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Flood Warning
◍ Cass, IL · USA · updated 8/21/2026, 2:44:00 PM
⏱ In effect until 9:45 PM UTC-5
Severity score
65/100
Confidence
High
Why this matters
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Beardstown affecting Cass, Brown, Morgan and Schuyler Counties. Illinois River near Havana affecting Fulton, Cass and Mason Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding i
Key stats
Severity
Severe
Certainty
Observed
Urgency
Immediate
Timeline
- Flood Warning8/21/2026, 2:44:00 PMFlood Warning issued August 21 at 9:44AM CDT by NWS Lincoln IL
Sources & attribution
OfficialNWS NWS Lincoln ILupdated 8/21/2026, 2:44:00 PM
OfficialNWS NWS Lincoln ILupdated 8/21/2026, 2:44:00 PM
⚠This is an informational severity score, not an official warning. Follow guidance from NWS/NOAA, FEMA (ready.gov), and local emergency management.