Flash Flood Warning Issued for Northern Marion County, IL
This alert is no longer in effect.
NOAA issued it on July 29, 2026, 3 weeks 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.
NWS St Louis MO has issued a Flash Flood Warning for Northern Marion County in south central Illinois until 8:30 PM CDT on June 21.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Northern Marion County, Illinois
- Issued
- July 29, 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 3 weeks ago; use the issuing agency's live warning service for current conditions in Northern Marion County, Illinois.
Alert Details
Flash Flood Warning issued by NWS St Louis MO. Effective from June 21 at 4:27 PM CDT until June 21 at 8:30 PM CDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Northern Marion County in south central Illinois. Specific locations include Kinmundy, Patoka, Farina, Omega, Stephen Forbes Station, Fairman, Alma, Vernon, and Brubaker. Includes Stephen A. Forbes State Recreation Area, Interstate 57 near exit 127, Flat Creek, Lee Creek, and East Fork Kaskaskia River.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. Hazard is flash flooding caused by thunderstorms.
Timeline
Alert sent and effective at 2026-06-21T16:27:00-05:00. Expires and ends at 2026-06-21T20:30:00-05:00.
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 (1,066 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 29, 2026.
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