Lexington Weather

Lexington, Massachusetts, USA

75°F
7/13/2026 11:41pm 
  • Lexington Conditions: Clear
  • Temperature: 74.5°F / 23.6°CColder 1.4°F than last hour.
  • Dew Point: 62.8°FDecreased 1.4°Fsince last hour.
  • Relative Humidity: 67% 
  • Wind: Calm, 10-min avg: Calm, gust: 2 mph
  • Barometer: 29.99 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  

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

Extreme Heat Warning issued July 13 at 8:46PM CDT until July 14 at 9:00PM CDT by NWS Duluth MN

EXTREME HEAT WARNING NOW IN EFFECT UNTIL 9 PM CDT TUESDAY

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 8:46pm CDT

Alert Effective: Monday 8:46pm CDT

Alert Expires: Tuesday 9:00am CDT (expect updated alert by this time)

Event Onset: Monday 8:46pm CDT

Event Ends: Tuesday 9:00pm CDT

Issued by: NWS Duluth MN

Details: 
...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 9 PM CDT TUESDAY...

* WHAT...Very warm and humid tonight with low temperatures only in
the 70s. Dangerously hot conditions with heat index values up to
97 Tuesday.

* 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, Deer Creek, Nett Lake and,
Lake Vermilion areas. Other locations including Voyageurs National
Park. The entire Boundary Waters is also included.

* WHEN...Until 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.

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:2.49.0.1.840.0.4ead66f58c05b2601907052a0482f66001e6c4fd.001.1
Codes: MNZ010, MNZ011, MNZ012, MNZ018, MNZ019, MNZ020, MNZ021, MNZ026
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4ead66f58c05b2601907052a0482f66001e6c4fd.001.1