Severe Thunderstorm Warning Issued for Central Indiana Counties
This alert is no longer in effect.
NOAA issued it on August 20, 2026, 3 days 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 Indianapolis has issued a Severe Thunderstorm Warning for nine Indiana counties until 2:45 AM EDT, with 60 mph winds and penny-size hail observed.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Central Indiana
- Issued
- August 20, 2026
- Issuing authority
- NWS Indianapolis IN
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 days ago; use the issuing agency's live warning service for current conditions in Central Indiana.
Alert Details
Severe Thunderstorm Warning issued by NWS Indianapolis IN. Effective from August 20, 2026 at 2:09 AM EDT until August 20, 2026 at 2:45 AM EDT. Alert level: Severe. Certainty: Observed. Urgency: Immediate.
Affected Areas
Counties: Brown, Greene, Hendricks, Johnson, Lawrence, Marion, Monroe, Morgan, Owen in Indiana. Specific areas include Monroe County, Morgan County, Brown County, Johnson County, southeastern Hendricks County, southeastern Owen County, southern Marion County, northeastern Greene County, and northwestern Lawrence County. Locations impacted: Indianapolis, Bloomington, Greenwood, Franklin, Martinsville, Mooresville, Bloomfield, Southport, Nashville, Ellettsville, New Whiteland, Whiteland, Bargersville, Brooklyn, Worthington, Princes Lakes, Trafalgar, Monrovia, Morgantown, and Gosport. Highways: Interstate 65 between mile markers 93 and 104; Interstate 70 between mile markers 58 and 63.
What You Should Do
Remain alert for a possible tornado. Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado, go at once into the basement or small central room in a sturdy structure. For protection, move to an interior room on the lowest floor of a building.
Expected Conditions
At 2:09 AM EDT, a severe thunderstorm was located 8 miles north of Bloomington, moving east at 45 mph. Hazards include 60 mph wind gusts and penny size hail (0.75 inch). Radar indicated. Expect damage to roofs, siding, and trees.
Timeline
Alert effective August 20, 2026 at 2:09 AM EDT. Expires and ends at 2:45 AM EDT.
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 (1,570 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 20, 2026.
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