Flood Warning Issued for Calhoun, Greene, and Jersey Counties in Illinois
This alert is no longer in effect.
NOAA issued it on April 16, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
The National Weather Service has issued a Flood Warning for Calhoun, Greene, and Jersey counties in Illinois, with minor flooding expected on the Illinois River at Hardin starting Friday afternoon.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Western Illinois
- Issued
- April 16, 2026
- Issuing authority
- NWS St Louis MO
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Western Illinois.
Alert Details
A Flood Warning has been issued by the National Weather Service (NWS) St Louis MO. This alert is for minor flooding and is effective from April 16, 2026.
Affected Areas
The warning affects Calhoun, IL; Greene, IL; and Jersey, IL, specifically impacting the Illinois River at Hardin.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Minor flooding is forecast, with the river stage expected to rise above 25.0 feet (flood stage) to 25.2 feet. At 25.0 feet, lowland flooding of unprotected agricultural land begins. River forecasts are based on observed and forecast precipitation for the next 24 hours.
Timeline
The alert takes effect from Friday afternoon, April 17, 2026, at 1:00 PM CDT, and expires on April 18, 2026, at 12:00 AM CDT, though it remains in effect until further notice.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (904 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 16, 2026.
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