Lexington Weather

Lexington, Massachusetts, USA

79°F
7/13/2026 8:04pm 
  • Lexington Conditions: Clear
  • Temperature: 79.3°F / 26.3°CColder 1.1°F than last hour.
  • Dew Point: 65.7°FDecreased 1.4°Fsince last hour.
  • Relative Humidity: 63%Decreased 1.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 1 mph
  • Barometer: 30.00 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Heat Advisory
 - SEE ALL NEARBY ALERTS -

Watches, Warnings, and Advisories

Issued by the National Weather Service - Billings, MT

    EXTREME HEAT WARNING  

Northeastern Yellowstone, MT

Extreme Heat Warning issued July 13 at 1:08PM MDT until July 15 at 12:00AM MDT by NWS Billings MT

EXTREME HEAT WARNING REMAINS 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: Monday 1:08pm MDT

Alert Effective: Monday 1:08pm MDT

Alert Expires: Tuesday 1:15pm MDT (expect updated alert by this time)

Event Onset: Monday 1:08pm MDT

Event Ends: Wednesday 12:00am MDT

Issued by: NWS Billings MT

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

* WHAT...Very hot daytime temperatures combined with warm overnight
lows 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 98 to 105 today and Tuesday. 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.df243e1e85a6d2b6c312163c9f896445bea229c9.002.1
Codes: MTZ030, MTZ031, MTZ057, MTZ138, MTZ139, MTZ169, MTZ173, MTZ235
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.df243e1e85a6d2b6c312163c9f896445bea229c9.002.1

 

    FLOOD WATCH  

Northeastern Yellowstone, MT

Flood Watch issued July 13 at 3:12PM MDT until July 15 at 12:00AM MDT by NWS Billings MT

FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING

Areas Affected: Musselshell; Northern Stillwater; Golden Valley; Judith Gap; Crazy Mountains; Northern Sweet Grass; Melville Foothills; Northeastern Yellowstone; Southern Wheatland; Southwestern Yellowstone

Urgency: Future

Severity: Severe

Certainty: Possible

Alert Sent: Monday 3:12pm MDT

Alert Effective: Monday 3:12pm MDT

Alert Expires: Tuesday 3:15pm MDT (expect updated alert by this time)

Event Onset: Tuesday 3:00pm MDT

Event Ends: Wednesday 12:00am MDT

Issued by: NWS Billings MT

Details: 
...FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING...

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...Portions of central and south central Montana, including
the following areas, in central Montana, Golden Valley, Judith Gap,
Musselshell and Southern Wheatland. In south central Montana, Crazy
Mountains, Melville Foothills, Northeastern Yellowstone, Northern
Stillwater, Northern Sweet Grass and Southwestern Yellowstone.

* WHEN...From Tuesday afternoon through Tuesday evening.

* IMPACTS...Excessive runoff may result in flooding of creeks,
streams, and other low-lying and flood-prone locations. Flooding
may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Scattered thunderstorms with the potential to produce very heavy
rainfall will move across the area late Tuesday through the
evening.
- http://www.weather.gov/safety/flood

Meta data: 
ID: urn:oid:2.49.0.1.840.0.ec3709f97ad03111839cbdf22e8a5a4ac7dca157.001.1
Codes: MTZ029, MTZ034, MTZ042, MTZ063, MTZ068, MTZ141, MTZ172, MTZ173, MTZ228, MTZ235
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ec3709f97ad03111839cbdf22e8a5a4ac7dca157.001.1