Lexington Weather

Lexington, Massachusetts, USA

78°F

7/12/2026 6:41pm

Lexington Conditions: Clear
Temperature: 78.1°F / 25.6°C
Dew Point: 55.6°F
Relative Humidity: 46%
Wind: Calm, 10-min avg: Calm, gust: None
Barometer: 30.12 in Steady
Visibility: 10 miles
Rain Today: 0.00 in

Watches, Warnings, and Advisories

Issued by the National Weather Service - NWS Flagstaff, AZ

EXTREME HEAT WARNING

Marble and Glen Canyons, AZ

Extreme Heat Warning issued July 11 at 9:17AM MST until July 12 at 8:00PM MST by NWS Flagstaff AZ

EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /9 PM MDT/ SUNDAY

Areas Affected: Marble and Glen Canyons

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Saturday 9:17am MST

Alert Effective: Saturday 9:17am MST

Alert Expires: Sunday 8:00pm MST

Event Onset: Saturday 11:00am MST

Event Ends: Sunday 8:00pm MST

Issued by: NWS Flagstaff AZ

Details:

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /9 PM MDT/ SUNDAY...

* WHAT...Dangerously hot conditions, with temperatures up to 107
expected.

* WHERE...Marble and Glen Canyons.

* WHEN...Until 8 PM MST /9 PM MDT/ Sunday.

* IMPACTS...Most individuals will be at risk for heat-related
illnesses without effective cooling or adequate hydration,
especially with prolonged outdoor exposure.

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 action when you see symptoms of heat exhaustion and heat stroke.
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:2.49.0.1.840.0.24f61aba4030df4969a8f98850036856b2f2b1c0.002.1
Codes: AZZ005
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.24f61aba4030df4969a8f98850036856b2f2b1c0.002.1