Lexington Weather

Lexington, Massachusetts, USA

81°F

7/13/2026 6:39pm

Lexington Conditions: Partly cloudy
Temperature: 80.8°F / 27.1°C
Dew Point: 68.4°F
Feels Like: 83.7°F
Relative Humidity: 66%
Wind: Calm, 10-min avg: Calm, gust: 8 mph
Barometer: 30.01 in Rising Slowly
Visibility: 10 miles
Rain Today: 0.00 in

Southeast Middlesex County, MA - Heat Advisory
- SEE ALL NEARBY ALERTS -

Watches, Warnings, and Advisories

Issued by the National Weather Service - Salt Lake City, UT

EXTREME HEAT WARNING

Castle Country, UT

Extreme Heat Warning issued July 13 at 11:15AM MDT until July 14 at 6:00AM MDT by NWS Salt Lake City UT

EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY

Areas Affected: Great Salt Lake Desert and Mountains; Tooele and Rush Valleys; Eastern Box Elder County; Northern Wasatch Front; Salt Lake Valley; Utah Valley; Cache Valley/Utah Portion; Wasatch Back; Western Uinta Basin; Eastern Juab/Millard Counties; Sanpete Valley; Sevier Valley; Castle Country; San Rafael Swell

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Monday 11:15am MDT

Alert Effective: Monday 11:15am MDT

Alert Expires: Tuesday 6:00am MDT

Event Onset: Monday 11:15am MDT

Event Ends: Tuesday 6:00am MDT

Issued by: NWS Salt Lake City UT

Details:

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY...

* WHAT...Dangerously hot conditions with high temperatures up to 105
possible for the valleys of northern Utah, including the Wasatch
Front and Cache Valley. Highs 95 to 100 possible for the mountain
valleys of northern and central Utah, including the Wasatch Back,
along Castle Country, the Uinta Basin, and the San Rafael Swell.

* WHERE...Portions of central and northern Utah.

* WHEN...Until 6 AM MDT Tuesday.

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

* ADDITIONAL DETAILS...Low temperatures into Tuesday morning will
stay elevated in the mid to upper 70s for most lower valley
locations, offering little relief overnight.

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.

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.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

Meta data:

ID: urn:oid:2.49.0.1.840.0.e2df812eac6bd8d1a70fa0b150ce9b28b69f48d2.001.1
Codes: UTZ101, UTZ102, UTZ103, UTZ104, UTZ105, UTZ106, UTZ107, UTZ108, UTZ114, UTZ116, UTZ118, UTZ119, UTZ120, UTZ121
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.e2df812eac6bd8d1a70fa0b150ce9b28b69f48d2.001.1