Lexington Weather

Lexington, Massachusetts, USA

50°F

4/19/2026 12:50pm

Lexington Conditions: Overcast
Temperature: 50.2°F / 10.1°C
Dew Point: 49.1°F
Relative Humidity: 96%
Wind: Calm, 10-min avg: Calm, gust: None
Barometer: 29.68 in Steady
Visibility: 10 miles
Rain Today: 0.02 in

Watches, Warnings, and Advisories

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

FLOOD WARNING

Calhoun County, IL

Flood Warning issued April 19 at 11:38AM CDT by NWS St Louis MO

FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE

Areas Affected: Calhoun, IL; Lincoln, MO

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Sunday 11:38am CDT

Alert Effective: Sunday 11:38am CDT

Alert Expires: Monday 11:45pm CDT

Event Onset: Sunday 11:38am CDT

Issued by: NWS St Louis MO

Details:

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

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

Mississippi River at Lock & Dam 21.

Mississippi River at Canton.

Mississippi River at Saverton.

Mississippi River at Winfield.

Mississippi River at Hannibal.

Mississippi River at Clarksville.

Mississippi River at Louisiana.

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

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

* WHERE...Mississippi River at Winfield.

* WHEN...Until further notice.

* IMPACTS...At 28.6 feet, Water begins covering Highway C about a
half mile south of Highway B in St. Charles County.

* ADDITIONAL DETAILS...
- At 11:00 AM CDT Sunday the stage was 27.4 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 11:00 AM CDT Sunday was 27.4 feet.
- Forecast...The river is expected to rise to a crest of 28.8 feet
early Tuesday morning.
- Flood stage is 26.0 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.

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

Meta data:

ID: urn:oid:2.49.0.1.840.0.1b8269730a2f2bad460eff44fee34f77e7614e92.004.1
Codes: ILC013, MOC113
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1b8269730a2f2bad460eff44fee34f77e7614e92.004.1

FLOOD WARNING

Calhoun County, IL

Flood Warning issued April 19 at 11:38AM CDT by NWS St Louis MO

FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE

Areas Affected: Calhoun, IL; Pike, MO

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Sunday 11:38am CDT

Alert Effective: Sunday 11:38am CDT

Alert Expires: Monday 11:45pm CDT

Event Onset: Sunday 11:38am CDT

Issued by: NWS St Louis MO

Details:

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

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

Mississippi River at Lock & Dam 21.

Mississippi River at Canton.

Mississippi River at Saverton.

Mississippi River at Winfield.

Mississippi River at Hannibal.

Mississippi River at Clarksville.

Mississippi River at Louisiana.

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

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

* WHERE...Mississippi River at Clarksville.

* WHEN...Until further notice.

* IMPACTS...At 29.0 feet, Water enters the parking lot entrance at
the Clarksville Riverfront Park.

* ADDITIONAL DETAILS...
- At 11:00 AM CDT Sunday the stage was 28.0 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 11:00 AM CDT Sunday was 28.0 feet.
- Forecast...The river is expected to rise to a crest of 28.5 feet
just after midnight tonight.
- Flood stage is 25.0 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.

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

Meta data:

ID: urn:oid:2.49.0.1.840.0.1b8269730a2f2bad460eff44fee34f77e7614e92.006.1
Codes: ILC013, MOC163
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1b8269730a2f2bad460eff44fee34f77e7614e92.006.1

FLOOD WARNING

Calhoun County, IL

Flood Warning issued April 19 at 11:22AM CDT by NWS St Louis MO

FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE

Areas Affected: Calhoun, IL; Greene, IL; Jersey, IL

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Sunday 11:22am CDT

Alert Effective: Sunday 11:22am CDT

Alert Expires: Monday 11:30pm CDT

Event Onset: Sunday 11:22am CDT

Issued by: NWS St Louis MO

Details:

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

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

Illinois River at Hardin.

...The Flood Warning is cancelled for the following rivers in
Missouri...

Moreau River near Jefferson City.

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

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

* WHERE...Illinois River at Hardin.

* WHEN...Until further notice.

* IMPACTS...At 25.0 feet, Flood Stage.  Lowland flooding of
unprotected agricultural land begins.

* ADDITIONAL DETAILS...
- At 11:00 AM CDT Sunday the stage was 25.5 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 11:00 AM CDT Sunday was 25.5 feet.
- Forecast...The river is expected to rise to a crest of 26.9 feet
early Wednesday morning.
- Flood stage is 25.0 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.

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.d5dc5102ba65d82a29e28e3bf08decba86c10e7e.002.1
Codes: ILC013, ILC061, ILC083
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d5dc5102ba65d82a29e28e3bf08decba86c10e7e.002.1