Lexington Weather

Lexington, Massachusetts, USA

59°F
4/17/2026 2:10pm 
  • Lexington Conditions: Mist, Overcast
  • Temperature: 58.5°F / 14.7°CColder 0.1°F than last hour.
  • Dew Point: 56.5°FIncreased 0.6°Fsince last hour.
  • Relative Humidity: 93%Increased 2.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 2 mph
  • Barometer: 29.86 in Steady
  • Visibility: 6 miles
  • Rain Today: 0.10 in
  •   

Watches, Warnings, and Advisories

Issued by the National Weather Service - Quad Cities, IA/IL

    FLOOD WARNING  

Mercer County, IL

Flood Warning issued April 17 at 11:10AM CDT by NWS Quad Cities IA IL

FLOOD WARNING REMAINS IN EFFECT FROM LATE SUNDAY NIGHT UNTIL FURTHER NOTICE

Areas Affected: Louisa, IA; Muscatine, IA; Mercer, IL; Rock Island, IL

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Friday 11:10am CDT

Alert Effective: Friday 11:10am CDT

Alert Expires: Saturday 11:15am CDT

Event Onset: Monday 1:00am CDT

Issued by: NWS Quad Cities IA IL

Details: 
...FLOOD WARNING REMAINS IN EFFECT FROM LATE SUNDAY NIGHT UNTIL FURTHER NOTICE...

...The Flood Warning is extended for the following rivers in
Illinois...Missouri...

Mississippi River at Gregory Landing affecting Clark and Hancock
Counties.

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

Mississippi River at Muscatine affecting Louisa, Muscatine, Rock
Island and Mercer Counties.

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at Muscatine.

* WHEN...From late Sunday night until further notice.

* IMPACTS...At 18.0 feet, Water affects most of the Riverside Park
parking lot.

* ADDITIONAL DETAILS...
- At 10:15 AM CDT Friday the stage was 14.9 feet and rising.
- Forecast...The river is expected to rise above flood stage
early Monday morning and continue rising to 17.6 feet Friday,
April 24. Additional rises are possible thereafter.
- Flood stage is 16.0 feet.

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

The next statement will be issued by Saturday morning at 1115 AM CDT.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.dbc6add8c6fcf5ccc936f3541083b53d5abdaa45.002.1
Codes: IAC115, IAC139, ILC131, ILC161
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.dbc6add8c6fcf5ccc936f3541083b53d5abdaa45.002.1

 

    FLOOD WARNING  

Mercer County, IL

Flood Warning issued April 17 at 11:10AM CDT by NWS Quad Cities IA IL

FLOOD WARNING NOW IN EFFECT FROM LATE TONIGHT UNTIL FURTHER NOTICE

Areas Affected: Louisa, IA; Mercer, IL

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Friday 11:10am CDT

Alert Effective: Friday 11:10am CDT

Alert Expires: Saturday 11:15am CDT

Event Onset: Saturday 1:00am CDT

Issued by: NWS Quad Cities IA IL

Details: 
...FLOOD WARNING NOW IN EFFECT FROM LATE TONIGHT UNTIL FURTHER NOTICE...

...Forecast flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Illinois...Iowa...

Mississippi River at Keithsburg affecting Louisa, Mercer, Des
Moines and Henderson Counties.

Mississippi River at New Boston LD17 affecting Louisa and Mercer
Counties.

...Forecast flooding changed from Minor to Moderate severity for the
following rivers in Illinois...Iowa...

Mississippi River at Burlington affecting Lee, Des Moines,
Henderson and Hancock Counties.

Mississippi River at Gladstone LD18 affecting Des Moines and
Henderson Counties.

* WHAT...Moderate flooding is forecast.

* WHERE...Mississippi River at New Boston LD17.

* WHEN...From late tonight until further notice.

* IMPACTS...At 18.1 feet, Lock and Dam 17 is closed.

* ADDITIONAL DETAILS...
- At 10:40 AM CDT Friday the stage was 14.8 feet and rising.
- Forecast...The river is expected to rise above flood stage
just after midnight tonight and continue rising to 16.9 feet
Friday, April 24. Additional rises are possible thereafter.
- Flood stage is 15.0 feet.

Information: 
Caution is urged when walking near riverbanks.

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.

The next statement will be issued by Saturday morning at 1115 AM CDT.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.346109c767422e9cf9b4097e7cae2d491f3adc77.002.1
Codes: IAC115, ILC131
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.346109c767422e9cf9b4097e7cae2d491f3adc77.002.1

 

    FLOOD WARNING  

Mercer County, IL

Flood Warning issued April 17 at 11:10AM CDT by NWS Quad Cities IA IL

FLOOD WARNING NOW IN EFFECT FROM THIS MORNING UNTIL FURTHER NOTICE

Areas Affected: Des Moines, IA; Louisa, IA; Henderson, IL; Mercer, IL

Urgency: Expected

Severity: Severe

Certainty: Likely

Alert Sent: Friday 11:10am CDT

Alert Effective: Friday 11:10am CDT

Alert Expires: Saturday 11:15am CDT

Event Onset: Friday 11:10am CDT

Issued by: NWS Quad Cities IA IL

Details: 
...FLOOD WARNING NOW IN EFFECT FROM THIS MORNING UNTIL FURTHER NOTICE...

...Forecast flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Illinois...Iowa...

