Lexington Weather

Lexington, Massachusetts, USA

55°F
9/22/2026 6:30am 
  • Lexington Conditions: Mostly cloudy
  • Temperature: 54.5°F / 12.5°CWarmer 0.4°F than last hour.
  • Dew Point: 49.8°FIncreased 1.4°Fsince last hour.
  • Relative Humidity: 84%Increased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 30.25 inRising 0.02 inHg/hr Rising Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Watches, Warnings, and Advisories

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

    FLOOD WARNING  

Flood Warning issued September 21 at 9:48PM CDT until September 28 at 12:00PM CDT by NWS St Louis MO

FLOOD WARNING NOW IN EFFECT FROM WEDNESDAY AFTERNOON TO MONDAY AFTERNOON

Areas Affected: Calhoun, IL; Pike, MO

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Monday 9:48pm CDT

Alert Effective: Monday 9:48pm CDT

Alert Expires: Wednesday 10:00am CDT (expect updated alert by this time)

Event Onset: Wednesday 4:00pm CDT

Event Ends: Monday 12:00pm CDT

Issued by: NWS St Louis MO

Details: 
...FLOOD WARNING NOW IN EFFECT FROM WEDNESDAY AFTERNOON TO MONDAY AFTERNOON...

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

Mississippi River at Clarksville.

Mississippi River at Saverton.

Mississippi River at Canton.

Mississippi River at Winfield.

Mississippi River at Hannibal.

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

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at Clarksville.

* WHEN...From Wednesday afternoon to Monday afternoon.

* IMPACTS...At 27.2 feet, Silo Park just northwest of Clarksville off
Highway 79 begins flooding.

* ADDITIONAL DETAILS...
- At 9:30 PM CDT Monday the stage was 21.9 feet and rising.
- Forecast...The river is expected to rise above flood stage
Wednesday afternoon to a crest of 26.8 feet early Friday
afternoon. It will then fall below flood stage Sunday morning.
- Flood stage is 25.0 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:2.49.0.1.840.0.05e7edfc5f88abfad026f7bceca55b91d6c46d80.001.1
Codes: ILC013, MOC163
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.05e7edfc5f88abfad026f7bceca55b91d6c46d80.001.1