, 7:00 AM CST | SNOW 0.6 | 1 W Peotone, IL | CO-OP OBSERVER STATION PEOI2 PEOTONE. |
| Feb 15, 7:00 AM CST | SNOW 0.8 | St. Anne, IL | CO-OP OBSERVER STATION SAAI2 ST. ANNE. |
| Feb 15, 7:00 AM CST | SNOW 0.9 | 1 Wsw Crest Hill, IL | CO-OP OBSERVER STATION JKJI2 JOLIET 2 N. |
| Feb 15, 7:00 AM CST | SNOW 1 | 2 Wnw Boone Grove, IN | COCORAHS STATION IN-PT-18 BOONE GROVE 2 WNW. |
| Feb 15, 7:00 AM CST | SNOW 1 | 2 Wsw Palos Park, IL | COCORAHS STATION IL-CK-50 PALOS PARK 2 WSW. |
| Feb 15, 7:00 AM CST | SNOW 1 | 3 Se Naperville, IL | COCORAHS STATION IL-DP-49 NAPERVILLE 3 SE. |
| Feb 15, 7:00 AM CST | SNOW 1 | 3 S Sauk Village, IL | COCORAHS STATION IL-WL-25 CRETE 3 E. |
| Feb 15, 7:00 AM CST | SNOW 1 | Chatsworth, IL | CO-OP OBSERVER STATION CHTI2 CHATSWORTH. |
| Feb 15, 7:00 AM CST | SNOW 1 | Chicago Ridge, IL | COCORAHS STATION IL-CK-152 CHICAGO RIDGE. |
| Feb 15, 7:00 AM CST | SNOW 1.1 | 1 Ese Lombard, IL | COCORAHS STATION IL-DP-163 LOMBARD. |
| Feb 15, 7:00 AM CST | SNOW 1.2 | 2 S Woodridge, IL | COCORAHS STATION IL-DP-102 BOLINGBROOK 3 NE. |
| Feb 15, 7:00 AM CST | SNOW 1.2 | 3 Sse St. John, IN | COCORAHS STATION IN-LK-99 ST. JOHN 3 SSE. |
| Feb 15, 7:00 AM CST | SNOW 1.3 | 1 Ssw Park Ridge, IL | COCORAHS STATION IL-CK-180 PARK RIDGE 1 SSW. |
| Feb 15, 7:00 AM CST | SNOW 1.4 | 1 W Hoffman Estates, IL | COCORAHS STATION IL-CK-278 HOFFMAN ESTATES. |
| Feb 15, 7:00 AM CST | SNOW 1.5 | Evanston, IL | COCORAHS STATION IL-CK-334 EVANSTON. |
| Feb 15, 7:00 AM CST | SNOW 1.5 | Highwood, IL | COCORAHS STATION IL-LK-69 HIGHWOOD. |
| Feb 15, 7:00 AM CST | SNOW 1.6 | 2 E Schaumburg, IL | COCORAHS STATION IL-CK-131 SCHAUMBURG 2 E. |
| Feb 15, 7:00 AM CST | SNOW 1.6 | Bannockburn, IL | COCORAHS STATION IL-LK-15 BANNOCKBURN. |
| Feb 15, 7:00 AM CST | SNOW 1.6 | Clarendon Hills, IL | CO-OP OBSERVER STATION WJWI2 CLARENDON HILLS. |
| Feb 15, 7:00 AM CST | SNOW 4.3 | 3 Nnw Lake Station, IN | COCORAHS STATION IN-LK-63 GARY 5 ENE. |
| Feb 15, 7:00 AM CST | SNOW 4.9 | Porter, IN | COCORAHS STATION IN-PT-69 PORTER. |
| Feb 15, 7:00 AM CST | SNOW 6.9 | 2 E Chesterton, IN | COCORAHS STATION IN-PT-110 CHESTERTON 2 E. |
| Feb 15, 7:00 AM CST | SNOW 7 | 4 Ese Chesterton, IN | COCORAHS STATION IN-PT-159 CHESTERTON 4 ESE. |
| Feb 15, 7:00 AM CST | SNOW 8.3 | 1 N Valparaiso, IN | COCORAHS STATION IN-PT-98 VALPARAISO 1 N. |
| Feb 15, 7:05 AM CST | SNOW 1.1 | 1 W Mokena, IL | COCORAHS STATION IL-WL-42 MOKENA 1 W. |
| Feb 15, 7:30 AM CST | SNOW 1 | 1 Wnw Bridgeview, IL | COCORAHS STATION IL-CK-12 BRIDGEVIEW 1 WNW. |
| Feb 15, 7:30 AM CST | SNOW 1.3 | 1 E Palatine, IL | COCORAHS STATION IL-CK-121 PALATINE 1 E. |
| Feb 15, 7:30 AM CST | SNOW 1.5 | 1 Ne Crown Point, IN | CO-OP OBSERVER STATION CRPI3 CROWN POINT. |
| Feb 15, 7:30 AM CST | SNOW 1.5 | 1 Nw Collegeville, IN | CO-OP OBSERVER STATION RZZI3 RENSSELAER 2 SW. |
| Feb 15, 8:00 AM CST | SNOW 0.9 | 6 E Ashkum, IL | COCORAHS STATION IL-IR-2 ASHKUM 6 E. |
| Feb 15, 8:00 AM CST | SNOW 1 | 1 Nnw Morris, IL | CO-OP OBSERVER STATION MOSI2 MORRIS 1 NW. |
| Feb 15, 8:00 AM CST | SNOW 1.3 | 3 Nw Carbon Hill, IL | COCORAHS STATION IL-GY-27 CARBON HILL 3 NW. |
| Feb 15, 8:00 AM CST | SNOW 1.6 | 1 Sw Glen Ellyn, IL | COCORAHS STATION IL-DP-155 GLEN ELLYN 1 SW. |
| Feb 15, 11:00 AM CST | SNOW 4.7 | 2 E Wilmette, IL | SNOW TOTAL SINCE 7 AM. 2.6 INCHES OF SNOW IN THE LAST HOUR. |
| Feb 15, 11:45 AM CST | HEAVY SNOW 4 | Evanston, IL | 4 INCHES OF SNOW IN THE LAST TWO HOURS. |
| Feb 15, 12:00 PM CST | SNOW 1.6 | Ohare Airport, IL | SNOW TOTAL AS OF 12 PM. |
| Feb 15, 12:00 PM CST | SNOW 2.4 | 3 Sw Midway Airport, IL | SNOW TOTAL AS OF 12 PM. |
| Feb 15, 12:15 PM CST | SNOW 4 | Dolton, IL | EVENT TOTAL SO FAR. |
| Feb 15, 12:45 PM CST | SNOW 5.8 | Portage, IN | EVENT TOTAL SO FAR. |
| Feb 15, 12:50 PM CST | HEAVY SNOW 3 | Harwood Heights, IL | SNOW TOTAL IN THE PAST TWO AND A HALF HOURS. |
| Feb 15, 12:55 PM CST | HEAVY SNOW 5 | 1 Wnw West Ridge - Chic, IL | SNOW TOTAL IN THE PAST SIX HOURS. |
| Feb 15, 4:45 PM CST | SNOW 4.5 | Oak Lawn, IL | STORM TOTAL THROUGH 445PM - RELAYED VIA SOCIAL MEDIA. |
| Feb 15, 5:00 PM CST | SNOW 5 | Westchester, IL | EVENT TOTAL AS OF 5 PM CST. |
| Feb 15, 5:00 PM CST | SNOW 7 | 2 E Wilmette, IL | EVENT TOTAL AS OF 5 PM CST. UPDATES PREVIOUS SNOW TOTAL FROM 2 E WILMETTE. |
| Feb 15, 5:30 PM CST | SNOW 7 | Chatsworth, IL | EVENT TOTAL SNOWFALL INCLUDING LAST NIGHTS SNOW. 6 INCHES SINCE 7 AM. |
| Feb 15, 6:00 PM CST | SNOW 2.4 | Ohare Airport, IL | EVENT TOTAL AS OF 6 PM CST. |
| Feb 15, 6:00 PM CST | SNOW 2.8 | Nws Chicago-Romeoville, IL | EVENT TOTAL AS OF 6 PM CST. |
| Feb 15, 6:00 PM CST | SNOW 3 | Northbrook, IL | EVENT TOTAL AS OF 6 PM CST. |
| Feb 15, 6:00 PM CST | SNOW 6 | 3 Sw Midway Airport, IL | EVENT TOTAL AS OF 6 PM CST. |
| Feb 15, 6:30 PM CST | SNOW 5.5 | 1 N Crown Point, IN | EVENT TOTAL AS OF 6:30 PM CST. |
| Feb 15, 6:55 PM CST | HEAVY SNOW 8.8 | Harwood Heights, IL | 8.8 INCHES IN THE PAST 12 HOURS. |
| Feb 15, 7:00 PM CST | SNOW 4.7 | 1 N Lynwood, IL | EVENT TOTAL AS OF 7:00 PM CST. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 143 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1168 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
