Lexington Weather

Lexington, Massachusetts, USA

76°F
9/9/2026 1:45pm 
  • Lexington Conditions: Clear
  • Temperature: 76.1°F / 24.5°CWarmer 2.5°F than last hour.
  • Dew Point: 64.4°FIncreased 0.4°Fsince last hour.
  • Relative Humidity: 67%Decreased 5.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 1 mph
  • Barometer: 30.10 inFalling 0.03 inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - NWS Phoenix

    EXTREME HEAT WARNING  

Extreme Heat Warning issued September 9 at 4:22AM MST until September 11 at 8:00PM MST by NWS Phoenix AZ

EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY

Areas Affected: Imperial County Southwest; Imperial County West; Imperial Valley

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Wednesday 4:22am PDT

Alert Effective: Wednesday 4:22am PDT

Alert Expires: Wednesday 4:00pm PDT (expect updated alert by this time)

Event Onset: Wednesday 4:22am PDT

Event Ends: Friday 8:00pm PDT

Issued by: NWS Phoenix AZ

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures
108 to 114 expected. Major Heat Risk.

* WHERE...Imperial County Southwest, Imperial County West, and
Imperial Valley.

* WHEN...Until 8 PM PDT Friday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.

Information: 
An Extreme Heat Warning means that a period of very hot temperatures,
even by local standards, will occur. Actions should be taken to
lessen the impact of the extreme heat.

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 and
drink plenty of water.

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.

Public cooling shelters are available in some areas. Consult county
officials for more details.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.aaf219374760c7ed45c5a93a13f41c321f17c73b.004.1
Codes: CAZ562, CAZ566, CAZ567
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.aaf219374760c7ed45c5a93a13f41c321f17c73b.004.1