Lexington Weather

Lexington, Massachusetts, USA

59°F
9/6/2026 7:19am 
  • Lexington Conditions: Mostly cloudy
  • Temperature: 59.4°F / 15.2°C 
  • Dew Point: 57.6°FIncreased 0.2°Fsince last hour.
  • Relative Humidity: 94%Increased 1.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.91 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.33 in
  •   
Southeast Middlesex County, MA - Rip Current Statement
 - SEE ALL NEARBY ALERTS -

Watches, Warnings, and Advisories

Issued by the National Weather Service - St. Louis, MO

    HEAT ADVISORY  

Heat Advisory issued September 6 at 2:53AM CDT until September 6 at 7:00PM CDT by NWS St Louis MO

HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING

Areas Affected: Boone; Moniteau; Cole; Osage; Callaway; Gasconade; Crawford; Reynolds

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Sunday 2:53am CDT

Alert Effective: Sunday 2:53am CDT

Alert Expires: Sunday 6:00pm CDT (expect updated alert by this time)

Event Onset: Sunday 2:53am CDT

Event Ends: Sunday 7:00pm CDT

Issued by: NWS St Louis MO

Details: 
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Heat index values up to 103.

* WHERE...Boone MO, Callaway MO, Cole MO, Moniteau MO, Osage MO,
Crawford MO, Gasconade MO, and Reynolds MO Counties.

* WHEN...Until 7 PM CDT this evening.

* 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. Young children and
pets should never be left unattended in vehicles under any
circumstances. Take extra precautions if you work or spend time
outside. When possible reschedule strenuous activities to early
morning or evening. Know the signs and symptoms of heat exhaustion
and heat stroke. Wear lightweight and loose fitting clothing when
possible. 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.f6f75579af980912cc78dad543d66d3f192ab375.001.1
Codes: MOZ041, MOZ047, MOZ048, MOZ049, MOZ050, MOZ059, MOZ072, MOZ099
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f6f75579af980912cc78dad543d66d3f192ab375.001.1