Mississippi River at Keithsburg affecting Louisa, Mercer, Des
Moines and Henderson Counties.

Mississippi River at New Boston LD17 affecting Louisa and Mercer
Counties.

...Forecast flooding changed from Minor to Moderate severity for the
following rivers in Illinois...Iowa...

Mississippi River at Burlington affecting Lee, Des Moines,
Henderson and Hancock Counties.

Mississippi River at Gladstone LD18 affecting Des Moines and
Henderson Counties.

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

* WHERE...Mississippi River at Keithsburg.

* WHEN...From this morning until further notice.

* IMPACTS...At 16.0 feet, Water is over the campground and boat ramp
in Keithsburg.

* ADDITIONAL DETAILS...
- At 10:30 AM CDT Friday the stage was 14.1 feet and rising.
- Forecast...The river is expected to rise to 16.0 feet Friday,
April 24. Additional rises are possible thereafter.
- Flood stage is 14.0 feet.

Information: 
Caution is urged when walking near riverbanks.

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.

The next statement will be issued by Saturday morning at 1115 AM CDT.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.346109c767422e9cf9b4097e7cae2d491f3adc77.001.1
Codes: IAC057, IAC115, ILC071, ILC131
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.346109c767422e9cf9b4097e7cae2d491f3adc77.001.1

 

    TORNADO WATCH  

Mercer County, IL

Tornado Watch issued April 17 at 12:40PM CDT until April 17 at 8:00PM CDT by NWS Quad Cities IA IL

Areas Affected: Benton, IA; Buchanan, IA; Cedar, IA; Clinton, IA; Delaware, IA; Des Moines, IA; Dubuque, IA; Henry, IA; Iowa, IA; Jackson, IA; Jefferson, IA; Johnson, IA; Jones, IA; Keokuk, IA; Lee, IA; Linn, IA; Louisa, IA; Muscatine, IA; Scott, IA; Van Buren, IA; Washington, IA; Bureau, IL; Carroll, IL; Hancock, IL; Henderson, IL; Henry, IL; Jo Daviess, IL; McDonough, IL; Mercer, IL; Putnam, IL; Rock Island, IL; Stephenson, IL; Warren, IL; Whiteside, IL; Clark, MO; Scotland, MO

Urgency: Future

Severity: Extreme

Certainty: Possible

Alert Sent: Friday 12:40pm CDT

Alert Effective: Friday 12:40pm CDT

Alert Expires: Friday 8:00pm CDT

Event Onset: Friday 12:40pm CDT

Event Ends: Friday 8:00pm CDT

Issued by: NWS Quad Cities IA IL

Details: 
THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 129 IN
EFFECT UNTIL 8 PM CDT THIS EVENING FOR THE FOLLOWING AREAS

IN ILLINOIS THIS WATCH INCLUDES 13 COUNTIES

IN NORTH CENTRAL ILLINOIS

BUREAU                PUTNAM

IN NORTHWEST ILLINOIS

CARROLL               HENRY IL              JO DAVIESS
MERCER                ROCK ISLAND           STEPHENSON
WHITESIDE

IN WEST CENTRAL ILLINOIS

HANCOCK               HENDERSON             MCDONOUGH
WARREN

IN IOWA THIS WATCH INCLUDES 21 COUNTIES

IN EAST CENTRAL IOWA

BENTON                CEDAR                 CLINTON
IOWA                  JACKSON               JOHNSON
JONES                 LINN                  MUSCATINE
SCOTT

IN NORTHEAST IOWA

BUCHANAN              DELAWARE              DUBUQUE

IN SOUTHEAST IOWA

DES MOINES            HENRY IA              JEFFERSON
KEOKUK                LEE                   LOUISA
VAN BUREN             WASHINGTON

IN MISSOURI THIS WATCH INCLUDES 2 COUNTIES

IN NORTHEAST MISSOURI

CLARK                 SCOTLAND

THIS INCLUDES THE CITIES OF ALEDO, ANAMOSA, BETTENDORF,
BURLINGTON, CARTHAGE, CEDAR RAPIDS, CLINTON, CREDIT ISLAND,
DAVENPORT, DUBUQUE, FAIRFIELD, FREEPORT, GALENA, GENESEO,
HENNEPIN, INDEPENDENCE, IOWA CITY, KAHOKA, KEOKUK, KEOSAUQUA,
MACOMB, MANCHESTER, MAQUOKETA, MARENGO, MEMPHIS, MOLINE,
MONMOUTH, MOUNT CARROLL, MOUNT PLEASANT, MUSCATINE, OQUAWKA,
PRINCETON, ROCK ISLAND, SIGOURNEY, STERLING, TIPTON, VINTON,
WAPELLO, AND WASHINGTON.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.51185e212fda4534ea5e10a2b7455095c41e8758.001.1
Codes: IAC011, IAC019, IAC031, IAC045, IAC055, IAC057, IAC061, IAC087, IAC095, IAC097, IAC101, IAC103, IAC105, IAC107, IAC111, IAC113, IAC115, IAC139, IAC163, IAC177, IAC183, ILC011, ILC015, ILC067, ILC071, ILC073, ILC085, ILC109, ILC131, ILC155, ILC161, ILC177, ILC187, ILC195, MOC045, MOC199
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.51185e212fda4534ea5e10a2b7455095c41e8758.001.1