146 WWUS43 KLOT 142019 WSWLOT URGENT - WINTER WEATHER MESSAGE National Weather Service Chicago IL 219 PM CST Sun Feb 14 2021 ILZ023-033-039-108-150430- /O.CAN.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ /O.UPG.KLOT.WW.Y.0009.210215T0000Z-210216T0900Z/ /O.NEW.KLOT.WS.W.0004.210215T0000Z-210216T1500Z/ Kankakee-Iroquois-Ford-Eastern Will- Including the cities of Kankakee, Bourbonnais, Bradley, Watseka, Gilman, Paxton, Gibson City, Crete, Peotone, and Beecher 219 PM CST Sun Feb 14 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST TUESDAY... * WHAT...Dangerous travel, heavy snow, and cold temperatures expected. Total snow accumulations of 4 to 8 inches and wind chills as low as 20 degrees below zero are expected. * WHERE...Kankakee, Iroquois, Ford and Eastern Will Counties. * WHEN...From 6 PM this evening to 9 AM CST Tuesday. * IMPACTS...Travel will be very difficult. The hazardous conditions will impact the Monday evening and Tuesday morning commutes. Additionally, the cold temperatures may cause frostbite on exposed skin in as few as 30 minutes. * ADDITIONAL DETAILS...The coldest temperatures are expected overnight Sunday into Monday, and the heaviest snow is expected Monday afternoon through Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ103>105-150430- /O.CAN.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ /O.UPG.KLOT.WS.A.0004.210215T0900Z-210216T1800Z/ /O.NEW.KLOT.WS.W.0004.210215T0900Z-210216T1800Z/ Northern Cook-Central Cook-Southern Cook- Including the cities of Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 219 PM CST Sun Feb 14 2021 ...WINTER STORM WARNING IN EFFECT FROM 3 AM MONDAY TO NOON CST TUESDAY... * WHAT...Dangerous travel, low visibility, heavy snow, and cold temperatures expected. Total snow accumulations of 8 to 12 inches are expected, with locally higher amounts possible. Wind chills near 20 degrees below zero are expected, as well. * WHERE...Northern Cook, Central Cook and Southern Cook Counties. * WHEN...From 3 AM Monday to noon CST Tuesday. * IMPACTS...Travel will be very difficult to impossible. The hazardous conditions will impact commutes to and from work. Wind chills as low as 20 degrees below zero may lead to frostbite in as few as 30 minutes. * ADDITIONAL DETAILS...The coldest temperatures are expected Sunday night to Monday morning, and worst snow and travel conditions are expected from daybreak Monday to daybreak Tuesday. Roadway conditions may vary considerably over short distances. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ INZ002-010-011-019-150430- /O.UPG.KLOT.WW.Y.0009.210215T0000Z-210216T0900Z/ /O.NEW.KLOT.WS.W.0004.210215T0000Z-210216T1500Z/ Porter-Newton-Jasper-Benton- Including the cities of Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 219 PM CST Sun Feb 14 2021 /319 PM EST Sun Feb 14 2021/ ...WINTER STORM WARNING IN EFFECT FROM 6 PM CST /7 PM EST/ THIS EVENING TO 9 AM CST /10 AM EST/ TUESDAY... * WHAT...Dangerous travel and heavy snow expected. Total snow accumulations of 4 to 8 inches are expected. * WHERE...Porter, Newton, Jasper and Benton Counties. * WHEN...From 6 PM CST /7 PM EST/ this evening to 9 AM CST /10 AM EST/ Tuesday. * IMPACTS...Travel will be very difficult. The hazardous conditions will impact the Monday evening and Tuesday morning commutes. * ADDITIONAL DETAILS...The heaviest snow is expected Monday afternoon through Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Indiana are available by calling 1- 800-261-7623. && $$ INZ001-150430- /O.UPG.KLOT.WS.A.0004.210215T0000Z-210216T0900Z/ /O.NEW.KLOT.WS.W.0004.210215T0000Z-210216T1500Z/ Lake IN- Including the cities of Gary, Hammond, and Merrillville 219 PM CST Sun Feb 14 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST TUESDAY... * WHAT...Dangerous travel and heavy snow expected. Total snow accumulations of 4 to 8 inches are expected with locally higher amounts along the lakeshore. * WHERE...Lake IN County. * WHEN...From 6 PM this evening to 9 AM CST Tuesday. * IMPACTS...Travel will be very difficult. The hazardous conditions will impact the Monday evening and Tuesday morning commutes. * ADDITIONAL DETAILS...The heaviest snow is expected Monday afternoon through Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Indiana are available by calling 1- 800-261-7623. && $$ ILZ006-012-013-019>021-032-106-107-150430- /O.NEW.KLOT.WW.Y.0010.210215T1800Z-210216T1500Z/ /O.CON.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ Lake IL-Kane-DuPage-La Salle-Kendall-Grundy-Livingston- Northern Will-Southern Will- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Pontiac, Dwight, Fairbury, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, and Wilmington 219 PM CST Sun Feb 14 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST MONDAY... ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON MONDAY TO 9 AM CST TUESDAY... * WHAT...For the Winter Weather Advisory, slippery road conditions and snow expected. For the Wind Chill Advisory, very cold wind chills as low as 25 below zero expected. * WHERE...Portions of central, north central and northeast Illinois. * WHEN...For the Winter Weather Advisory, from noon Monday to 9 AM CST Tuesday. For the Wind Chill Advisory, until noon CST Monday. * IMPACTS...Travel will be difficult with the Monday evening and Tuesday morning commutes impacted. The cold wind chills could cause frostbite on exposed skin in as few as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ003>005-008-010-011-150430- /O.CON.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb- Including the cities of Rockford, Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, Rochelle, Oregon, Byron, Dixon, DeKalb, and Sycamore 219 PM CST Sun Feb 14 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST MONDAY... * WHAT...Very cold wind chills as low as 30 degrees below zero expected. * WHERE...Portions of north central and northeast Illinois. * WHEN...Until noon CST Monday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as few as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ BORCHARDT
10 follow-up statements
