Recent Major Storm Days in Indiana

Published 2026-07-20 · Updated 2026-07-20

Indiana frequently experiences severe weather, and understanding past storm events is crucial for homeowners, contractors, and insurance professionals. StormAuditor provides historical weather insights for significant storm days across the state.

Recent Major Storm Days and Historical Weather in Indiana

Indiana, situated in the heart of the Midwest, is no stranger to severe weather, experiencing a range of powerful storms annually. From widespread damaging wind events to hailstorms capable of causing significant property damage, understanding the historical context of these events is key to accurate date-of-loss research and property assessments.

What Constitutes a Major Storm Day in Indiana?

For historical weather research purposes, a "major storm day" in Indiana often involves widespread reports of severe conditions, which the National Weather Service (NWS) defines as hail 1.00 inch (quarter size) or larger, wind gusts of 58 mph (50 kt) or greater, or a tornado. "Significant severe" events include hail 2.00 inches (hen egg) or larger, wind gusts of 75 mph or greater, or EF2+ tornadoes.

These severe weather events can lead to substantial property damage. For example, asphalt shingles typically begin to show functional damage from hail impacts around 1.00–1.25 inches. Wind gusts exceeding 70 mph are often considered damaging, with widespread shingle blow-off becoming common above 75–85 mph for older 3-tab shingles and greater than 90–100 mph for newer architectural shingles. StormAuditor synthesizes data from multiple sources to help delineate these historical storm impacts.

How StormAuditor Measures Past Weather Events in Indiana

StormAuditor utilizes a robust methodology to provide detailed historical weather insights for Indiana properties. For wind events, our SAWE-2.9 (Storm Auditor Wind Estimate v2.9) methodology constructs a station-consistent background wind field, integrating data from HRRR and daily peak gusts. This is then refined using a two-pass objective analysis against ASOS/AWOS measured gusts and NWS Local Storm Reports (LSRs) that include measured wind qualifiers. This approach helps to estimate wind speeds at specific locations.

For hail events, StormAuditor's SAHE-2 (Storm Auditor Hail Estimate v2) primarily uses Maximum Estimated Size of Hail (MESH) data from MRMS radar products. This provides highly granular hail swaths with per-pixel size estimates for areas that intersect a property. These radar estimates are backed by human-observed SPC storm reports and NWS severe thunderstorm warnings. It's important to remember that "at location" data means the property falls within the warning polygon or hail swath (with a 0.25-mile buffer).

How to Research a Date of Loss in Indiana

If you need to investigate weather conditions for a specific date at an Indiana address, StormAuditor offers powerful tools:

  • Property-Level Reports: Use our /address-lookup tool to get a detailed historical weather report for any address, including historical wind and hail data, and NOAA warning information.
  • Date-of-Loss Research: For comprehensive investigations, our /date-of-loss-weather-research workflow guides you through the process of compiling historical weather evidence.
  • General Weather on a Date: To see broader weather patterns for a specific date across Indiana, visit our /weather-on-this-date page.

These tools provide you with the data needed to understand the severe weather context for your date of loss.

Recent Notable Storm Days in Indiana

The following dates represent recent days with notable storm reports in Indiana, highlighting either damaging wind or hail activity. These entries are derived from official storm reports and provide examples of severe weather events across the state:

  • July 18, 2026 — TSTM WND DMG in Harrison, Montgomery counties.
  • July 10, 2026 — TSTM WND DMG in Spencer County.
  • July 09, 2026 — TSTM WND GST (50 mph) in Porter County.
  • July 05, 2026 — TSTM WND DMG in Wayne, Ohio counties.
  • July 04, 2026 — TSTM WND DMG in Parke, Lake, Posey counties.
  • July 03, 2026 — TSTM WND GST (60 mph) in Madison County.

_Note: Counties are inferred from city locations of storm reports and may represent general areas of activity._

Practical Guidance for Indiana Residents and Professionals

Understanding historical storm events like those described above is vital. For homeowners, this knowledge can help contextualize property damage and assist in documenting claims. For contractors and adjusters, accurate historical weather data is foundational for assessing damage causation and scope. Attorneys can leverage this information to build strong cases related to property claims.

Remember, while StormAuditor provides comprehensive weather estimates, these do not replace professional on-site inspections. Our data helps establish the likelihood of severe weather conditions at a specific location and time, assisting qualified inspectors and engineers in their damage assessments.

Limitations

While StormAuditor provides best-in-class historical weather estimates, it's important to acknowledge inherent limitations. Radar-derived hail estimates (MESH) can sometimes under-estimate wet hail or over-estimate in very high reflectivity cores. Similarly, ground-based weather stations, while crucial, are spaced miles apart and can miss localized microbursts, meaning actual peak gusts between stations might exceed reported values. Furthermore, properties within a warning polygon were under a warning for severe weather but did not necessarily experience the maximum reported conditions. StormAuditor provides objective data for contextualizing events but does not offer legal, insurance, or engineering advice, nor does it claim to prove damage causation. For more detailed information on our methodologies and limitations, please visit our /methodology/wind and /methodology/hail pages.

Related StormAuditor Tools

FAQ

When was the last major hail storm in Indiana?

Based on recent data, severe weather, including damaging wind events, has occurred as recently as July 2026 in various Indiana counties. For specific hail events at your location, use the StormAuditor /address-lookup tool.

How do I find storm history for my Indiana address?

You can easily find storm history for any Indiana address by entering it into StormAuditor's /address-lookup tool. This will provide a detailed report of historical wind, hail, and warning data for that specific location.

What size hail causes damage to roofs in Indiana?

Asphalt shingles typically begin to show functional damage from hail impacts around 1.00 to 1.25 inches in diameter (quarter to half-dollar size). Softer or older shingles may show bruising from smaller impacts. Window and skylight breakage can become common with hail 1.75 inches (golf ball) or larger.

What wind speeds are considered damaging for homes in Indiana?

Wind gusts of 58 mph (50 knots) or higher are considered severe by the NWS. Wind speeds above 70 mph can cause widespread damage, with shingle uplift and blow-off becoming common for older roofing at 75-85 mph and for newer architectural shingles at 90-100 mph.

Can StormAuditor help with insurance claims in Indiana?

StormAuditor provides objective, historical weather data that can contextualize conditions on a specific date of loss, assisting homeowners, contractors, adjusters, and attorneys in their assessments. While we don't offer legal or insurance advice, our data can be a valuable tool for understanding the weather events that occurred.

Where does StormAuditor get its weather data for Indiana?

StormAuditor compiles data from authoritative sources such as the NWS/NOAA for severe weather warnings, SPC for storm reports, IEM for archived data, NCEI for event databases, MRMS MESH for radar-derived hail, and NOAA ASOS/AWOS stations for wind observations. For a complete list, visit our /data-sources page.