Lexington Weather

Lexington, Massachusetts, USA

47°F
4/19/2026 8:10am 
  • Lexington Conditions: Mist, Overcast
  • Temperature: 46.6°F / 8.1°CWarmer 0.6°F than last hour.
  • Dew Point: 45.1°FIncreased 0.5°Fsince last hour.
  • Relative Humidity: 95% 
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.73 inFalling 0.03 inHg/hr Falling Slowly
  • Visibility: 1½ miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - Cheyenne, WY

    RED FLAG WARNING  

Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland, WY

Red Flag Warning issued April 19 at 2:14AM MDT until April 20 at 8:00PM MDT by NWS Cheyenne WY

RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT MONDAY FOR EXTREMELY DRY AND BREEZY CONDITIONS FOR FIRE WEATHER ZONES 417, 418, 430, 431, 432, 433, 434, 435, 436, AND 437

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; 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: Sunday 2:14am MDT

Alert Effective: Sunday 2:14am MDT

Alert Expires: Sunday 6:00pm MDT (expect updated alert by this time)

Event Onset: Sunday 11:00am MDT

Event Ends: Monday 8:00pm MDT

Issued by: NWS Cheyenne WY

Details: 
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT MONDAY FOR EXTREMELY DRY AND BREEZY CONDITIONS FOR FIRE WEATHER ZONES 417, 418, 430, 431, 432, 433, 434, 435, 436, AND 437...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 11 AM Sunday to 8 PM MDT Monday.

* AFFECTED AREA...Fire weather zones 417, 418 and 430 through
437.

* WIND...West to northwest wind with gusts to 20 mph on Sunday,
becoming light and variable overnight, then west to northwest
winds with gusts between 25 and 30 mph on Monday.

* HUMIDITY...5 to 10 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:2.49.0.1.840.0.3fd50128137397e4961b10cb31af06a5690b868d.001.1
Codes: NEZ434, NEZ435, NEZ436, NEZ437, WYZ417, WYZ418, WYZ430, WYZ431, WYZ432, WYZ433
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3fd50128137397e4961b10cb31af06a5690b868d.001.1