Lexington Weather

Lexington, Massachusetts, USA

68°F
8/24/2026 1:43am 
  • Lexington Conditions: Partly cloudy
  • Temperature: 67.8°F / 19.9°C 
  • Dew Point: 66.6°FIncreased 0.2°Fsince last hour.
  • Relative Humidity: 96%Increased 1.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.81 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - NWS Tucson Arizona

    EXTREME HEAT WARNING  

Extreme Heat Warning issued August 23 at 11:45AM MST until August 29 at 8:00PM MST by NWS Tucson AZ

EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SATURDAY

Areas Affected: Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Upper Gila River and Aravaipa Valleys including Clifton/Safford

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Sunday 11:45am MST

Alert Effective: Sunday 11:45am MST

Alert Expires: Monday 5:00am MST (expect updated alert by this time)

Event Onset: Sunday 11:45am MST

Event Ends: Saturday 8:00pm MST

Issued by: NWS Tucson AZ

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SATURDAY...

* WHAT...Dangerously hot conditions with high temperatures ranging
between 103 to 111 degrees and low temperatures 79 to 85 degrees.
Major HeatRisk is expected through Tuesday and then widespread
Major to Extreme HeatRisk Wednesday through Saturday.


* WHERE...Pinal County, Tohono O'odham Nation, Tucson Metro Area,
Upper Gila River Valley, and Western Pima County.

* WHEN...Until 8 PM MST Saturday.

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

Information: 
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.

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.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.af5f9cb12134f504ceaeefe6f2aa2c7b8b226bd2.002.1
Codes: AZZ501, AZZ502, AZZ504, AZZ505, AZZ506, AZZ509
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.af5f9cb12134f504ceaeefe6f2aa2c7b8b226bd2.002.1