Brownsburg, IN
Local storm history & FEMA National Risk Index data
Brownsburg is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Hendricks County, IN. The county's highest-rated hazards are winter weather, hail, and tornado.
Storm events near Brownsburg
NOAA-recorded tornado, hail, and flood events within 25 miles of Brownsburg's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Brownsburg itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Hendricks County's FEMA National Risk Index scores, covering Brownsburg along with the rest of the county, not a Brownsburg-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 10.7 | Very Low |
| Inland Flooding | 81 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 82.1 | Relatively Low |
| Heat Wave | 75.9 | Relatively Low |
| Tornado | 87 | Relatively Moderate |
| Avalanche | — | Not Applicable |
| Cold Wave | 77.2 | Relatively Moderate |
| Drought | 56.1 | Relatively Low |
| Hail | 89 | Relatively Moderate |
| Hurricane | 12.3 | Very Low |
| Ice Storm | 58.4 | Relatively Low |
| Landslide | 44.8 | Very Low |
| Lightning | 58.3 | Relatively Moderate |
| Strong Wind | 76.7 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 89.5 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Hendricks County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Hendricks County:
More on Hendricks County:
Frequently asked questions
What natural hazards is Brownsburg, IN at risk of?
Brownsburg is rated Relatively Low for overall natural hazard risk by FEMA's National Risk Index — lower risk than most US counties. The highest-rated hazards for Hendricks County, where Brownsburg is located, are winter weather, hail, and tornado.
What is Brownsburg's biggest natural hazard risk?
Winter Weather is the highest-rated hazard for Hendricks County, where Brownsburg is located, scoring 89.5 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Brownsburg a high-risk area for natural disasters?
No — Brownsburg carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Hendricks County.
Has Brownsburg had tornadoes, hail, or flooding?
NOAA has recorded 16 tornado, 190 hail, 70 inland flooding events within 25 miles of Brownsburg since 2016.