398 WWUS43 KLOT 150313 WSWLOT URGENT - WINTER WEATHER MESSAGE National Weather Service Chicago IL 913 PM CST Sun Feb 14 2021 ILZ023-033-039-108-INZ001-002-010-011-019-151115- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1500Z/ Kankakee-Iroquois-Ford-Eastern Will-Lake IN-Porter-Newton-Jasper- Benton- Including the cities of Kankakee, Bourbonnais, Bradley, Watseka, Gilman, Paxton, Gibson City, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 913 PM CST Sun Feb 14 2021 /1013 PM EST Sun Feb 14 2021/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST /10 AM EST/ TUESDAY... * WHAT...Dangerous travel, heavy snow, and cold temperatures expected. Total snow accumulations through Tuesday morning of 6 to 10 inches. Locally higher amounts near the lake are likely. Wind chills as low as 20 degrees below zero are expected. * WHERE...Northwest Indiana and portions of eastern Illinois. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Travel will be very difficult. The hazardous conditions will impact the Monday evening and Tuesday morning commutes. Additionally, the cold temperatures may cause frostbite on exposed skin in as few as 30 minutes. * ADDITIONAL DETAILS...The coldest temperatures are expected overnight tonight into Monday, and the heaviest snow is expected Monday afternoon through Tuesday morning. Steady snow is expected through tonight and Monday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ103>105-151115- /O.CON.KLOT.WS.W.0004.210215T0900Z-210216T1800Z/ Northern Cook-Central Cook-Southern Cook- Including the cities of Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 913 PM CST Sun Feb 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM MONDAY TO NOON CST TUESDAY... * WHAT...Dangerous travel, low visibility, heavy snow, and cold temperatures expected. Total snow accumulations of 8 to 12 inches are expected, with locally higher amounts possible. Wind chills near 20 degrees below zero are expected, as well. * WHERE...All of Cook County. * WHEN...From 3 AM Monday to noon CST Tuesday. * IMPACTS...Travel will be very difficult to impossible, with the worst conditions expected late Monday afternoon and into Tuesday morning. The hazardous conditions will impact commutes to and from work. Wind chills as low as 20 degrees below zero may lead to frostbite in as few as 30 minutes. * ADDITIONAL DETAILS...The coldest temperatures are expected tonight into Monday morning. Conditions will deteriorate more notably towards Monday evening and overnight. Roadway conditions may vary considerably over short distances. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ012-013-019>021-032-106-107-151115- /O.EXT.KLOT.WW.Y.0010.210215T0313Z-210216T1500Z/ /O.CON.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ Kane-DuPage-La Salle-Kendall-Grundy-Livingston-Northern Will- Southern Will- Including the cities of Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Pontiac, Dwight, Fairbury, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, and Wilmington 913 PM CST Sun Feb 14 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM CST TUESDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST MONDAY... * WHAT...For the Winter Weather Advisory, slippery road conditions and snow expected. Total snow accumulations through Tuesday morning of 4 to 7 inches with the highest amounts closer to I-55. For the Wind Chill Advisory, very cold wind chills as low as 25 below zero expected. * WHERE...Portions of central, north central and northeast Illinois. * WHEN...For the Winter Weather Advisory, until 9 AM CST Tuesday. For the Wind Chill Advisory, until noon CST Monday. * IMPACTS...Travel will be difficult with impacts to the Monday morning and evening commutes, as well as into Tuesday morning. The cold wind chills could cause frostbite on exposed skin in as few as 30 minutes. * ADDITIONAL DETAILS...Patchy blowing snow, especially across more rural and open areas, may further reduce visibilities on Monday and Monday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ006-151115- /O.CON.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ /O.CON.KLOT.WW.Y.0010.210215T1800Z-210216T1500Z/ Lake IL- Including the cities of Waukegan, Buffalo Grove, Mundelein, and Gurnee 913 PM CST Sun Feb 14 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST MONDAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON MONDAY TO 9 AM CST TUESDAY... * WHAT...For the Winter Weather Advisory, slippery road conditions and snow expected. Total snowfall accumulations through Tuesday morning of 4 to 7 inches, with the highest amounts near the lake. For the Wind Chill Advisory, very cold wind chills as low as 25 below zero expected. * WHERE...Lake County, Illinois. * WHEN...For the Winter Weather Advisory, from noon Monday to 9 AM CST Tuesday. For the Wind Chill Advisory, until noon CST Monday. * IMPACTS...Travel will be difficult with the Monday evening and Tuesday morning commutes impacted. The cold wind chills could cause frostbite on exposed skin in as few as 30 minutes. * ADDITIONAL DETAILS...Locally higher snowfall totals are possible near the lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ003>005-008-010-011-151115- /O.CON.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb- Including the cities of Rockford, Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, Rochelle, Oregon, Byron, Dixon, DeKalb, and Sycamore 913 PM CST Sun Feb 14 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST MONDAY... * WHAT...Very cold wind chills as low as 30 degrees below zero expected. * WHERE...Portions of northwest and north central Illinois. * WHEN...Until noon CST Monday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as few as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ Carlaw
253 WWUS43 KLOT 150851 WSWLOT URGENT - WINTER WEATHER MESSAGE National Weather Service Chicago IL 251 AM CST Mon Feb 15 2021 ILZ006-151700- /O.UPG.KLOT.WW.Y.0010.210215T1800Z-210216T1500Z/ /O.EXB.KLOT.WS.W.0004.210215T1800Z-210216T1800Z/ /O.CON.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ Lake IL- Including the cities of Waukegan, Buffalo Grove, Mundelein, and Gurnee 251 AM CST Mon Feb 15 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO NOON CST TUESDAY... * WHAT...Dangerous travel, low visibility, heavy snow, and cold temperatures expected. Total snow accumulations of 5 to 10 inches are expected, with locally higher amounts possible especially near the lake. Wind chills near 20 degrees below zero are expected this morning. * WHERE...Lake IL County. * WHEN...For the Winter Storm Warning, from noon today to noon CST Tuesday. For the Wind Chill Advisory, until noon CST today. * IMPACTS...Travel will be very difficult, with the worst conditions expected late this afternoon through Tuesday morning. The hazardous conditions will impact commutes to and from work. Wind chills as low as 20 degrees below zero may lead to frostbite in as few as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ013-020-021-032-106-107-151700- /O.UPG.