Lexington Weather

Lexington, Massachusetts, USA

31°F

3/13/2026 3:11am

Lexington Conditions: Clear
Temperature: 31.3°F / -0.4°C
Dew Point: 19.4°F
Relative Humidity: 61%
Wind: Calm, 10-min avg: Calm, gust: None
Barometer: 29.87 in Rising Slowly
Visibility: 10 miles
Snow Today: 0.0 in

Red Flag Warning

Issued by the National Weather Service - Denver/Boulder, CO

RED FLAG WARNING

Larimer County Below 6000 Feet/Northwest Weld County, CO; Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County, CO; North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County, CO; Elbert/Central and East Douglas Counties Above 6000 Feet, CO; Northeast Weld County, CO; Central and South Weld County, CO; Morgan County, CO; Central and East Adams and Arapahoe Counties, CO; North and Northeast Elbert County Below 6000 Feet/North Lincoln County, CO; Southeast Elbert County Below 6000 Feet/South Lincoln County, CO; Logan County, CO; Washington County, CO

Red Flag Warning issued March 12 at 8:58PM MDT until March 14 at 9:00PM MDT by NWS Denver CO

RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND PLAINS... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND PLAINS... ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND PLAINS

Areas Affected: Larimer County Below 6000 Feet/Northwest Weld County; Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County; North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County; Elbert/Central and East Douglas Counties Above 6000 Feet; Northeast Weld County; Central and South Weld County; Morgan County; Central and East Adams and Arapahoe Counties; North and Northeast Elbert County Below 6000 Feet/North Lincoln County; Southeast Elbert County Below 6000 Feet/South Lincoln County; Logan County; Washington County

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Thursday 8:58pm MDT

Alert Effective: Thursday 8:58pm MDT

Alert Expires: Friday 3:00pm MDT (expect updated alert by this time)

Event Onset: Saturday 11:00am MDT

Event Ends: Saturday 9:00pm MDT

Issued by: NWS Denver CO

Details:

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND PLAINS... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND PLAINS... ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE URBAN CORRIDOR AND PLAINS...

The National Weather Service in Denver has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 11 AM to 9 PM MDT Saturday. The Fire Weather Watch is no
longer in effect.

* AFFECTED AREA...Fire Weather Zones 238, 239, 240, 241, 242,
243, 244, 245, 246, 247, 248 and 249.

* TIMING...For Friday, from 11 AM to 8 PM MDT. For Saturday, from
11 AM to 9 PM MDT Saturday.

* WINDS...On Friday, west winds 15 to 25 mph with gusts 25 to 40
mph. On Saturday, west winds 20 to 30 mph with gusts 35 to 50
mph.

* RELATIVE HUMIDITY...On Friday, 12 to 17 percent. On Saturday, 10
to 15 percent.

* IMPACTS...Conditions will be favorable for rapid fire spread.
Avoid outdoor burning and any activity that may produce a
spark and start a wildfire.

Information:

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

Meta data:

ID: urn:oid:2.49.0.1.840.0.6c27d8e6617ebfb72d5975d2a854ac006693e89a.001.3
Codes: COZ238, COZ239, COZ240, COZ241, COZ242, COZ243, COZ244, COZ245, COZ246, COZ247, COZ248, COZ249
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6c27d8e6617ebfb72d5975d2a854ac006693e89a.001.3