Tornado Warning — Knox County, Indiana
A tornado has been sighted or indicated by weather radar. Take shelter immediately in a sturdy building, away from windows.
Current Status
🌪️ Active: Tornado Warning
Tornado Warning issued August 12 at 3:45PM EDT until August 12 at 4:30PM EDT by NWS Indianapolis IN
At 345 PM EDT, a severe thunderstorm capable of producing a tornado was located near Petersburg, moving southeast at 30 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. This tornadic thunderstorm will remain over mainly rural areas of south central Knox County.
Effective August 12, 2026 at 3:45 PM ET · Expires August 12, 2026 at 4:30 PM ET
Event Details
Event Type
Tornado Warning
Severity
extreme
Issued By
NWS Indianapolis IN
Expires
August 12, 2026 at 4:30 PM ET
Last Checked
16 minutes ago
What To Do
📋 Official NWS Guidance
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid 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.
Other Active Alerts in Indiana
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Flash Flood Warning
Severe Thunderstorm Watch
Severe Thunderstorm Warning
Flood Warning
Get Tornado Warning Alerts for Knox County
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Frequently Asked Questions
What does a Tornado Warning mean for Knox County, Indiana?
A tornado has been sighted or indicated by weather radar. Take shelter immediately in a sturdy building, away from windows.
Is this Tornado Warning currently active?
Yes — this alert is active as of our last check (16 minutes ago). It's set to expire August 12, 2026 at 4:30 PM ET.
How do I get notified about Tornado Warning alerts for Knox County?
Download StormCast free on Google Play and set Knox County, Indiana as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.