Lexington Weather

Lexington, Massachusetts, USA

70°F
8/18/2026 7:26am 
  • Lexington Conditions: Overcast
  • Temperature: 70.0°F / 21.1°CWarmer 0.4°F than last hour.
  • Dew Point: 68.2°FIncreased 0.7°Fsince last hour.
  • Relative Humidity: 94%Increased 1.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.80 inRising 0.02 inHg/hr Rising Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - Tallahassee, FL

    EXTREME HEAT WARNING  

Extreme Heat Warning issued August 18 at 2:38AM EDT until August 18 at 8:00PM EDT by NWS Tallahassee FL

EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM EDT /10 AM CDT/ THIS MORNING TO 8 PM EDT /7 PM CDT/ THIS EVENING

Areas Affected: Central Walton; Holmes; Washington; Jackson; Inland Bay; Calhoun; Inland Gulf; Inland Franklin; Gadsden; Leon; Inland Jefferson; Madison; Inland Wakulla; Inland Taylor; Lafayette; Inland Dixie; South Walton; Coastal Bay; Coastal Gulf; Coastal Franklin; Coastal Jefferson; Coastal Wakulla; Coastal Taylor; Coastal Dixie; Northern Liberty; Southern Liberty; Seminole; Decatur; Grady; Thomas; Brooks; Lowndes

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Tuesday 2:38am EDT

Alert Effective: Tuesday 2:38am EDT

Alert Expires: Tuesday 8:00pm EDT

Event Onset: Tuesday 11:00am EDT

Event Ends: Tuesday 8:00pm EDT

Issued by: NWS Tallahassee FL

Details: 
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM EDT /10 AM CDT/ THIS MORNING TO 8 PM EDT /7 PM CDT/ THIS EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 115
expected.

* WHERE...Portions of Big Bend and Panhandle Florida and south
central and southwest Georgia.

* WHEN...From 11 AM EDT /10 AM CDT/ this morning to 8 PM EDT /7 PM
CDT/ this evening.

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

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

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

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.

Stay cool, stay hydrated, stay informed.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.f75f19b2408f775b27fce50479554266a78617ec.001.1
Codes: FLZ008, FLZ009, FLZ010, FLZ011, FLZ012, FLZ013, FLZ014, FLZ015, FLZ016, FLZ017, FLZ018, FLZ019, FLZ027, FLZ028, FLZ029, FLZ034, FLZ108, FLZ112, FLZ114, FLZ115, FLZ118, FLZ127, FLZ128, FLZ134, FLZ326, FLZ426, GAZ155, GAZ156, GAZ157, GAZ158, GAZ159, GAZ160
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f75f19b2408f775b27fce50479554266a78617ec.001.1