Lexington Weather

Lexington, Massachusetts, USA

68°F
9/9/2026 11:13am 
  • Lexington Conditions: Partly cloudy
  • Temperature: 67.8°F / 19.9°CWarmer 4.5°F than last hour.
  • Dew Point: 62.1°FIncreased 2.7°Fsince last hour.
  • Relative Humidity: 82%Decreased 5.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 2 mph
  • Barometer: 30.17 inFalling 0.02 inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Extreme Heat Warning

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 FROM 10 AM MST /10 AM PDT/ THIS MORNING TO 8 PM MST /8 PM PDT/ FRIDAY

Areas Affected: Parker Valley; Central La Paz; Palo Verde Valley; Chuckwalla Valley

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Wednesday 4:22am MST

Alert Effective: Wednesday 4:22am MST

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

Event Onset: Wednesday 10:00am MST

Event Ends: Friday 8:00pm MST

Issued by: NWS Phoenix AZ

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/ THIS MORNING TO 8 PM MST /8 PM PDT/ FRIDAY...

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures
102 to 112 expected. Major Heat Risk.

* WHERE...In Arizona, Central La Paz and Parker Valley. In
California, Chuckwalla Valley and Palo Verde Valley.

* WHEN...From 10 AM MST /10 AM PDT/ this morning to 8 PM MST /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.005.1
Codes: AZZ530, AZZ533
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.aaf219374760c7ed45c5a93a13f41c321f17c73b.005.1