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 - Chicago, IL

    FLOOD WARNING  

Cook County, IL

Flood Warning issued April 17 at 10:59PM CDT until April 20 at 4:00AM CDT by NWS Chicago IL

FLOOD WARNING IN EFFECT FROM SATURDAY AFTERNOON TO EARLY MONDAY MORNING

Areas Affected: Cook, IL

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Friday 10:59pm CDT

Alert Effective: Friday 10:59pm CDT

Alert Expires: Saturday 5:00pm CDT (expect updated alert by this time)

Event Onset: Saturday 1:00pm CDT

Event Ends: Monday 4:00am CDT

Issued by: NWS Chicago IL

Details: 
...FLOOD WARNING IN EFFECT FROM SATURDAY AFTERNOON TO EARLY MONDAY MORNING...

...The National Weather Service in Chicago IL has issued a Flood
Warning for the following rivers in Illinois...

Des Plaines River at Riverside affecting Cook County.

For the Des Plaines River...including Riverside...Minor flooding is
forecasted.

* WHAT...Minor flooding is forecasted.

* WHERE...Des Plaines River from Roosevelt Road in Forest Park
downstream to Hodgkins, including the Riverside gauge.

* WHEN...From Saturday afternoon to early Monday morning.

* IMPACTS...At 8.0 feet, Park areas are inundated near the
confluence of Des Plaines River and Salt Creek.

* ADDITIONAL DETAILS...
- At 9:45 PM CDT Friday the stage was 6.7 feet.
- Forecast...The river is expected to rise above flood stage
early tomorrow afternoon to a crest of 7.9 feet Sunday
morning. It will then fall below flood stage late Sunday
evening.
- Flood stage is 7.5 feet.
- http://www.weather.gov/safety/flood

Information: 
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.

These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.

Additional information is available at www.weather.gov.

The next statement will be issued by Saturday afternoon.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.abb5ee2346d01e4158b00ab0761577ae9e45a8b4.001.1
Codes: ILC031
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.abb5ee2346d01e4158b00ab0761577ae9e45a8b4.001.1