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Elev 663 ft, 42.12 °N, 87.83 °W

Northbrook, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Northbrook, IL
Elevation: 663ft
Nearby Weather Stations

Active Weather Alerts

Special Marine Warning
Issued: 4:54 PM Aug. 9, 2026 – National Weather Service
The National Weather Service in Chicago has issued a

* Special Marine Warning for...

Nearshore Waters from Winthrop Harbor to Wilmette Harbor...
Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid
Lake...

* Until 200 PM CDT.

* At 1153 AM CDT, strong thunderstorms were located along a line
extending from near Racine to 10 nm northeast of McHenry to 27 nm
northwest of Elgin, moving east at 35 knots. Storms will be near
the nearshore waters around 1230 PM.

HAZARD...Wind gusts 34 knots or greater and small hail.

SOURCE...Radar.

IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.

* Locations impacted include...
Winthrop Harbor and Waukegan Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&


HAIL...<.75IN;
WIND...>34KTS

Severe Thunderstorm Watch
Issued: 5:43 PM Aug. 9, 2026 – National Weather Service
CW

.    ADJACENT COASTAL WATERS INCLUDED ARE

SHEBOYGAN TO PORT WASHINGTON WI

PORT WASHINGTON TO NORTH POINT LIGHT WI

NORTH POINT LIGHT TO WIND POINT WI

WIND POINT WI TO WINTHROP HARBOR IL

LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5NM OFFSHORE
TO MID LAKE

LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5NM
OFFSHORE TO MID LAKE

LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5NM
OFFSHORE TO MID LAKE

LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5NM
OFFSHORE TO MID LAKE

WINTHROP HARBOR TO WILMETTE HARBOR IL

LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5NM
OFFSHORE TO MID LAKE

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