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Active official alertUpdated

Flood Advisory for De Kalb, IL; Grundy, IL; Kendall, IL +2 more

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Minor
Official urgency
Expected
Official certainty
Likely

What is happening

What: Flooding caused by excessive rainfall is expected. Impacts: Roads and streets may be flooded. Where: Northern Livingston County in central Illinois... Southeastern De Kalb County in north central Illinois... Northeastern La Salle County in north central Illinois... Grundy County in northeastern Illinois......

What the bulletin says to do

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters.

Full official description

Bulletin details

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northern Livingston County in central Illinois... Southeastern De Kalb County in north central Illinois... Northeastern La Salle County in north central Illinois... Grundy County in northeastern Illinois... Kendall County in northeastern Illinois... * WHEN...Until 100 PM CDT. * IMPACTS...Roads and streets may be flooded. * ADDITIONAL DETAILS... At 906 AM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms with rainfall rates of 1 to 2 inches per hour moving into an area with high soil moisture due to recent rainfall. Minor flooding may begin shortly after the onset of rainfall. Some locations that will experience flooding include... Oswego, Ottawa, Yorkville, Streator, Morris, Channahon, Minooka, Plano, Sandwich, Coal City, Marseilles, Dwight, Sheridan, Montgomery, Boulder Hill and Lake Holiday. http://www.weather.gov/safety/flood

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Flood Advisory issued August 12 at 9:06AM CDT until August 12 at 1:00PM CDT by NWS Chicago IL

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Chicago IL. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections