Severe Thunderstorm Warning for Northwestern Marion County, IL
This alert is no longer in effect.
NOAA issued it on May 24, 2026, 3 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.
NWS St Louis MO has issued a Severe Thunderstorm Warning for northwestern Marion County in south central Illinois until 4:15 PM CDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northwestern Marion County, Illinois
- Issued
- May 24, 2026
- Issuing authority
- NWS St Louis MO
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Northwestern Marion County, Illinois.
Alert Details
Severe Thunderstorm Warning issued by NWS St Louis MO. Effective from 2026-05-16T15:36:00-05:00 until 2026-05-16T16:15:00-05:00. Severity: Severe. Certainty: Observed. Urgency: Immediate.
Affected Areas
Northwestern Marion County in south central Illinois. Locations impacted include Patoka and Vernon. Storm was located over Patoka, or 12 miles northwest of Salem, at 3:36 PM CDT.
What You Should Do
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure.
Expected Conditions
At 3:36 PM CDT, a severe thunderstorm was located over Patoka moving east at 15 mph. Hazards include 60 mph wind gusts and quarter size hail (1.00 inch). Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
Timeline
Alert effective May 16 at 3:36 PM CDT until May 16 at 4:15 PM CDT. Storm will be near Patoka around 3:40 PM CDT.
Original source: NOAA Official Notice ↗
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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 (1,100 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 24, 2026.
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