Tornado Warning Issued for Knox, Lewis, and Shelby Counties in Missouri
This alert is no longer in effect.
NOAA issued it on April 24, 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.
A Tornado Warning is in effect for Knox, Lewis, and Shelby counties in northeastern Missouri until 5:45 PM CDT, with radar indicating a possible tornado and quarter-size hail.
Read this weather record in 30 seconds
- Record type
- Tornado Warning
- Affected area
- Northeastern Missouri
- Issued
- April 24, 2026
- Issuing authority
- NWS St Louis MO
Tornado warnings are short-window notices for the named area. The issuing office is the authority on whether the warning remains active or has been replaced.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Northeastern Missouri.
Alert Details
A Tornado Warning has been issued by the National Weather Service (NWS) St Louis MO. This alert is effective from 5:03 PM CDT on April 17, 2026, until 5:45 PM CDT.
Affected Areas
The warning affects Knox County, Lewis County, and Shelby County in northeastern Missouri. Specific locations include Plevna, Steffenville, La Belle, Bethel, Newark, and Monticello.
What You Should Do
Move to an interior room on the lowest floor of a well-built building away from windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.
Expected Conditions
Hazards include a tornado and quarter size hail (1.00 inch). The source is radar indicated rotation, which may cause flying debris, damage to mobile homes, roofs, windows, vehicles, and trees.
Timeline
The alert is effective from 5:03 PM CDT on April 17, 2026, and ends at 5:45 PM CDT on the same day.
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 (960 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 24, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.