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ /O.EXA.KLOT.WS.W.0004.000000T0000Z-210216T1500Z/ /O.CON.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ DuPage-Kendall-Grundy-Livingston-Northern Will-Southern Will- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Pontiac, Dwight, Fairbury, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, and Wilmington 251 AM CST Mon Feb 15 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 9 AM CST TUESDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Dangerous travel, low visibility, heavy snow, and cold temperatures expected. Total snow accumulations of 5 to 9 inches are expected. Wind chills near 20 degrees below zero are expected this morning. * WHERE...Portions of central and northeast Illinois. * WHEN...For the Winter Storm Warning, until 9 AM CST Tuesday. For the Wind Chill Advisory, until noon CST today. * IMPACTS...Travel will become difficult later today and tonight. The worst conditions are expected from late this afternoon through Tuesday morning. The hazardous conditions will impact the commutes to and from work. Wind chills as low as 20 degrees below zero may lead to frostbite in as few as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ023-033-039-108-INZ001-002-010-011-019-151700- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1500Z/ Kankakee-Iroquois-Ford-Eastern Will-Lake IN-Porter-Newton-Jasper- Benton- Including the cities of Kankakee, Bourbonnais, Bradley, Watseka, Gilman, Paxton, Gibson City, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 251 AM CST Mon Feb 15 2021 /351 AM EST Mon Feb 15 2021/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST /10 AM EST/ TUESDAY... * WHAT...Dangerous travel, heavy snow, and cold temperatures expected. Total snow accumulations through Tuesday morning of 6 to 10 inches. Locally higher amounts near the lake are likely. Wind chills as low as 20 degrees below zero are expected this morning. * WHERE...Northwest Indiana and portions of eastern Illinois. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Travel will become difficult later today and tonight. The worst conditions are expected from late this afternoon through Tuesday morning. The hazardous conditions will impact the commutes to and from work. Wind chills as low as 20 degrees below zero may lead to frostbite in as few as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ103>105-151700- /O.CON.KLOT.WS.W.0004.210215T0900Z-210216T1800Z/ Northern Cook-Central Cook-Southern Cook- Including the cities of Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 251 AM CST Mon Feb 15 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TUESDAY... * WHAT...Dangerous travel, low visibility, heavy snow, and cold temperatures expected. Total snow accumulations of 8 to 13 inches are expected, with locally higher amounts possible, especially near the lake. Wind chills near 20 degrees below zero are expected, as well. * WHERE...All of Cook County. * WHEN...From 3 AM Monday to noon CST Tuesday. * IMPACTS...Travel will be very difficult to impossible, with the worst conditions expected late this afternoon through Tuesday morning. The hazardous conditions will impact commutes to and from work. Wind chills as low as 20 degrees below zero may lead to frostbite in as few as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ005-010-011-151700- /O.EXB.KLOT.WW.Y.0010.210215T2100Z-210216T1500Z/ /O.CON.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ McHenry-Lee-De Kalb- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Dixon, DeKalb, and Sycamore 251 AM CST Mon Feb 15 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 AM CST TUESDAY... * WHAT...For the Winter Weather Advisory, slippery road conditions and snow expected. Total snow accumulations through Tuesday morning of 2 to 5 inches. For the Wind Chill Advisory, very cold wind chills as low as 25 below zero expected. * WHERE...McHenry, Lee and De Kalb Counties. * WHEN...For the Winter Weather Advisory, from 3 PM this afternoon to 9 AM CST Tuesday. For the Wind Chill Advisory, until noon CST today. * IMPACTS...Travel will become hazardous later today, with some impacts to this evenings commute, as well as into Tuesday morning. The cold wind chills could cause frostbite on exposed skin in as few as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ012-019-151700- /O.CON.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ /O.CON.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ Kane-La Salle- Including the cities of Aurora, Elgin, Ottawa, Streator, La Salle, Mendota, and Marseilles 251 AM CST Mon Feb 15 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY... * WHAT...For the Winter Weather Advisory, slippery road conditions and snow expected. Total snow accumulations through Tuesday morning of 3 to 6 inches. For the Wind Chill Advisory, very cold wind chills as low as 25 below zero expected. * WHERE...Portions of central, north central and northeast Illinois. * WHEN...For the Winter Weather Advisory, until 9 AM CST Tuesday. For the Wind Chill Advisory, until noon CST today. * IMPACTS...Travel will be hazardous, with impacts to the morning and evening commutes, as well as into Tuesday morning. The cold wind chills could cause frostbite on exposed skin in as few as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ003-004-008-151700- /O.CON.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ Winnebago-Boone-Ogle- Including the cities of Rockford, Belvidere, Rochelle, Oregon, and Byron 251 AM CST Mon Feb 15 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Very cold wind chills as low as 25 degrees below zero expected. * WHERE...Portions of northwest and north central Illinois. * WHEN...Until noon CST Monday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as few as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$
