Lexington Weather

Lexington, Massachusetts, USA

51°F
4/18/2026 11:01am 
  • Lexington Conditions: Mist, Overcast
  • Temperature: 51.1°F / 10.6°CColder 0.2°F than last hour.
  • Dew Point: 49.6°FDecreased 0.2°Fsince last hour.
  • Relative Humidity: 95% 
  • Wind: Calm, 10-min avg: Calm, gust: 1 mph
  • Barometer: 30.10 in Steady
  • Visibility: 5 miles
  • Rain Today: 0.00 in
  •   

Flood Warning

Issued by the National Weather Service - Quad Cities, IA/IL

    FLOOD WARNING  

Mercer County, IL

Flood Warning issued April 17 at 10:38PM CDT by NWS Quad Cities IA IL

FLOOD WARNING NOW IN EFFECT FROM THIS EVENING UNTIL FURTHER NOTICE

Areas Affected: Louisa, IA; Mercer, IL

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Friday 10:38pm CDT

Alert Effective: Friday 10:38pm CDT

Alert Expires: Saturday 10:45pm CDT

Event Onset: Friday 10:38pm CDT

Issued by: NWS Quad Cities IA IL

Details: 
...FLOOD WARNING NOW IN EFFECT FROM THIS EVENING UNTIL FURTHER NOTICE...

...The Flood Warning is extended for the following rivers in
Illinois...Iowa...Missouri...

Mississippi River at New Boston LD17 affecting Louisa and Mercer
Counties.

Mississippi River at Gregory Landing affecting Hancock and Clark
Counties.

Mississippi River at Rock Island LD15 affecting Scott, Rock
Island and Muscatine Counties.

...The Flood Warning continues for the following rivers in
Illinois...Iowa...

Mississippi River at Keithsburg affecting Henderson, Des Moines,
Louisa and Mercer Counties.

Mississippi River at Burlington affecting Henderson, Des Moines,
Lee and Hancock Counties.

Mississippi River at Gladstone LD18 affecting Henderson and Des
Moines Counties.

* WHAT...Minor flooding is occurring and moderate flooding is
forecast.

* WHERE...Mississippi River at New Boston LD17.

* WHEN...From this evening until further notice.

* IMPACTS...At 18.1 feet, Lock and Dam 17 is closed.

* ADDITIONAL DETAILS...
- At 10:10 PM CDT Friday the stage was 15.1 feet.
- Forecast...The river is expected to rise to 17.4 feet Friday,
April 24. Additional rises are possible thereafter.
- Flood stage is 15.0 feet. Moderate flood stage is 16.5 feet.

Information: 
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

The next statement will be issued by Saturday evening at 1045 PM CDT.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.debd079d383f21953c84a31cdc7cf148c5460cbc.001.1
Codes: ILC131
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.debd079d383f21953c84a31cdc7cf148c5460cbc.001.1