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.

$$

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

ILZ003-004-008-010-161000-
/O.UPG.KLOT.WS.W.0004.260316T0000Z-260316T1800Z/
/O.NEW.KLOT.BZ.W.0001.260316T0300Z-260316T1800Z/
Winnebago-Boone-Ogle-Lee-
Including the cities of Dixon, Rockford, Byron, Rochelle, Oregon,
and Belvidere
651 PM CDT Sun Mar 15 2026

...BLIZZARD WARNING IN EFFECT FROM 10 PM THIS EVENING TO 1 PM CDT
MONDAY...

* WHAT...Blizzard conditions expected. Total snow accumulations
  between 4 and 7 inches and ice accumulations around a light glaze.
  Winds gusting as high as 45 to 50 mph.

* WHERE...Boone, Lee, Ogle, and Winnebago Counties.

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

* IMPACTS...Whiteout conditions are expected and will make travel
  treacherous and potentially life-threatening. Plan on slippery
  road conditions. Widespread blowing snow will significantly reduce
  visibility. The hazardous conditions will impact the Monday
  morning commute. Gusty winds could bring down tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel should be restricted to emergencies only. If you must travel,
have a winter survival kit with you. If you get stranded, stay with
your vehicle. The latest road conditions for Illinois can be
obtained at www.gettingaroundillinois.com.

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
are likely. This will lead to whiteout conditions, making travel
extremely dangerous. Do not travel. If you must travel, have a
winter survival kit with you. If you get stranded, stay in your
vehicle.

&&

$$

Hazard Report Provided By forecast.weather.gov