160 WWUS43 KLOT 151743 WSWLOT URGENT - WINTER WEATHER MESSAGE National Weather Service Chicago IL 1143 AM CST Mon Feb 15 2021 ILZ013-020-021-032-106-107-160430- /O.EXP.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1500Z/ DuPage-Kendall-Grundy-Livingston-Northern Will-Southern Will- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Pontiac, Dwight, Fairbury, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, and Wilmington 1143 AM CST Mon Feb 15 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... * WHAT...Heavy snow. Additional snow accumulations of 4 to 7 inches. * WHERE...Portions of central and northeast Illinois. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions will impact this evening commute with impacts expected to linger into the Tuesday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ006-160430- /O.EXP.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ /O.CON.KLOT.WS.W.0004.210215T1800Z-210216T1800Z/ Lake IL- Including the cities of Waukegan, Buffalo Grove, Mundelein, and Gurnee 1143 AM CST Mon Feb 15 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TUESDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... * WHAT...Heavy snow expected. Total snow accumulations of 4 to 9 inches, highest near the lakeshore of southeastern Lake County. * WHERE...Lake IL County. * WHEN...For the Winter Storm Warning, from noon today to noon CST Tuesday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the evening commute tonight and the morning commute on Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ005-010-011-160430- /O.EXP.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ /O.CON.KLOT.WW.Y.0010.210215T2100Z-210216T1500Z/ McHenry-Lee-De Kalb- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Dixon, DeKalb, and Sycamore 1143 AM CST Mon Feb 15 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 AM CST TUESDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...McHenry, Lee and De Kalb Counties. * WHEN...For the Winter Weather Advisory, from 3 PM this afternoon to 9 AM CST Tuesday. For the Wind Chill Advisory, until noon CST today. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions will impact the evening commute with impacts expected to linger into the Tuesday morning commute. T PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ012-019-160430- /O.EXP.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ /O.CON.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ Kane-La Salle- Including the cities of Aurora, Elgin, Ottawa, Streator, La Salle, Mendota, and Marseilles 1143 AM CST Mon Feb 15 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... * WHAT...Snow and blowing snow. Additional snow accumulations of 3 to 5 inches. * WHERE...Portions of central, north central and northeast Illinois. * WHEN...For the Winter Weather Advisory, until 9 AM CST Tuesday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions will impact the evening commute with blowing snow lingering into the morning commute on Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ003-004-008-151845- /O.EXP.KLOT.WC.Y.0003.000000T0000Z-210215T1800Z/ Winnebago-Boone-Ogle- Including the cities of Rockford, Belvidere, Rochelle, Oregon, and Byron 1143 AM CST Mon Feb 15 2021 ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... Wind chill values as of 1100 AM CST ranged from minus 18 to minus 23. Expect values today and tonight to remain from minus 10 to minus 20, not as cold as in past days but still hazardous. $$ ILZ023-033-039-108-INZ001-002-010-011-019-160430- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1500Z/ Kankakee-Iroquois-Ford-Eastern Will-Lake IN-Porter-Newton-Jasper- Benton- Including the cities of Kankakee, Bourbonnais, Bradley, Watseka, Gilman, Paxton, Gibson City, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 1143 AM CST Mon Feb 15 2021 /1243 PM EST Mon Feb 15 2021/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST /10 AM EST/ TUESDAY... * WHAT...Dangerous travel, heavy snow, and cold temperatures expected. New snow accumulations of 5 to 8 inches, with total snow accumulations through Tuesday morning of 6 to 10 inches. Locally higher amounts near the lake are likely. * WHERE...Northwest Indiana and portions of eastern Illinois. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Travel will become difficult later today and tonight. The worst conditions are expected from late this afternoon through Tuesday morning. The hazardous conditions will impact the commutes to and from work. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ103>105-160430- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1800Z/ Northern Cook-Central Cook-Southern Cook- Including the cities of Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 1143 AM CST Mon Feb 15 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TUESDAY... * WHAT...Dangerous travel, low visibility, heavy snow, and cold temperatures expected. Total snow accumulations of 8 to 13 inches are expected, with locally higher amounts possible, especially near the lake. * WHERE...All of Cook County. * WHEN...Until noon CST Tuesday. * IMPACTS...Travel will be very difficult to impossible, with the worst conditions expected late this afternoon through Tuesday morning. The hazardous conditions will impact commutes to and from work. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$
