Lexington Weather

Lexington, Massachusetts, USA

78°F
7/27/2026 11:58am 
  • Lexington Conditions: Clear
  • Temperature: 78.1°F / 25.6°CWarmer 3.6°F than last hour.
  • Dew Point: 57.9°FIncreased 1.2°Fsince last hour.
  • Relative Humidity: 50%Decreased 4.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.78 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Red Flag Warning

Issued by the National Weather Service - Pocatello, ID

    RED FLAG WARNING  

East Salmon River Mountains/Salmon NF, ID; Lemhi and Lost River Range/Challis NF, ID

Red Flag Warning issued July 27 at 12:34AM MDT until July 27 at 9:00PM MDT by NWS Pocatello ID

RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 475 AND 476

Areas Affected: East Salmon River Mountains/Salmon NF; Lemhi and Lost River Range/Challis NF

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Monday 12:34am MDT

Alert Effective: Monday 12:34am MDT

Alert Expires: Monday 9:00pm MDT

Event Onset: Monday 12:00pm MDT

Event Ends: Monday 9:00pm MDT

Issued by: NWS Pocatello ID

Details: 
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 475 AND 476...

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 475 AND 476...

* AFFECTED AREA...Fire Weather Zone 475 East Salmon River
Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost
River Range/Challis NF.

* WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. Locally
high gusts are possible due to virga.

* RELATIVE HUMIDITY...As low as 13 percent.

* IMPACTS...Wind and low humidity can lead to rapid spread of
fire and more intense fire in receptive fuels.

Information: 
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:

- Relative humidity at or below 15 percent and wind gusts of at
least 25 mph in the mountains, or 30 mph in the Snake Plain.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.340e173b2e3433ca292f69c3a06e6129d43b1c84.001.1
Codes: IDZ475, IDZ476
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.340e173b2e3433ca292f69c3a06e6129d43b1c84.001.1