Lexington Weather

Lexington, Massachusetts, USA

47°F

4/30/2026 9:16am

Lexington Conditions: Mist, Overcast
Temperature: 47.1°F / 8.4°C
Dew Point: 45.7°F
Relative Humidity: 95%
Wind: Calm, 10-min avg: Calm, gust: None
Barometer: 29.73 in Steady
Visibility: 5 miles
Rain Today: 0.05 in

Dense Fog Advisory

Issued by the National Weather Service - Milwaukee/Sullivan, WI

DENSE FOG ADVISORY

Washington, WI; Jefferson, WI; Waukesha, WI

Dense Fog Advisory issued April 30 at 6:47AM CDT until April 30 at 9:00AM CDT by NWS Milwaukee/Sullivan WI

DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING

Areas Affected: Washington; Jefferson; Waukesha

Urgency: Expected

Severity: Moderate

Certainty: Likely

Alert Sent: Thursday 6:47am CDT

Alert Effective: Thursday 6:47am CDT

Alert Expires: Thursday 9:00am CDT

Event Onset: Thursday 6:47am CDT

Event Ends: Thursday 9:00am CDT

Issued by: NWS Milwaukee/Sullivan WI

Details:

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...For the Dense Fog Advisory, visibility less than one mile
in dense fog. For the Frost Advisory, temperatures as low as 34
will result in frost formation.

* WHERE...Jefferson, Washington, and Waukesha Counties.

* WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning.
For the Frost Advisory, until 8 AM CDT this morning.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered. Low visibility
could make driving conditions hazardous.

Information:

Take steps now to protect tender plants from the cold.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

Meta data:

ID: urn:oid:2.49.0.1.840.0.075f81bf2a1a84950329c9872f53df85cd27785c.001.1
Codes: WIZ059, WIZ064, WIZ065
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.075f81bf2a1a84950329c9872f53df85cd27785c.001.1