Lexington Weather

Lexington, Massachusetts, USA

49°F
4/30/2026 12:10pm 
  • Lexington Conditions: Light rain, Mist, Overcast
  • Temperature: 48.7°F / 9.3°CWarmer 0.3°F than last hour.
  • Dew Point: 47.3°FIncreased 0.4°Fsince last hour.
  • Relative Humidity: 95% 
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.70 in Steady
  • Visibility: 3 miles
  • Rain Today: 0.22 in
  •   

Flood Warning

Issued by the National Weather Service - St. Louis, MO

    FLOOD WARNING  

Monroe County, IL

Flood Warning issued April 29 at 9:38PM CDT until May 3 at 10:36PM CDT by NWS St Louis MO

FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY EVENING

Areas Affected: Monroe, IL; Jefferson, MO

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Wednesday 9:38pm CDT

Alert Effective: Wednesday 9:38pm CDT

Alert Expires: Friday 9:45am CDT (expect updated alert by this time)

Event Onset: Wednesday 9:38pm CDT

Event Ends: Sunday 10:36pm CDT

Issued by: NWS St Louis MO

Details: 
...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY EVENING...

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

Mississippi River near Herculaneum.

Mississippi River at Mel Price LD.

Mississippi River at Chester.

Mississippi River at Grafton.

Mississippi River at Alton.

Mississippi River at St. Louis.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River near Herculaneum.

* WHEN...Until Sunday evening.

* IMPACTS...At 28.3 feet, Near this height, the walking trail
(extension of Station Road) at Bates Memorial Park begins flooding.

* ADDITIONAL DETAILS...
- At 8:30 PM CDT Wednesday the stage was 25.7 feet and rising.
- Forecast...The river is expected to rise above flood stage just
after midnight tonight to a crest of 27.6 feet early Friday
morning. It will then fall below flood stage Saturday afternoon.
- Flood stage is 26.0 feet.

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

This product, along with additional weather and stream information,
is available at https://water.noaa.gov/wfo/lsx

Meta data: 
ID: urn:oid:2.49.0.1.840.0.58d38bfdd32528dae75dc06ac74907be66ccb408.001.1
Codes: ILC133
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.58d38bfdd32528dae75dc06ac74907be66ccb408.001.1