Lexington Weather

Lexington, Massachusetts, USA

78°F
6/28/2026 6:01pm 
  • Lexington Conditions: Few Clouds
  • Temperature: 78.1°F / 25.6°C 
  • Dew Point: 64.9°FDecreased 0.4°Fsince last hour.
  • Relative Humidity: 64%Decreased 1.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.92 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Extreme Heat Watch
 - SEE ALL NEARBY ALERTS -

Watches, Warnings, and Advisories

Issued by the National Weather Service - La Crosse, WI

    EXTREME HEAT WARNING  

Vernon, WI

Extreme Heat Warning issued June 28 at 11:38AM CDT until June 30 at 9:00PM CDT by NWS La Crosse WI

EXTREME HEAT WARNING REMAINS IN EFFECT FROM 8 AM MONDAY TO 9 PM CDT TUESDAY

Areas Affected: Mitchell; Howard; Winneshiek; Allamakee; Floyd; Chickasaw; Fayette; Clayton; Wabasha; Dodge; Olmsted; Winona; Mower; Fillmore; Houston; Clark; Buffalo; Trempealeau; Jackson; La Crosse; Monroe; Juneau; Adams; Vernon; Crawford; Richland; Grant

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Sunday 11:38am CDT

Alert Effective: Sunday 11:38am CDT

Alert Expires: Sunday 7:45pm CDT (expect updated alert by this time)

Event Onset: Monday 8:00am CDT

Event Ends: Tuesday 9:00pm CDT

Issued by: NWS La Crosse WI

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 8 AM MONDAY TO 9 PM CDT TUESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 108
expected.

* WHERE...Portions of north central and northeast Iowa, southeast
Minnesota, and central, southwest, and west central Wisconsin.

* WHEN...From 8 AM Monday to 9 PM CDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

Information: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Stay cool, stay hydrated, stay informed.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.65a7851adc5b5d352760d33a83e32b9d2b4f23e5.001.1
Codes: IAZ008, IAZ009, IAZ010, IAZ011, IAZ018, IAZ019, IAZ029, IAZ030, MNZ079, MNZ086, MNZ087, MNZ088, MNZ094, MNZ095, MNZ096, WIZ029, WIZ032, WIZ033, WIZ034, WIZ041, WIZ042, WIZ043, WIZ044, WIZ053, WIZ054, WIZ055, WIZ061
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.65a7851adc5b5d352760d33a83e32b9d2b4f23e5.001.1