378 WWUS43 KLOT 152048 WSWLOT URGENT - WINTER WEATHER MESSAGE National Weather Service Chicago IL 248 PM CST Mon Feb 15 2021 ILZ013-020-021-023-032-033-039-106>108-INZ001-002-010-011-019- 160500- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1500Z/ DuPage-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Will-Southern Will-Eastern Will-Lake IN-Porter-Newton- Jasper-Benton- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 248 PM CST Mon Feb 15 2021 /348 PM EST Mon Feb 15 2021/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST /10 AM EST/ TUESDAY... * WHAT...Dangerous travel, heavy snow and low visibility expected. Blowing snow is possible even after snow ends for outlying areas. New snow accumulations of 5 to 8 inches. * WHERE...Northwest Indiana and portions of eastern Illinois, including the western and southern suburbs of Chicago. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Travel will become difficult later today and tonight. The worst conditions are expected from late this afternoon through Tuesday morning. The hazardous conditions will impact the commutes to and from work. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ006-103>105-160500- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1800Z/ Lake IL-Northern Cook-Central Cook-Southern Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 248 PM CST Mon Feb 15 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TUESDAY... * WHAT...Dangerous travel, low visibility, heavy snow expected. Total snow accumulations of 6 to 10 inches of new snow expected, especially near the lake in Cook County. Total snow accumulations will exceed 1 foot in some areas. * WHERE...Cook County and Lake County Illinois. * WHEN...Until noon CST Tuesday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions will affectt the evening commute tonight and morning commute on Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ003-004-008-160500- /O.EXA.KLOT.WW.Y.0010.210215T2100Z-210216T1500Z/ Winnebago-Boone-Ogle- Including the cities of Rockford, Belvidere, Rochelle, Oregon, and Byron 248 PM CST Mon Feb 15 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM CST TUESDAY... * WHAT...Snow and blowing snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...Winnebago, Boone and Ogle Counties. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions will affect the evening commute with impacts expected to linger into the Tuesday morning commute due to blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ005-010-011-160500- /O.CON.KLOT.WW.Y.0010.210215T2100Z-210216T1500Z/ McHenry-Lee-De Kalb- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Dixon, DeKalb, and Sycamore 248 PM CST Mon Feb 15 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY... * WHAT...Snow and blowing snow expected. Total snow accumulations of 3 to 5 inches. * WHERE...McHenry, Lee and De Kalb Counties. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Plan on hazardous road conditions. Patchy blowing snow could significantly reduce visibility even after snow ends. The hazardous conditions will affect the evening commute with impacts expected to linger into the Tuesday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ012-019-160500- /O.CON.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ Kane-La Salle- Including the cities of Aurora, Elgin, Ottawa, Streator, La Salle, Mendota, and Marseilles 248 PM CST Mon Feb 15 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY... * WHAT...Snow and blowing snow. Additional snow accumulations of 3 to 6 inches. * WHERE...Kane and La Salle Counties. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Plan on hazardous road conditions. Blowing snow could significantly reduce visibility. The hazardous conditions will affect the evening commute with blowing snow lingering into the morning commute on Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$
994 WWUS43 KLOT 160235 AAA WSWLOT URGENT - WINTER WEATHER MESSAGE...UPDATED National Weather Service Chicago IL 835 PM CST Mon Feb 15 2021 ...Winter Storm Peaking In Intensity... ILZ013-020-021-023-032-033-039-106>108-INZ001-002-010-011-019- 161045- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1500Z/ DuPage-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Will-Southern Will-Eastern Will-Lake IN-Porter-Newton- Jasper-Benton- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 835 PM CST Mon Feb 15 2021 /935 PM EST Mon Feb 15 2021/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST /10 AM EST/ TUESDAY... * WHAT...Dangerous travel due to heavy snow and very low visibility expected. Blowing snow is possible even after snow ends for outlying areas. Additional snow accumulations of 3 to 7 inches, highest along and east of I-57. * WHERE...Portions of northwest Indiana and eastern Illinois. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Travel will be extremely difficult. The worst conditions are expected through late tonight. The hazardous conditions will continue to impact the Tuesday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ006-103>105-161045- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1800Z/ Lake IL-Northern Cook-Central Cook-Southern Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 835 PM CST Mon Feb 15 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TUESDAY... * WHAT...Dangerous travel due to heavy snow and low visibility expected. Blowing snow, especially near the lake, will cause near whiteout conditions overnight tonight. Additional snow accumulations of 6 to 12 inches, highest within 5 to 10 miles of the lake. Total snow accumulations will exceed a foot in some locations. * WHERE...Lake IL and all of Cook County. * WHEN...Until noon CST Tuesday. * IMPACTS...Travel will be extremely difficult. The worst conditions are expected through late tonight. The hazardous conditions will continue to impact the Tuesday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ003>005-008-010-011-161045- /O.CON.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb- Including the cities of Rockford, Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, Rochelle, Oregon, Byron, Dixon, DeKalb, and Sycamore 835 PM CST Mon Feb 15 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY... * WHAT...Snow and blowing snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...Portions of northwest Illinois. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility, especially on east to west oriented roads and in open areas. The hazardous conditions will impact the Tuesday morning commute due to blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ012-019-161045- /O.CON.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ Kane-La Salle- Including the cities of Aurora, Elgin, Ottawa, Streator, La Salle, Mendota, and Marseilles 835 PM CST Mon Feb 15 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY... * WHAT...Snow and blowing snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Kane and La Salle Counties. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility, especially on east to west oriented roads and in open areas. The hazardous conditions will impact the Tuesday morning commute due to blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ Carlaw
