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Elev 679 ft, 42.25 °N, 87.84 °W

Lake Forest, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Lake Forest, IL
Elevation: 679ft
Nearby Weather Stations

Active Weather Alerts

Small Craft Advisory
Issued: 10:10 AM Jan. 21, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO
7 PM CST THIS EVENING...
...GALE WARNING NOW IN EFFECT FROM 7 PM THIS EVENING TO 6 AM CST
THURSDAY...

* WHAT...For the Small Craft Advisory, southwest winds to 25 kt
expected. For the Gale Warning, west winds to 40 kt and
significant waves to 6 ft occasionally to 8 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet
Harbor IL to Gary IN.

* WHEN...For the Small Craft Advisory, from 2 PM this afternoon
to 7 PM CST this evening. For the Gale Warning, from 7 PM this
evening to 6 AM CST Thursday.

* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

Gale Warning
Issued: 10:10 AM Jan. 21, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO
7 PM CST THIS EVENING...
...GALE WARNING NOW IN EFFECT FROM 7 PM THIS EVENING TO 6 AM CST
THURSDAY...

* WHAT...For the Small Craft Advisory, southwest winds to 25 kt
expected. For the Gale Warning, west winds to 40 kt and
significant waves to 6 ft occasionally to 8 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet
Harbor IL to Gary IN.

* WHEN...For the Small Craft Advisory, from 2 PM this afternoon
to 7 PM CST this evening. For the Gale Warning, from 7 PM this
evening to 6 AM CST Thursday.

* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

Extreme Cold Watch
Issued: 9:01 AM Jan. 21, 2026 – National Weather Service
...EXTREME COLD WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
FRIDAY MORNING...

* WHAT...Dangerously cold wind chills as low as 30 to 35 below
possible.

* WHERE...Portions of central, north central, and northeast Illinois.

* WHEN...From late Thursday night through Friday morning.

* IMPACTS...The dangerously cold wind chills as low as 35 below zero
could cause frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dress in several layers including a hat, face mask, and gloves if
you must go outside.

Check on older family, friends, and neighbors. Keep pets indoors as
much as possible.

&&

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