Lexington Weather

Lexington, Massachusetts, USA

76°F
9/9/2026 1:43pm 
  • Lexington Conditions: Clear
  • Temperature: 75.9°F / 24.4°CWarmer 2.9°F than last hour.
  • Dew Point: 64.2°FIncreased 0.7°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
  •   

Heat Advisory

Issued by the National Weather Service - San Joaquin Valley, CA

    HEAT ADVISORY  

Heat Advisory issued September 9 at 3:31AM PDT until September 10 at 10:00PM PDT by NWS Hanford CA

HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM PDT THURSDAY

Areas Affected: West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Wednesday 3:31am PDT

Alert Effective: Wednesday 3:31am PDT

Alert Expires: Wednesday 12:00pm PDT (expect updated alert by this time)

Event Onset: Wednesday 10:00am PDT

Event Ends: Thursday 10:00pm PDT

Issued by: NWS Hanford CA

Details: 
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM PDT THURSDAY...

* WHAT...High temperatures up to 102 and morning lows up to 75
expected. Widespread Moderate HeatRisk will be present with areas
of Major HeatRisk in the foothills where the thermal belt is
strongest and in urban areas.

* WHERE...The San Joaquin Valley, Sierra Nevada Foothills, and West
Side Hills along the Coastal Range.

* WHEN...From 10 AM this morning to 10 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses, especially
those without effective cooling and/or adequate hydration.

* ADDITIONAL DETAILS...Little to no relief at night in areas of Major
HeatRisk. Air conditioning is necessary; fans and open windows at
night will not be enough.

Information: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.50f221149c7ee081a6755cbbb26ae5df75154b49.001.1
Codes: CAZ300, CAZ301, CAZ302, CAZ303, CAZ304, CAZ305, CAZ306, CAZ307, CAZ308, CAZ309, CAZ310, CAZ311, CAZ312, CAZ313, CAZ314, CAZ315, CAZ316, CAZ317, CAZ319, CAZ321
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.50f221149c7ee081a6755cbbb26ae5df75154b49.001.1