Lexington Weather

Lexington, Massachusetts, USA

50°F
4/19/2026 12:30pm 
  • Lexington Conditions: Overcast
  • Temperature: 49.8°F / 9.9°CWarmer 0.9°F than last hour.
  • Dew Point: 48.7°FIncreased 0.9°Fsince last hour.
  • Relative Humidity: 96% 
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.69 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.02 in
  •   

Flash Flood Watch

Issued by the National Weather Service - Grand Rapids, MI

    FLASH FLOOD WATCH  

Oceana, MI

Flash Flood Watch issued April 18 at 7:24PM EDT until April 20 at 12:00PM EDT by NWS Grand Rapids MI

FLASH FLOOD WATCH FOR THE POTENTIAL FAILURE OF HESPERIA DAM ON THE WHITE RIVER NOW IN EFFECT THROUGH MONDAY MORNING

Areas Affected: Oceana

Urgency: Future

Severity: Severe

Certainty: Possible

Alert Sent: Saturday 7:24pm EDT

Alert Effective: Saturday 7:24pm EDT

Alert Expires: Sunday 9:30pm EDT (expect updated alert by this time)

Event Onset: Saturday 7:24pm EDT

Event Ends: Monday 12:00pm EDT

Issued by: NWS Grand Rapids MI

Details: 
...FLASH FLOOD WATCH FOR THE POTENTIAL FAILURE OF HESPERIA DAM ON THE WHITE RIVER NOW IN EFFECT THROUGH MONDAY MORNING...

* WHAT...Flash Flooding caused by a potential dam or levee failure
continues to be possible at the Hesperia Dam.

* WHERE...A portion of west central Michigan, including the
following county, Oceana.

* WHEN...Through Monday morning.

* IMPACTS...Dam failure may result in flash flooding of low-lying
areas below the dam.

* ADDITIONAL DETAILS...
- Another round of heavy rain fell last night across the White
River watershed, which has resulted in additional water
coming down the river. Very high flows continue at Hesperia
Dam, and will continue through the weekend.
- http://www.weather.gov/safety/flood

Information: 
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

Dam safety experts with state and local emergency services are
monitoring the dam and will issue a public statement as conditions
warrant. PLAN NOW so you will know what to do in an emergency. Keep
informed by listening to local radio and television for statements
and possible warnings. Follow the advice of public safety officials.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.0d1a6b3d842f0f7817c0155b00c8da39a13e00c9.001.1
Codes: MIZ043
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0d1a6b3d842f0f7817c0155b00c8da39a13e00c9.001.1