New Lenox, IL

Local storm history & FEMA National Risk Index data

Population: 28,480 · Part of Will County

New Lenox is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Will County, IL. The county's highest-rated hazards are cold wave, tornado, and inland flooding.

Storm events near New Lenox

NOAA-recorded tornado, hail, and flood events within 25 miles of New Lenox's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to New Lenox itself, not the whole county.

Tornado 79 events
Hail 238 events
Inland Flooding 229 events

County-wide hazard risk

Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Will County's FEMA National Risk Index scores, covering New Lenox along with the rest of the county, not a New Lenox-specific figure.

Hazard NRI score Rating
Wildfire 56.2 Very Low
Inland Flooding 97.9 Relatively High
Coastal Flooding Not Applicable
Earthquake 90.3 Relatively Moderate
Heat Wave 95.5 Relatively Moderate
Tornado 99.2 Very High
Avalanche Not Applicable
Cold Wave 99.6 Very High
Drought 38.1 Relatively Low
Hail 60.6 Relatively Low
Hurricane 26.2 Very Low
Ice Storm 80.2 Relatively Moderate
Landslide 59.4 Very Low
Lightning 89.9 Relatively High
Strong Wind 50.8 Relatively Low
Tsunami Not Applicable
Volcanic Activity Not Applicable
Winter Weather 92.2 Relatively High

Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Will County risk profile for disaster declarations, social vulnerability, and climate projection data.

Other cities in Will County:

More on Will County:

Frequently asked questions

What natural hazards is New Lenox, IL at risk of?

New Lenox is rated Relatively High for overall natural hazard risk by FEMA's National Risk Index — higher risk than most US counties. The highest-rated hazards for Will County, where New Lenox is located, are cold wave, tornado, and inland flooding.

What is New Lenox's biggest natural hazard risk?

Cold Wave is the highest-rated hazard for Will County, where New Lenox is located, scoring 99.6 out of 100 on FEMA's National Risk Index (rated "Very High").

Is New Lenox a high-risk area for natural disasters?

Yes — New Lenox carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Will County.

Has New Lenox had tornadoes, hail, or flooding?

NOAA has recorded 79 tornado, 238 hail, 229 inland flooding events within 25 miles of New Lenox since 2016.