Lexington Weather

Lexington, Massachusetts, USA

73°F
5/27/2026 11:19pm 
  • Lexington Conditions: Overcast
  • Temperature: 73.0°F / 22.8°CColder 0.9°F than last hour.
  • Dew Point: 53.2°FDecreased 1.5°Fsince last hour.
  • Relative Humidity: 50%Decreased 1.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 1 mph
  • Barometer: 29.68 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Red Flag Warning

Issued by the National Weather Service - Salt Lake City, UT

    RED FLAG WARNING  

Henry Mountains, UT; Grand Staircase, UT

Red Flag Warning issued May 27 at 11:41AM MDT until May 28 at 9:00PM MDT by NWS Salt Lake City UT

RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 494 AND 498

Areas Affected: Henry Mountains; Grand Staircase

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Wednesday 11:41am MDT

Alert Effective: Wednesday 11:41am MDT

Alert Expires: Wednesday 11:00pm MDT (expect updated alert by this time)

Event Onset: Wednesday 12:00pm MDT

Event Ends: Thursday 9:00pm MDT

Issued by: NWS Salt Lake City UT

Details: 
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 494 AND 498...

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains and Fire
Weather Zone 498 Grand Staircase.

* WINDS...South 15 to 25 mph with gusts up to 40 mph developing
both Wednesday and Thursday afternoons. Winds diminishing
after sunset each evening.

* RELATIVE HUMIDITY...As low as 8-10 percent both Wednesday and
Thursday afternoons. Overnight RH recovery 25-35 percent.

* IMPACTS...Critical fire weather conditions are expected. Any
new fire starts or existing fires may spread rapidly.

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

Meta data: 
ID: urn:oid:2.49.0.1.840.0.4b01316638fd435badf62fb2fde32eb1cfef2584.002.1
Codes: UTZ494, UTZ498
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4b01316638fd435badf62fb2fde32eb1cfef2584.002.1