Lexington Weather

Lexington, Massachusetts, USA

78°F
7/13/2026 9:07pm 
  • Lexington Conditions: Clear
  • Temperature: 78.1°F / 25.6°CColder 1.2°F than last hour.
  • Dew Point: 65.8°FIncreased 0.1°Fsince last hour.
  • Relative Humidity: 66%Increased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 1 mph
  • Barometer: 30.01 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Heat Advisory
 - SEE ALL NEARBY ALERTS -

Extreme Heat Warning

Issued by the National Weather Service - Duluth, MN

    EXTREME HEAT WARNING  

North St. Louis, MN; Northern Cook/Northern Lake, MN; Central St. Louis, MN; Southern Lake/North Shore, MN; Southern Cook/North Shore, MN; Koochiching, MN; North Itasca, MN; South Itasca, MN

Extreme Heat Warning issued July 13 at 1:40PM CDT until July 13 at 9:00PM CDT by NWS Duluth MN

EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING

Areas Affected: Koochiching; North St. Louis; Northern Cook/Northern Lake; North Itasca; Central St. Louis; Southern Lake/North Shore; Southern Cook/North Shore; South Itasca

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Monday 1:40pm CDT

Alert Effective: Monday 1:40pm CDT

Alert Expires: Monday 9:00pm CDT

Event Onset: Monday 1:40pm CDT

Event Ends: Monday 9:00pm CDT

Issued by: NWS Duluth MN

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* WHAT...Dangerously hot conditions with temperatures up to 100.

* WHERE...Koochiching, Itasca, Central and North St. Louis, Cook and
Lake Counties. This includes the Tribal Lands of the Grand Portage
Reservation and the Bois Forte Band, Nett Lake, Lake Vermilion
and, Deer Creek areas. Other locations including Voyageurs
National Park. The entire Boundary Waters is also included.

* WHEN...Until 9 PM CDT this evening.

* 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.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.fc20cefb1ddf9584531134f0e7ea534a3bac445a.001.1
Codes: MNZ010, MNZ011, MNZ012, MNZ018, MNZ019, MNZ020, MNZ021, MNZ026
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fc20cefb1ddf9584531134f0e7ea534a3bac445a.001.1