Lexington Weather

Lexington, Massachusetts, USA

48°F

4/30/2026 10:17am

Lexington Conditions: Light rain, Mist, Overcast
Temperature: 47.7°F / 8.7°C
Dew Point: 46.2°F
Relative Humidity: 95%
Wind: Calm, 10-min avg: Calm, gust: None
Barometer: 29.71 in Falling Slowly
Visibility: 2 miles
Rain Today: 0.10 in

Watches, Warnings, and Advisories

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

FLOOD WARNING

Jersey County, IL

Flood Warning issued April 29 at 9:38PM CDT until May 4 at 10:00PM CDT by NWS St Louis MO

FLOOD WARNING NOW IN EFFECT UNTIL MONDAY EVENING

Areas Affected: Jersey, 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: Wednesday 9:38pm CDT

Event Ends: Monday 10:00pm CDT

Issued by: NWS St Louis MO

Details:

...FLOOD WARNING NOW IN EFFECT UNTIL MONDAY 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 occurring and minor flooding is forecast.

* WHERE...Mississippi River at Grafton.

* WHEN...Until Monday evening.

* IMPACTS...At 22.5 feet, East end of Main Street in Portage des
Sioux begins flooding near this height.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Wednesday the stage was 22.6 feet and nearing a
crest.
- Recent Activity...The river rose above flood stage on April 19.
- Forecast...The river is expected to rise to a crest of 22.7 feet
just after midnight tonight. It will then fall below flood stage
Sunday afternoon.
- Flood stage is 20.0 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:2.49.0.1.840.0.58d38bfdd32528dae75dc06ac74907be66ccb408.004.1
Codes: ILC083, MOC183
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.58d38bfdd32528dae75dc06ac74907be66ccb408.004.1

FLOOD WARNING

Jersey County, IL

Flood Warning issued April 29 at 8:40PM 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: Wednesday 8:40pm CDT

Alert Effective: Wednesday 8:40pm CDT

Alert Expires: Friday 8:45am CDT

Event Onset: Wednesday 8:40pm 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 Valley City.

Illinois River at Hardin.

Illinois River at Meredosia.

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.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Wednesday the stage was 28.3 feet and rising.
- Recent Activity...The river first rose above flood stage on April
18.
- Forecast...The river is expected to rise to a crest of 29.2 feet
Friday morning.
- Flood stage is 25.0 feet.

Information:

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.c774a866e64c728d6176cd4609c9a7031052306c.002.1
Codes: ILC013, ILC061, ILC083
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c774a866e64c728d6176cd4609c9a7031052306c.002.1