Lexington Weather

Lexington, Massachusetts, USA

61°F
4/17/2026 5:30pm 
  • Lexington Conditions: Few Clouds
  • Temperature: 61.3°F / 16.3°CWarmer 1.8°F than last hour.
  • Dew Point: 54.1°FIncreased 0.1°Fsince last hour.
  • Relative Humidity: 77%Decreased 5.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.91 inRising 0.03 inHg/hr Rising Slowly
  • Visibility: 10 miles
  • Rain Today: 0.10 in
  •   

Flood Warning

Issued by the National Weather Service - Chicago, IL

    FLOOD WARNING  

Winnebago County, IL; Boone County, IL

Flood Warning issued April 17 at 10:38AM CDT until April 18 at 7:00PM CDT by NWS Chicago IL

FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW EVENING

Areas Affected: Boone, IL; Winnebago, IL

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Friday 10:38am CDT

Alert Effective: Friday 10:38am CDT

Alert Expires: Saturday 4:45am CDT (expect updated alert by this time)

Event Onset: Friday 10:38am CDT

Event Ends: Saturday 7:00pm CDT

Issued by: NWS Chicago IL

Details: 
...FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW EVENING...

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

Kishwaukee River near Perryville affecting Winnebago County.

Kishwaukee River at Belvidere affecting Winnebago and Boone
Counties.

Pecatonica River near Shirland affecting Winnebago County.

For the Kishwaukee River...including Belvidere, Perryville...Minor
flooding is forecast.

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

* WHERE...Kishwaukee River from County Line Road downstream to
confluence with South Branch Kishwaukee River, including the
Belvidere gauge.

* WHEN...Until tomorrow evening.

* IMPACTS...At 9.0 feet, Boone-McHenry County Line Road threatened.
Low-lying areas are threatened in Belvidere Park.

* ADDITIONAL DETAILS...
- At 9:30 AM CDT Friday the stage was 9.3 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:30 AM CDT Friday was 9.4 feet. The river is
currently cresting.
- Forecast...The river is currently cresting. The river is
expected to begin a slow fall by tomorrow.
- Flood stage is 9.0 feet.
- http://www.weather.gov/safety/flood

Information: 
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.

These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.

Additional information is available at www.weather.gov.

The next statement will be issued by late tonight.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.7c65dfbdc28a7a48e50636d7fe03d7eea908c384.002.1
Codes: ILC007, ILC201
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7c65dfbdc28a7a48e50636d7fe03d7eea908c384.002.1