Weather Alerts for Chicago IL

Issued by the National Weather Service

       Flood Warning      

Flood Warning  FLOOD WARNING   Flood Warning
CHICAGO IL

Areas Affected:
Cook, IL
Effective: Wed, 8/12 8:53pm Updated: Thu, 8/13 12:05pm Urgency: Immediate
Expires: Thu, 8/13 2:00pm Severity:  Severe  Certainty: Observed

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

Thorn Creek at Thornton affecting Cook County.

For the Thorn Creek...including Thornton...Minor flooding is
forecast.

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

* WHERE...Thorn Creek from Near Glenwood downstream to confluence
with Little Calumet River, including the Thornton gauge.

* WHEN...Until Thursday afternoon.

* IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn
Creek Diversion Tunnel.

* ADDITIONAL DETAILS...
- At 9:30 PM CDT Wednesday the stage was 9.4 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 9:30 PM CDT Wednesday was 10.6 feet.
- Forecast...The river has crested and is expected to gradually
fall overnight. It will fall below flood stage late tomorrow
morning.
- 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 Thursday afternoon.

Flood Watch  FLOOD WATCH   Flood Watch
CHICAGO IL

Areas Affected:
Knox - Stark - Peoria - Marshall - Woodford - Tazewell - McLean - Champaign - Vermilion
Effective: Thu, 8/13 8:39am Updated: Thu, 8/13 12:05pm Urgency: Future
Expires: Thu, 8/13 4:45pm Severity:  Severe  Certainty: Possible

 
Details:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Areas along and north of the I-74 corridor, including the
following counties, in central Illinois, Marshall, McLean, Peoria,
Stark, Tazewell and Woodford. In east central Illinois, Champaign
and Vermilion. In west central Illinois, Knox.

* WHEN...Through Friday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
- Multiple rounds of moderate to heavy rain will push across
portions of central Illinois through midday Friday.  Recent
ensemble forecast guidance supports 1 to 2 inches of rain
across the watch area, with localized amounts exceeding 4
inches.

Information:
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.