National Weather ServiceIndianaSevere Thunderstorm WarningArchive to October 1, 2026
Severe Thunderstorm Warnings in Indiana
The National Weather Service issued 552 severe thunderstorm warnings for Indiana in 2025 and 448 a year on average in 2008-2025; in 2021-2025 it had the 26th most of any state. 2026 through September: 872, 105% above the average of 425 for those months in 2008-2025. Harrison was covered most often (531 times since 2008).
How many severe thunderstorm warnings does Indiana get?
Every severe thunderstorm warning that covered part of Indiana. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 872 |
| 2025 | 552 |
| 2024 | 413 |
| 2023 | 538 |
| 2022 | 358 |
| 2021 | 290 |
| 2020 | 325 |
| 2019 | 484 |
| 2018 | 305 |
| 2017 | 465 |
| 2016 | 388 |
| 2015 | 419 |
| 2014 | 385 |
| 2013 | 367 |
| 2012 | 670 |
| 2011 | 769 |
| 2010 | 464 |
| 2009 | 324 |
| 2008 | 543 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Indiana get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Indiana?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Harrison | 531 | 142 | August 16, 2026 |
| Putnam | 411 | 123 | August 26, 2026 |
| Marion | 409 | 121 | September 16, 2026 |
| Perry | 409 | 117 | August 17, 2026 |
| Montgomery | 408 | 109 | August 16, 2026 |
| Morgan | 403 | 134 | September 16, 2026 |
| Crawford | 402 | 112 | August 17, 2026 |
| Hendricks | 398 | 115 | September 5, 2026 |
| Parke | 397 | 103 | August 20, 2026 |
| Clark | 385 | 95 | August 27, 2026 |
| Shelby | 383 | 117 | September 4, 2026 |
| Greene | 370 | 111 | August 27, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
The latest severe thunderstorm warnings for Indiana in AreaZine's record
NWS IndianapolisWarningSeptember 18, 2026
Severe Thunderstorm Warning: Daviess and Knox, IN
Expired 6:00 p.m. EDT, September 18, 2026
NWS WilmingtonWarningSeptember 5, 2026
Severe Thunderstorm Warning: Switzerland, Boone, Gallatin and 2 more, IN and KY
Expired 9:45 p.m. EDT, September 5, 2026
NWS Northern IndianaWarningSeptember 5, 2026
Severe Thunderstorm Warning: Adams and Van Wert, IN and OH
Expired 7:00 a.m. EDT, September 5, 2026
NWS Northern IndianaWarningSeptember 5, 2026
Severe Thunderstorm Warning: Lagrange, Branch and St. Joseph, IN and MI
Expired 2:15 a.m. EDT, September 5, 2026
NWS WilmingtonWarningSeptember 4, 2026
Severe Thunderstorm Warning: Dearborn, Franklin and Ripley, IN
Expired 5:15 p.m. EDT, September 4, 2026
NWS WilmingtonWarningSeptember 4, 2026
Severe Thunderstorm Warning: Union, Wayne, Butler and 1 more, IN and OH
Expired 5:15 p.m. EDT, September 4, 2026
NWS Northern IndianaWarningSeptember 3, 2026
Severe Thunderstorm Warning: Lagrange, Steuben, Branch and 1 more, IN and MI
Expired 4:00 p.m. EDT, September 3, 2026
NWS IndianapolisWarningAugust 26, 2026
Severe Thunderstorm Warning: Daviess, Lawrence and Martin, IN
Expired 11:45 p.m. EDT, August 26, 2026
This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.
Source: National Weather Service alerts (api.weather.gov).
What is a severe thunderstorm warning?
A severe thunderstorm warning means a storm is producing, or is about to produce, hail one inch across or larger and/or winds of 58 mph or more. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Indiana.