Lexington Weather

Lexington, Massachusetts, USA

69°F
8/12/2026 2:21am 
  • Lexington Conditions: Clear
  • Temperature: 68.7°F / 20.4°CColder 0.9°F than last hour.
  • Dew Point: 62.6°FIncreased 0.2°Fsince last hour.
  • Relative Humidity: 81%Increased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.73 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - Boise, ID

    FIRE WEATHER WATCH  

Fire Weather Watch issued August 11 at 1:27PM MDT until August 14 at 6:00AM MDT by NWS Boise ID

FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT FOR LIGHTNING FOR NORTHERN BOISE BLM... WESTERN PAYETTE NATIONAL FOREST...EASTERN PAYETTE NATIONAL FOREST...NORTHERN BOISE NATIONAL FOREST...TREASURE VALLEY BLM... SOUTHERN BOISE/WESTERN SAWTOOTH NF, INCLUDING THE CAMAS PRAIRIE... OWYHEE MOUNTAINS...WESTERN TWIN FALLS BLM...SOUTHERN HIGHLANDS... SOUTHERN GRASSLANDS...CENTRAL CANYONLANDS AND NORTHWESTERN VALE BLM...WHICH ARE FIRE WEATHER ZONES 400...401...402...403...420... 421...423...424...426...672...673 AND 674

Areas Affected: Northern Boise BLM; Western Payette National Forest; Eastern Payette National Forest; Northern Boise National Forest; Treasure Valley BLM; Southern Boise/Western Sawtooth NF, including the Camas Prairie; Owyhee Mountains; Western Twin Falls BLM; Southern Highlands; Southern Grasslands; Central Canyonlands; Northwestern Vale BLM

Urgency: Future

Severity: Severe

Certainty: Possible

Alert Sent: Tuesday 1:27pm MDT

Alert Effective: Tuesday 1:27pm MDT

Alert Expires: Wednesday 3:00pm MDT (expect updated alert by this time)

Event Onset: Thursday 3:00pm MDT

Event Ends: Friday 6:00am MDT

Issued by: NWS Boise ID

Details: 
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT FOR LIGHTNING FOR NORTHERN BOISE BLM... WESTERN PAYETTE NATIONAL FOREST...EASTERN PAYETTE NATIONAL FOREST...NORTHERN BOISE NATIONAL FOREST...TREASURE VALLEY BLM... SOUTHERN BOISE/WESTERN SAWTOOTH NF, INCLUDING THE CAMAS PRAIRIE... OWYHEE MOUNTAINS...WESTERN TWIN FALLS BLM...SOUTHERN HIGHLANDS... SOUTHERN GRASSLANDS...CENTRAL CANYONLANDS AND NORTHWESTERN VALE BLM...WHICH ARE FIRE WEATHER ZONES 400...401...402...403...420... 421...423...424...426...672...673 AND 674...

...MONSOON MOISTURE WILL BRING SCATTERED THUNDERSTORMS THURSDAY...

A push of monsoon moisture will bring scattered thunderstorms to
the region Thursday afternoon through Friday morning. Lingering
dry surface air will limit the rainfall amounts on Thursday,
increasing concern for lightning ignitions.

The National Weather Service in Boise has issued a Fire Weather
Watch for lightning, which is in effect from Thursday afternoon
through late Thursday night.

* AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern
Boise BLM, 401 Western Payette National Forest, 402 Eastern
Payette National Forest, 403 Northern Boise National Forest,
420 Treasure Valley BLM, 421 Southern Boise/Western Sawtooth
NF, including the Camas Prairie, 423 Owyhee Mountains, 424
Western Twin Falls BLM and 426 Southern Highlands. In Oregon,
Fire Weather Zones 672 Southern Grasslands, 673 Central
Canyonlands and 674 Northwestern Vale BLM.

* TIMING...From Thursday afternoon through early Friday morning.

* THUNDERSTORMS...Scattered coverage with abundant lightning.

* OUTFLOW WINDS...Gusty erratic winds up to 40 mph.

* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.

Information: 
A Fire Weather Watch means that critical fire weather conditions
are possible. Listen for later forecasts and possible Red Flag
Warnings.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.760bd205995ef1d432b33eac58eeeaf785f99346.001.1
Codes: IDZ400, IDZ401, IDZ402, IDZ403, IDZ420, IDZ421, IDZ423, IDZ424, IDZ426, ORZ672, ORZ673, ORZ674
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.760bd205995ef1d432b33eac58eeeaf785f99346.001.1