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Ended official alertUpdated

Flash Flood Warning for La Salle, IL

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Applies to
La Salle
Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

At 1249 AM CDT, Doppler radar and automated rain gauges indicated that heavy rainfall had moved out of the area. Up to 3 inches of rainfall occurred due to earlier thunderstorms near Earlville and Ottawa. Some streams will likely continue to rise over the next few hours, and standing water may be slow to recede in...

What the bulletin says to do

A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property.

Read official NWS bulletin

Full official description

Bulletin details

At 1249 AM CDT, Doppler radar and automated rain gauges indicated that heavy rainfall had moved out of the area. Up to 3 inches of rainfall occurred due to earlier thunderstorms near Earlville and Ottawa. Some streams will likely continue to rise over the next few hours, and standing water may be slow to recede in some areas. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. Some locations that will experience flash flooding include... Ottawa, Marseilles, Sheridan, Seneca, Earlville, Serena, Dayton, Wedron, Harding, Prairie Center, Norway and Triumph.

Lifecycle record

Official revisions

2 captured
  1. Update

    Flash Flood Warning issued August 10 at 12:49AM CDT until August 10 at 4:00AM CDT by NWS Chicago IL

    Official revision
  2. Alert

    Flash Flood Warning issued August 10 at 12:01AM CDT until August 10 at 4:00AM 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
Update
Last collected
Methodology and corrections