Lexington Weather

Lexington, Massachusetts, USA

78°F
7/12/2026 6:43pm 
  • Lexington Conditions: Clear
  • Temperature: 78.1°F / 25.6°CColder 0.5°F than last hour.
  • Dew Point: 55.6°FDecreased 1.6°Fsince last hour.
  • Relative Humidity: 46%Decreased 2.0% since last hour.
  • 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 - Billings, MT

    EXTREME HEAT WARNING  

Southwestern Yellowstone, MT

Extreme Heat Warning issued July 12 at 12:54PM MDT until July 15 at 12:00AM MDT by NWS Billings MT

EXTREME HEAT WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT TUESDAY NIGHT

Areas Affected: Treasure; Northern Rosebud; Northern Big Horn; Southern Big Horn; Southeastern Carbon; Bighorn Canyon; Northeastern Yellowstone; Southwestern Yellowstone

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Sunday 12:54pm MDT

Alert Effective: Sunday 12:54pm MDT

Alert Expires: Monday 1:00pm MDT (expect updated alert by this time)

Event Onset: Sunday 12:54pm MDT

Event Ends: Wednesday 12:00am MDT

Issued by: NWS Billings MT

Details: 
...EXTREME HEAT WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT TUESDAY NIGHT...

* WHAT...Extremely hot daytime temperatures combined with warm
overnight low temperatures will produce cumulative heat stress.

* WHERE...Portions of south central and southeast Montana.

* WHEN...Until midnight MDT Tuesday Night.

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

* ADDITIONAL DETAILS...Dangerously hot conditions with high
temperatures of 104 to 112 today.  Temperatures Monday through
Tuesday will range from near 100 to 105. Overnight lows will remain
well above normal providing only limited relief.

Information: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, plan outdoor activities during the early morning and late
evening hours, 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.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.285b4aa2a5927499fcbef4b0f65243cece816a42.001.1
Codes: MTZ030, MTZ031, MTZ057, MTZ138, MTZ139, MTZ169, MTZ173, MTZ235
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.285b4aa2a5927499fcbef4b0f65243cece816a42.001.1