142 WWUS43 KLOT 160907 WSWLOT URGENT - WINTER WEATHER MESSAGE National Weather Service Chicago IL 307 AM CST Tue Feb 16 2021 INZ001-002-161715- /O.EXT.KLOT.WS.W.0004.000000T0000Z-210216T2100Z/ Lake IN-Porter- Including the cities of Gary, Hammond, Merrillville, Portage, Valparaiso, and Chesterton 307 AM CST Tue Feb 16 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...Dangerous travel due to heavy snow and very low visibility expected. Blowing snow is possible even after snow ends for outlying areas. Additional snow accumulations of 2 to 6 inches. Highest amounts near the lake. * WHERE...Lake and Porter Indiana. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Travel will be difficult. The worst conditions today are expected near the lake. Expect significant impacts to this morning's commute, along with highly variable conditions common in lake effect snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Indiana are available by calling 1- 800-261-7623. && $$ ILZ013-020-021-023-032-033-039-106>108-INZ010-011-019-161500- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1500Z/ DuPage-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Will-Southern Will-Eastern Will-Newton-Jasper-Benton- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 307 AM CST Tue Feb 16 2021 /407 AM EST Tue Feb 16 2021/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST /10 AM EST/ THIS MORNING... * WHAT...Dangerous travel due to snow and blowing snow this morning. Additional snow accumulations of up to 2 inches. * WHERE...Portions of northwestern Indiana and eastern Illinois. * WHEN...Until 9 AM CST this morning. * IMPACTS...Travel will be difficult for the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. The latest road conditions for Indiana are available by calling 1- 800-261-7623. && $$ ILZ006-103>105-161715- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1800Z/ Lake IL-Northern Cook-Central Cook-Southern Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 307 AM CST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Dangerous travel due to snow and low visibility expected. Blowing snow, especially near the lake, will cause near whiteout conditions at times early this morning. Additional snow accumulations of 3 to 5 inches, highest within 5 to 10 miles of the lake. Total snow accumulations will exceed a foot and a half in some locations near the lake. * WHERE...Lake IL and all of Cook County. * WHEN...Until noon CST today. * IMPACTS...Travel will be extremely difficult for the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ003>005-008-010-011-161500- /O.CON.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb- Including the cities of Rockford, Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, Rochelle, Oregon, Byron, Dixon, DeKalb, and Sycamore 307 AM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Snow and blowing snow expected. Additional snow accumulations up to 1 inch. * WHERE...Portions of northwest Illinois. * WHEN...Until 9 AM CST this morning. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility, especially on east to west oriented roads and in open areas. The hazardous conditions will impact the morning commute due to blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$ ILZ012-019-161500- /O.CON.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ Kane-La Salle- Including the cities of Aurora, Elgin, Ottawa, Streator, La Salle, Mendota, and Marseilles 307 AM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Snow and blowing snow. Additional snow accumulations up to 1 inch. * WHERE...Kane and La Salle Counties. * WHEN...Until 9 AM CST this morning. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility, especially on east to west oriented roads and in open areas. The hazardous conditions will impact the morning commute due to blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$
256 WWUS43 KLOT 161500 WSWLOT URGENT - WINTER WEATHER MESSAGE National Weather Service Chicago IL 900 AM CST Tue Feb 16 2021 ILZ013-020-021-023-032-033-039-106>108-INZ010-011-019-161600- /O.EXP.KLOT.WS.W.0004.000000T0000Z-210216T1500Z/ DuPage-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Will-Southern Will-Eastern Will-Newton-Jasper-Benton- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 900 AM CST Tue Feb 16 2021 /1000 AM EST Tue Feb 16 2021/ ...WINTER STORM WARNING WILL EXPIRE AT 9 AM CST /10 AM EST/ THIS MORNING... There could be a few flurries today and some patchy blowing snow in outlying areas this morning. Roadways are still hazardous, so caution is urged. $$ ILZ003>005-008-010-011-161600- /O.EXP.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb- Including the cities of Rockford, Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, Rochelle, Oregon, Byron, Dixon, DeKalb, and Sycamore 900 AM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING... There could be a few flurries today and some patchy blowing snow in outlying areas this morning. Roadways are still hazardous, so caution is urged. $$ ILZ012-019-161600- /O.EXP.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ Kane-La Salle- Including the cities of Aurora, Elgin, Ottawa, Streator, La Salle, Mendota, and Marseilles 900 AM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING... There could be a few flurries today and some patchy blowing snow inoutlyingg areas this morning. Roadways are still hazardous, so caution is urged. $$ INZ001-002-162100- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T2100Z/ Lake IN-Porter- Including the cities of Gary, Hammond, Merrillville, Portage, Valparaiso, and Chesterton 900 AM CST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...Lake effect snow. Additional snow accumulations of up to 2 to 6 inches possible, highest totals near the lake. Snow can vary quickly over short distances. * WHERE...Lake IN and Porter Counties. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Plan on hazardous road conditions and widely varying visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Indiana are available by calling 1- 800-261-7623. && $$ ILZ006-103>105-161800- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1800Z/ Lake IL-Northern Cook-Central Cook-Southern Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 900 AM CST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Lake effect snow. Additional snow accumulations of up to one inch possible near the lake. * WHERE...Lake IL, Central Cook, Southern Cook and Northern Cook Counties. * WHEN...Until noon CST today. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$
