Lexington Weather

Lexington, Massachusetts, USA

49°F
4/12/2026 5:02pm 
  • Lexington Conditions: Few Clouds
  • Temperature: 48.9°F / 9.4°CColder 3.8°F than last hour.
  • Dew Point: 26.2°FIncreased 0.3°Fsince last hour.
  • Relative Humidity: 41%Increased 6.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 2 mph
  • Barometer: 30.33 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - Rapid City, SD

    RED FLAG WARNING  

West Central Plains, SD

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

RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT MONDAY 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: Sunday 12:12pm MDT

Alert Effective: Sunday 12:12pm MDT

Alert Expires: Monday 3:15am MDT (expect updated alert by this time)

Event Onset: Sunday 12:12pm MDT

Event Ends: Monday 9:00pm MDT

Issued by: NWS Rapid City SD

Details: 
...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT MONDAY 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 MONDAY ACROSS
PORTIONS OF NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA...

.Warm, very dry, and breezy weather will support critical fire
weather conditions over portions of northeastern Wyoming and
western South Dakota this afternoon and again Monday afternoon.

* 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...For today, west 10 to 20 mph with gusts up to 30 mph.
For Monday, 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:2.49.0.1.840.0.58b2a89a6bb72774146a4bd62560e79cdbfb3b9d.002.1
Codes: SDZ320, SDZ321, SDZ322, SDZ324, SDZ325, SDZ326, SDZ329, SDZ332, WYZ315, WYZ317
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.58b2a89a6bb72774146a4bd62560e79cdbfb3b9d.002.1