Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
431 PM CDT Sun Mar 15 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-162145-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
431 PM CDT Sun Mar 15 2026 /531 PM EDT Sun Mar 15 2026/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Tornado Risk.
     Level 2 of 5 Damaging Wind Risk...up to 60 mph.
  Elevated Non Thunderstorm Wind Risk.
  Elevated Snow and Blowing Snow Risk late tonight.

DISCUSSION...

Gusty southwest non-thunderstorm winds will persist through the
evening with gusts upwards of 40 to 45 mph. The strongest winds
are expected south of I-80.

A line of showers and thunderstorms will continue across northern
Illinois and northwest Indiana through early evening. A few
storms could become strong to severe with mainly a damaging wind
threat for areas along and south of a Pontiac to Valparaiso line.

Rain will change over to snow late tonight. The greatest snow
accumulations and travel impacts are expected to occur west of a
LaSalle-Peru to Waukegan, IL line. Strong northwesterly winds will
also lead to blowing snow in open areas.


.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday...
  Elevated Non Thunderstorm Wind Risk.
  Limited Snow and Blowing Snow Risk.
Tuesday...
  Limited Snow Risk.

DISCUSSION...

Strong northwesterly winds, snow, and blowing snow will continue
through the day on Monday.

Another round of snow is likely to occur Tuesday night into
Wednesday.

.SPOTTER INFORMATION STATEMENT...

  Spotters may be needed through early evening.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east-northeast at 60 to 65 mph.

$$

Flood Advisory
National Weather Service Chicago IL
902 PM CDT Sun Mar 15 2026

ILC031-043-197-INC089-160700-
/O.EXT.KLOT.FA.Y.0009.000000T0000Z-260316T0700Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-DuPage IL-Will IL-Lake IN IN-
902 PM CDT Sun Mar 15 2026

...FLOOD ADVISORY NOW IN EFFECT UNTIL 2 AM CDT MONDAY...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Portions of northeast Illinois, including the following
  counties, Cook, DuPage and Will and northwest Indiana, including
  the following county, Lake IN.

* WHEN...Until 200 AM CDT.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding
  may occur in poor drainage and urban areas. Underpasses may be
  flooded. Roads and streets may be flooded.

* ADDITIONAL DETAILS...
  - At 857 PM CDT, Local law enforcement reported flooded roads
    and viaducts in Chicago. Between 1 and 2 inches of rain have
    fallen. Area creeks and streams are also near or at bankfull.
  - Additional rainfall amounts up to 0.5 inches are expected
    over the area.
  - Some locations that will experience flooding include...
    Chicago, Naperville, Cicero, Hammond, Gary, Evanston,
    Bolingbrook, Skokie, Des Plaines, Orland Park, Tinley Park,
    Oak Lawn, Berwyn, Wheaton, Oak Park, Downers Grove, Glenview,
    Elmhurst, Lombard and Ohare Airport.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 4209 8782 4212 8771 4206 8766 4193 8761
      4190 8758 4185 8759 4172 8751 4169 8746
      4169 8741 4167 8739 4166 8740 4164 8733
      4142 8733 4160 8807 4181 8811


$$

Kluber

URGENT - WINTER WEATHER MESSAGE
National Weather Service Chicago IL
651 PM CDT Sun Mar 15 2026

ILZ006-012-013-019-020-103-161000-
/O.CON.KLOT.WW.Y.0010.260316T0300Z-260316T1800Z/
Lake IL-Kane-DuPage-La Salle-Kendall-Northern Cook-
Including the cities of Gurnee, Marseilles, Evanston, Mendota,
Downers Grove, Northbrook, Waukegan, Ottawa, Oswego, Aurora,
Elgin, Wheaton, Lombard, Des Plaines, Naperville, Yorkville,
Streator, La Salle, Palatine, Mundelein, Buffalo Grove, Plano,
Schaumburg, and Carol Stream
651 PM CDT Sun Mar 15 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 1 PM CDT MONDAY...

* WHAT...Snow and blowing snow expected. Total snow accumulations
  between 1 and 4 inches and ice accumulations around a light glaze.
  Winds gusting as high as 45 mph.

* WHERE...La Salle, DuPage, Kane, Kendall, Lake IL, and Northern
  Cook Counties.

* WHEN...From 10 PM this evening to 1 PM CDT Monday.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous. Plan on slippery road
  conditions. The hazardous conditions will impact the Monday
  morning commute. Gusty winds could bring down tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for Illinois can be obtained at
www.gettingaroundillinois.com.

Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.

&&

$$

Birk

Hazard Report Provided By forecast.weather.gov