Lexington Weather

Lexington, Massachusetts, USA

58°F
4/13/2026 10:22am 
  • Lexington Conditions: Overcast
  • Temperature: 57.6°F / 14.2°CWarmer 1.8°F than last hour.
  • Dew Point: 52.2°FIncreased 1.5°Fsince last hour.
  • Feels Like: 56.7°F
  • Relative Humidity: 82%Decreased 1.0% since last hour.
  • Wind: Wind from SW SW 6 mph, 10-min avg: 3 mph, gust: 14 mph
  • Barometer: 29.98 inFalling 0.02 inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Red Flag Warning

Issued by the National Weather Service - Rapid City, SD

    RED FLAG WARNING  

Central Black Hills, SD; Southern Black Hills, SD; Fall River County Area, SD; Eastern Foot Hills, SD; Custer County Plains, SD; Pine Ridge Area, SD; West Central Plains, SD; Badlands Area, SD; Southern Campbell, WY; Weston County Plains, WY

Red Flag Warning issued April 13 at 2:29AM MDT until April 13 at 9:00PM MDT by NWS Rapid City SD

RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 315, 317, 320, 321, 322, 324, 325, 326, 329, AND 332

Areas Affected: Central Black Hills; Southern Black Hills; Fall River County Area; Eastern Foot Hills; Custer County Plains; Pine Ridge Area; West Central Plains; Badlands Area; Southern Campbell; Weston County Plains

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Monday 2:29am MDT

Alert Effective: Monday 2:29am MDT

Alert Expires: Monday 9:00pm MDT

Event Onset: Monday 2:29am MDT

Event Ends: Monday 9:00pm MDT

Issued by: NWS Rapid City SD

Details: 
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 315, 317, 320, 321, 322, 324, 325, 326, 329, AND 332...

...CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS EVENING ACROSS
PORTIONS OF NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA...

.Warm, very dry, and windy weather will support critical fire
weather conditions over portions of northeastern Wyoming and
western South Dakota through this evening.

* AFFECTED AREA...Fire Weather Zones 315 Southern Campbell, 317
Weston County Plains, 320 Central Black Hills, 321 Southern
Black Hills, 322 Fall River County Area, 324 Eastern Foot
Hills, 325 Custer County Plains, 326 Pine Ridge Area, 329 West
Central Plains and 332 Badlands Area.

* WINDS...West 20 to 30 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...As low as 10 percent.

* IMPACTS...The combination of gusty winds and low relative
humidity will produce critical fire weather conditions.

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.b782d2673be2f245c7250743ea3ffb89af114839.001.1
Codes: SDZ320, SDZ321, SDZ322, SDZ324, SDZ325, SDZ326, SDZ329, SDZ332, WYZ315, WYZ317
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b782d2673be2f245c7250743ea3ffb89af114839.001.1