Lexington Weather

Lexington, Massachusetts, USA

78°F
7/13/2026 9:03pm 
  • Lexington Conditions: Clear
  • Temperature: 78.3°F / 25.7°CColder 1.0°F than last hour.
  • Dew Point: 66.0°FIncreased 0.3°Fsince last hour.
  • Relative Humidity: 66%Increased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 1 mph
  • Barometer: 30.01 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 - Rapid City, SD

    RED FLAG WARNING  

Perkins County, SD

Red Flag Warning issued July 13 at 12:18PM MDT until July 14 at 9:00PM MDT by NWS Rapid City SD

RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT TUESDAY

Areas Affected: Fall River County Area; Northern Foot Hills; Eastern Foot Hills; Custer County Plains; Pine Ridge Area; Butte County Area; Perkins County; West Central Plains; Ziebach County; Haakon County Area; Badlands Area

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Monday 12:18pm MDT

Alert Effective: Monday 12:18pm MDT

Alert Expires: Tuesday 6:00am MDT (expect updated alert by this time)

Event Onset: Monday 12:18pm MDT

Event Ends: Tuesday 9:00pm MDT

Issued by: NWS Rapid City SD

Details: 
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT TUESDAY...

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT TUESDAY DUE TO
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA,
NORTHERN FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS, PINE
RIDGE AREA, BUTTE COUNTY AREA, PERKINS COUNTY, WEST CENTRAL PLAINS,
ZIEBACH COUNTY, HAAKON COUNTY AREA, AND BADLANDS AREA...

* AFFECTED AREA...Fire Weather Zones 322, 323, 324, 325, 326, 327,
328, 329, 330, 331, and 332.

* TIMING...Until 9 PM MDT Tuesday.

* WINDS...Southeast winds 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...Relative Humidity between 10 to 20 percent.

* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.

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:2.49.0.1.840.0.146df156740b600468cc96ee1fee823b94e4f44a.001.1
Codes: SDZ322, SDZ323, SDZ324, SDZ325, SDZ326, SDZ327, SDZ328, SDZ329, SDZ330, SDZ331, SDZ332
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.146df156740b600468cc96ee1fee823b94e4f44a.001.1