Lexington Weather

Lexington, Massachusetts, USA

69°F
7/28/2026 1:57am 
  • Lexington Conditions: Clear
  • Temperature: 69.4°F / 20.8°CColder 1.1°F than last hour.
  • Dew Point: 65.1°FDecreased 0.4°Fsince last hour.
  • Relative Humidity: 86%Increased 2.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.70 inFalling 0.02 inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - New Orleans/Baton Rouge

    EXTREME HEAT WARNING  

St. John The Baptist, LA

Extreme Heat Warning issued July 27 at 6:28PM CDT until July 28 at 8:00PM CDT by NWS New Orleans LA

EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING

Areas Affected: St. James; St. John The Baptist; Upper St. Bernard; Lower St. Bernard; Southeast St. Tammany; Western Orleans; Eastern Orleans; Northern St. Tammany; Southwestern St. Tammany; Central Tangipahoa; Lower Tangipahoa; Northern Livingston; Southern Livingston; Western Ascension; Eastern Ascension; Upper Jefferson; Upper Plaquemines; Central Plaquemines; Central Jefferson; Upper St. Charles; Central St. Charles; Lower St. Charles; Southern Hancock; Southern Harrison; Southern Jackson

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Monday 6:28pm CDT

Alert Effective: Monday 6:28pm CDT

Alert Expires: Tuesday 8:30am CDT (expect updated alert by this time)

Event Onset: Tuesday 11:00am CDT

Event Ends: Tuesday 8:00pm CDT

Issued by: NWS New Orleans LA

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...For the Heat Advisory, heat index values up to 108. For the
Extreme Heat Warning, dangerously hot conditions with heat index
values up to 113 to 115 expected.

* WHERE...Portions of southeast Louisiana and southern Mississippi.

* WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the
Extreme Heat Warning, from 11 AM to 8 PM CDT Tuesday.

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

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:2.49.0.1.840.0.876418a90f46cd356c10e5df2291d837a209f138.001.1
Codes: LAZ057, LAZ058, LAZ064, LAZ070, LAZ076, LAZ077, LAZ078, LAZ079, LAZ080, LAZ081, LAZ082, LAZ083, LAZ084, LAZ085, LAZ086, LAZ087, LAZ089, LAZ090, LAZ092, LAZ098, LAZ099, LAZ100, MSZ086, MSZ087, MSZ088
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.876418a90f46cd356c10e5df2291d837a209f138.001.1