058 WWUS43 KLOT 161501 CCA WSWLOT URGENT - WINTER WEATHER MESSAGE...CORRECTED National Weather Service Chicago IL 901 AM CST Tue Feb 16 2021 ILZ013-020-021-023-032-033-039-106>108-INZ010-011-019-161600- /O.COR.KLOT.WS.W.0004.000000T0000Z-210216T1500Z/ DuPage-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Will-Southern Will-Eastern Will-Newton-Jasper-Benton- Including the cities of Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 901 AM CST Tue Feb 16 2021 /1001 AM EST Tue Feb 16 2021/ ...WINTER STORM WARNING WILL EXPIRE AT 9 AM CST /10 AM EST/ THIS MORNING... There could be a few flurries today and some patchy blowing snow in outlying areas this morning. Roadways are still hazardous, so caution is urged. $$ ILZ003>005-008-010-011-161600- /O.EXP.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb- Including the cities of Rockford, Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, Rochelle, Oregon, Byron, Dixon, DeKalb, and Sycamore 901 AM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING... There could be a few flurries today and some patchy blowing snow in outlying areas this morning. Roadways are still hazardous, so caution is urged. $$ ILZ012-019-161600- /O.COR.KLOT.WW.Y.0010.000000T0000Z-210216T1500Z/ Kane-La Salle- Including the cities of Aurora, Elgin, Ottawa, Streator, La Salle, Mendota, and Marseilles 901 AM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING... There could be a few flurries today and some patchy blowing snow in outlying areas this morning. Roadways are still hazardous, so caution is urged. $$ INZ001-002-162100- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T2100Z/ Lake IN-Porter- Including the cities of Gary, Hammond, Merrillville, Portage, Valparaiso, and Chesterton 901 AM CST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...Lake effect snow. Additional snow accumulations of up to 2 to 6 inches possible, highest totals near the lake. Snow can vary quickly over short distances. * WHERE...Lake IN and Porter Counties. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Plan on hazardous road conditions and widely varying visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Indiana are available by calling 1- 800-261-7623. && $$ ILZ006-103>105-161800- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T1800Z/ Lake IL-Northern Cook-Central Cook-Southern Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 901 AM CST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Lake effect snow. Additional snow accumulations of up to one inch possible near the lake. * WHERE...Lake IL, Central Cook, Southern Cook and Northern Cook Counties. * WHEN...Until noon CST today. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Illinois can be obtained on the internet at www.gettingaroundillinois.com. && $$
030 WWUS43 KLOT 161748 WSWLOT URGENT - WINTER WEATHER MESSAGE National Weather Service Chicago IL 1148 AM CST Tue Feb 16 2021 INZ001-161900- /O.CAN.KLOT.WS.W.0004.000000T0000Z-210216T2100Z/ Lake IN- Including the cities of Gary, Hammond, and Merrillville 1148 AM CST Tue Feb 16 2021 ...WINTER STORM WARNING IS CANCELLED... Additional lake effect snow will be fairly light with the better chance for snow in Porter county Indiana. $$ ILZ006-103>105-161900- /O.EXP.KLOT.WS.W.0004.000000T0000Z-210216T1800Z/ Lake IL-Northern Cook-Central Cook-Southern Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest 1148 AM CST Tue Feb 16 2021 ...WINTER STORM WARNING WILL EXPIRE AT NOON CST TODAY... Lake effect snow will impact far northeast Illinois in Lake County Illinois, where visibility may fall to near 1 mile in snow through mid afternoon. There could be a few flurries in Cook County, but the worst conditions have ended. $$ INZ002-162100- /O.CON.KLOT.WS.W.0004.000000T0000Z-210216T2100Z/ Porter- Including the cities of Portage, Valparaiso, and Chesterton 1148 AM CST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...Lake effect snow. Localized additional snow accumulations of 1 to 2 inches. * WHERE...Porter County. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Plan on slippery road conditions and reduced visibility under lake effect snow showers. PRECAUTIONARY/PREPAREDNESS ACTIONS... The latest road conditions for Indiana are available by calling 1- 800-261-7623. && $$
704 WWUS43 KLOT 162034 WSWLOT URGENT - WINTER WEATHER MESSAGE National Weather Service Chicago IL 234 PM CST Tue Feb 16 2021 INZ002-162145- /O.EXP.KLOT.WS.W.0004.000000T0000Z-210216T2100Z/ Porter- Including the cities of Portage, Valparaiso, and Chesterton 234 PM CST Tue Feb 16 2021 ...WINTER STORM WARNING WILL EXPIRE AT 3 PM CST THIS AFTERNOON... Lake effect snow showers will continue through mid to late evening. Visibility may be reduced to 1 mile at times, and brief light accumulations would be possible which could make for slippery road conditions. $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 3:59 AM CST | Winter Storm Watch | LOT | Cook | 10 hr |
| Feb 14, 3:59 AM CST | Winter Weather Advisory | LOT | Ford, Iroquois, Kankakee, Will | 10 hr |
| Feb 14, 2:19 PM CST | Winter Weather Advisory | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 8 more | 43 hr |
Nearby
Winter Storm Warnings in Illinois, 2021Winter Storm Warnings in Indiana, 2021Every winter storm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.