Lexington Weather

Lexington, Massachusetts, USA

75°F

7/27/2026 11:11am

Lexington Conditions: Few Clouds
Temperature: 74.7°F / 23.7°C
Dew Point: 56.5°F
Relative Humidity: 53%
Wind: Calm, 10-min avg: Calm, gust: None
Barometer: 29.79 in Steady
Visibility: 10 miles
Rain Today: 0.00 in

Watches, Warnings, and Advisories

Issued by the National Weather Service - Green Bay, WI

SPECIAL MARINE WARNING

Rock Island Passage to Sturgeon Bay WI

Special Marine Warning issued July 27 at 10:07AM CDT until July 27 at 10:30AM CDT by NWS Green Bay WI

SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT

Areas Affected: Rock Island Passage to Sturgeon Bay WI; Sturgeon Bay to Two Rivers WI; Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake; Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake

Urgency: Immediate

Severity: Severe

Certainty: Likely

Alert Sent: Monday 10:07am CDT

Alert Effective: Monday 10:07am CDT

Alert Expires: Monday 10:30am CDT

Event Onset: Monday 10:07am CDT

Event Ends: Monday 10:30am CDT

Issued by: NWS Green Bay WI

Threats:

Waterspout: POSSIBLE

Details:

...SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT...

For the following areas...
Nearshore waters from Washington Island to Two Rivers...
Open waters of Lake Michigan from Rock Island Passage to Two
Rivers...

At 1007 AM CDT, a severe thunderstorm capable of producing
waterspouts was located near Algoma, or 11 NM northeast of Kewaunee
Pierhead Light, moving east at 20 knots.

HAZARD...Waterspouts, large hail, and wind gusts in excess of 50
knots.

SOURCE...Radar indicated.

IMPACT...Waterspouts can easily overturn boats and create locally
hazardous seas. Boats could suffer significant structural
damage in high winds and hail. Small craft could capsize in
suddenly higher waves.

The strong thunderstorm will be near...
Algoma around 1010 AM CDT.

Information:

Move to safe harbor until hazardous weather passes.

Boaters should seek safe harbor immediately until this storm passes.
Wind gusts 34 knots or greater, high waves, dangerous lightning, and
heavy rain are possible with this storm.

Meta data:

ID: urn:oid:2.49.0.1.840.0.f9a804ca09ad761c5896d46a7d20e18c35d47cdd.001.1
Codes: LMZ541, LMZ542, LMZ563, LMZ565
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f9a804ca09ad761c5896d46a7d20e18c35d47cdd.001.1

SPECIAL MARINE WARNING

Rock Island Passage to Sturgeon Bay WI

Special Marine Warning issued July 27 at 9:51AM CDT until July 27 at 10:45AM CDT by NWS Green Bay WI

Urgency: Immediate

Severity: Severe

Certainty: Likely

Alert Sent: Monday 9:51am CDT

Alert Effective: Monday 9:51am CDT

Alert Expires: Monday 10:45am CDT

Event Onset: Monday 9:51am CDT

Event Ends: Monday 10:45am CDT

Issued by: NWS Green Bay WI

Details:

SMWGRB

The National Weather Service in Green Bay has issued a

* Special Marine Warning for...
Nearshore waters from Washington Island to Two Rivers...
Open waters of Lake Michigan from Rock Island Passage to Two
Rivers...

* Until 1045 AM CDT.

* At 951 AM CDT, severe thunderstorms were located along a line from
over Whitefish Point to 14 NM southeast of Algoma, or along a line
from over Whitefish Point to 15 NM east of Kewaunee Pierhead Light,
moving east at 45 knots.

HAZARD...Large hail and wind gusts in excess of 50 knots.

SOURCE...Radar indicated.

IMPACT...Boats could suffer significant structural damage in high
winds and hail. Small craft could capsize in suddenly
higher waves.

* The strong thunderstorm will be near...
Whitefish Point around 955 AM CDT.

Information:

Move to safe harbor until hazardous weather passes.

Move to safe harbor immediately as gusty winds and high waves are
expected.

Meta data:

ID: urn:oid:2.49.0.1.840.0.227aff0d863aaae61fa91755375b774380d474a8.001.1
Codes: LMZ541, LMZ542, LMZ563, LMZ565
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.227aff0d863aaae61fa91755375b774380d474a8.001.1

SEVERE THUNDERSTORM WATCH

Rock Island Passage to Sturgeon Bay WI

Severe Thunderstorm Watch issued July 27 at 8:43AM CDT until July 27 at 3:00PM CDT by NWS Green Bay WI

Areas Affected: Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI; Green Bay south of line from Oconto WI to Little Sturgeon Bay WI; Rock Island Passage to Sturgeon Bay WI; Sturgeon Bay to Two Rivers WI; Two Rivers to Sheboygan WI; Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake; Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake; Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake

Urgency: Future

Severity: Severe

Certainty: Possible

Alert Sent: Monday 8:43am CDT

Alert Effective: Monday 8:43am CDT

Alert Expires: Monday 3:00pm CDT

Event Onset: Monday 8:43am CDT

Event Ends: Monday 3:00pm CDT

Issued by: NWS Green Bay WI

Details:

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
519 IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON FOR THE FOLLOWING
AREAS

THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS

GREEN BAY SOUTH OF LINE FROM  CEDAR RIVER TO ROCK ISLAND PASSAGE
AND NORTH OF A LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI

GREEN BAY SOUTH OF LINE FROM  OCONTO WI TO LITTLE STURGEON BAY WI
ROCK ISLAND PASSAGE TO STURGEON BAY WI
STURGEON BAY TO TWO RIVERS WI
TWO RIVERS TO SHEBOYGAN WI
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI 5NM
OFFSHORE TO MID LAKE
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5NM OFFSHORE TO
MID LAKE
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5NM OFFSHORE TO MID
LAKE

Meta data:

ID: urn:oid:2.49.0.1.840.0.122c10417bec51fc975c0335f111134a23b30644.003.1
Codes: LMZ521, LMZ522, LMZ541, LMZ542, LMZ543, LMZ563, LMZ565, LMZ567
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.122c10417bec51fc975c0335f111134a23b30644.003.1