Lexington Weather

Lexington, Massachusetts, USA

47°F
4/30/2026 9:12am 
  • Lexington Conditions: Mist, Overcast
  • Temperature: 47.1°F / 8.4°CWarmer 0.5°F than last hour.
  • Dew Point: 45.7°FIncreased 0.7°Fsince last hour.
  • Relative Humidity: 95%Increased 1.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.73 in Steady
  • Visibility: 5 miles
  • Rain Today: 0.05 in
  •   

Flood Warning

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

    FLOOD WARNING  

Madison County, IL; St. Charles County, MO

Flood Warning issued April 29 at 9:38PM CDT until May 2 at 10:00PM CDT by NWS St Louis MO

FLOOD WARNING NOW IN EFFECT FROM LATE TONIGHT TO SATURDAY EVENING

Areas Affected: Madison, IL; St. Charles, 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: Thursday 1:00am CDT

Event Ends: Saturday 10:00pm CDT

Issued by: NWS St Louis MO

Details: 
...FLOOD WARNING NOW IN EFFECT FROM LATE TONIGHT TO SATURDAY 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 at Alton.

* WHEN...From late tonight to Saturday evening.

* IMPACTS...At 21.7 feet, At this level, Highway 94 and the east end
of Harbor Point Road off of Missouri Highway 94 north of West Alton
begin flooding.  Also, the access road the Lincoln Shields
recreation area off of U.S. Highway 367 just west of the Clark
bridge begins flooding.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Wednesday the stage was 20.8 feet and rising.
- Forecast...The river is expected to rise above flood stage just
after midnight tonight to a crest of 21.4 feet early tomorrow
afternoon. It will then fall below flood stage Friday afternoon.
- Flood stage is 21.0 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:2.49.0.1.840.0.58d38bfdd32528dae75dc06ac74907be66ccb408.005.1
Codes: ILC119, MOC183
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.58d38bfdd32528dae75dc06ac74907be66ccb408.005.1