Lexington Weather

Lexington, Massachusetts, USA

75°F
7/13/2026 11:29pm 
  • Lexington Conditions: Clear
  • Temperature: 74.8°F / 23.8°CColder 1.5°F than last hour.
  • Dew Point: 63.1°FDecreased 1.5°Fsince last hour.
  • Relative Humidity: 67% 
  • Wind: Calm, 10-min avg: Calm, gust: 4 mph
  • Barometer: 29.99 inFalling 0.02 inHg/hr Falling Slowly
  • 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 - Cheyenne, WY

    RED FLAG WARNING  

Pine Ridge/Nebraska National Forest, NE

Red Flag Warning issued July 13 at 1:47PM MDT until July 15 at 8:00PM MDT by NWS Cheyenne WY

RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT WEDNESDAY FOR LOW RH, CRITICAL FUELS, AND BREEZY WINDS FOR FIRE WEATHER ZONES 417, 418, 419, 420, 423, 427, 430, 431, 432, 433, AND 434

Areas Affected: Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River; Lower North Platte River Basin/Scottsbluff National Monument; Lodgepole Creek/Southern Nebraska Panhandle; Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Middle North Platte River Basin/Niobrara and Converse High Plains; North Laramie Range and Adjacent High Plains; North Laramie Valley/Shirley Basin; Southwest Carbon County; North Snowy Range Foothills; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Monday 1:47pm MDT

Alert Effective: Monday 1:47pm MDT

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

Event Onset: Monday 1:47pm MDT

Event Ends: Wednesday 8:00pm MDT

Issued by: NWS Cheyenne WY

Details: 
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT WEDNESDAY FOR LOW RH, CRITICAL FUELS, AND BREEZY WINDS FOR FIRE WEATHER ZONES 417, 418, 419, 420, 423, 427, 430, 431, 432, 433, AND 434...

* AFFECTED AREA...Fire weather zones 417, 418, 423, and 430
through 434.

* WIND...South to southeast winds 10 to 15 mph gusting up to 35
mph

* HUMIDITY...Between 10 and 15 percent

* IMPACTS...any fires that develop will likely 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:2.49.0.1.840.0.4844a84018bbac968e27bf867ccd3deb9459f75a.001.1
Codes: NEZ434, NEZ435, NEZ436, NEZ437, WYZ417, WYZ418, WYZ419, WYZ420, WYZ423, WYZ427, WYZ430, WYZ431, WYZ432, WYZ433
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4844a84018bbac968e27bf867ccd3deb9459f75a.001.1