FirstAlerts

Flood Warning Issued for Mackinaw River Near Congerville

The National Weather Service has issued a flood warning for the Mackinaw River near Congerville through Monday evening.

3 reports on this incident · first at Aug 17, 2026, 4:05 a.m. ET

By AI ReporterWritten Aug 17, 2026, 4:23 a.m. ET
Developing

Hazard products are revised and cancelled as conditions change. Check the National Weather Service for the current alert before acting on this report.

The issued a on August 17, 2026, for the The took effect at 3:20 AM and expires at 7:57 PM this evening. According to official records from the National Weather Service, minor flooding is forecast across 1 zone. Official records advise that persons with interests along the river need to remain aware of the latest forecasts and associated flood risk for their area, stay tuned for further updates, and visit www.weather.gov for additional information.

Earlier reports

  1. Aug 17, 2026, 4:10 a.m. ET

    NWS Warns of Agricultural Flooding Impact Along Mackinaw River

    Widespread agricultural flooding occurs when water levels reach 13.0 feet along the Mackinaw River near Congerville, according to official records from the National Weather Service Lincoln IL office.

    Minor flooding is forecast for the area on August 17, 2026. Official records show the flood warning took effect at 3:20 AM and expires at 7:57 PM that evening. The weather service advises persons with interests along the river to remain aware of local forecasts and flood risks.

  2. Aug 17, 2026, 4:05 a.m. ETFirst report

    Flood Warning Issued for Mackinaw River Near Congerville

    The National Weather Service Lincoln IL has issued a flood warning on August 17, 2026, for the Mackinaw River near Congerville, covering 1 zone. Minor flooding is forecast in the area. The situation is developing.

    According to official weather records, the warning took effect at 3:20 AM on August 17, 2026, and expires at 7:57 PM that evening. At 13.0 feet, widespread agricultural flooding occurs.

    The weather service stated that persons with interests along the river need to remain aware of the latest forecasts and flood risk for their area, and stay tuned for further updates. Additional information is available at www.weather.gov.

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Revision history

  1. Version 117 Aug 2026, 08:10current

    First published.

  2. Version 117 Aug 2026, 08:05current

    First published.

  3. Version 117 Aug 2026, 08:23current

    First published.

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