WWUS73 KLOT 160628
NPWLOT

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
128 AM CDT Fri Oct 16 2026

ILZ003-004-008-161630-
/O.UPG.KLOT.FZ.A.0002.261017T0600Z-261017T1400Z/
/O.NEW.KLOT.FZ.W.0002.261017T1000Z-261017T1300Z/
Winnebago-Boone-Ogle-
Including the cities of Belvidere, Rockford, Byron, Rochelle, and
Oregon
128 AM CDT Fri Oct 16 2026

...FREEZE WARNING IN EFFECT FROM 5 AM TO 8 AM CDT SATURDAY...

* WHAT...Sub-freezing temperatures are expected.

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

* WHEN...From 5 AM to 8 AM CDT Saturday.

* IMPACTS...Frost and freeze conditions could kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

ILZ005-010>012-161630-
/O.NEW.KLOT.FZ.W.0002.261017T1000Z-261017T1300Z/
McHenry-Lee-De Kalb-Kane-
Including the cities of Elgin, Woodstock, McHenry, Dixon, Algonquin,
DeKalb, Crystal Lake, Aurora, and Sycamore
128 AM CDT Fri Oct 16 2026

...FREEZE WARNING IN EFFECT FROM 5 AM TO 8 AM CDT SATURDAY...

* WHAT...Sub-freezing temperatures are expected.

* WHERE...De Kalb, Lee, Kane, and McHenry Counties.

* WHEN...From 5 AM to 8 AM CDT Saturday.

* IMPACTS...Frost and freeze conditions could kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

ILZ006-161630-
/O.NEW.KLOT.FR.Y.0005.261017T1000Z-261017T1300Z/
Lake IL-
Including the cities of Buffalo Grove, Gurnee, Waukegan, and
Mundelein
128 AM CDT Fri Oct 16 2026

...FROST ADVISORY IN EFFECT FROM 5 AM TO 8 AM CDT SATURDAY AWAY FROM
LAKE MICHIGAN...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Lake IL County.

* WHEN...From 5 AM to 8 AM CDT Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

ILZ019-020-161630-
/O.NEW.KLOT.FR.Y.0005.261017T1000Z-261017T1300Z/
La Salle-Kendall-
Including the cities of Marseilles, La Salle, Streator, Mendota,
Ottawa, Oswego, Plano, and Yorkville
128 AM CDT Fri Oct 16 2026

...FROST ADVISORY IN EFFECT FROM 5 AM TO 8 AM CDT SATURDAY...

* WHAT...Temperatures as low as 34 will result in frost formation.

* WHERE...La Salle and Kendall Counties.

* WHEN...From 5 AM to 8 AM CDT Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

INZ002-161630-
/O.CON.KLOT.WI.Y.0010.261016T1800Z-261017T0300Z/
Porter-
Including the cities of Valparaiso, Chesterton, and Portage
128 AM CDT Fri Oct 16 2026

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
CDT THIS EVENING ALONG THE LAKE MICHIGAN SHORE...

* WHAT...Near the Lake Michigan shore northerly winds 20 to 30 mph
  with a few gusts to 45 mph are expected.

* WHERE...Porter County along the Lake Michigan shore.

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

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$

- Izzi