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 -

Heat Advisory

Issued by the National Weather Service - La Crosse, WI

    HEAT ADVISORY  

Winneshiek, IA; Allamakee, IA; Clayton, IA; Dodge, MN; Olmsted, MN; Winona, MN; Mower, MN; Fillmore, MN; Houston, MN; Vernon, WI; Crawford, WI; Richland, WI; Grant, WI

Heat Advisory issued July 13 at 12:08PM CDT until July 15 at 8:00PM CDT by NWS La Crosse WI

HEAT ADVISORY IN EFFECT FROM NOON TUESDAY TO 8 PM CDT WEDNESDAY

Areas Affected: Winneshiek; Allamakee; Clayton; Dodge; Olmsted; Winona; Mower; Fillmore; Houston; Vernon; Crawford; Richland; Grant

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Monday 12:08pm CDT

Alert Effective: Monday 12:08pm CDT

Alert Expires: Monday 8:15pm CDT (expect updated alert by this time)

Event Onset: Tuesday 12:00pm CDT

Event Ends: Wednesday 8:00pm CDT

Issued by: NWS La Crosse WI

Details: 
...HEAT ADVISORY IN EFFECT FROM NOON TUESDAY TO 8 PM CDT WEDNESDAY...

* WHAT...Heat index values up to 100 expected.

* WHERE...In Minnesota, Dodge, Olmsted, Winona, Mower, Fillmore, and
Houston Counties. In Iowa, Winneshiek, Allamakee, and Clayton
Counties. In Wisconsin, Vernon, Crawford, Richland, and Grant
Counties.

* WHEN...From noon Tuesday to 8 PM CDT Wednesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

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

Meta data: 
ID: urn:oid:2.49.0.1.840.0.a39dd37a44f6eae29b18dce53a337d5b0290063b.001.1
Codes: IAZ010, IAZ011, IAZ030, MNZ086, MNZ087, MNZ088, MNZ094, MNZ095, MNZ096, WIZ053, WIZ054, WIZ055, WIZ061
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a39dd37a44f6eae29b18dce53a337d5b0290063b.001.1