Littleton, CO
Local storm history & FEMA National Risk Index data
Littleton is rated Relatively Moderate for overall natural hazard risk — near the middle compared to other US counties — based on FEMA's National Risk Index for Arapahoe County, CO. The county's highest-rated hazards are hail, lightning, and tornado.
Storm events near Littleton
NOAA-recorded tornado, hail, and flood events within 25 miles of Littleton's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Littleton 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 Arapahoe County's FEMA National Risk Index scores, covering Littleton along with the rest of the county, not a Littleton-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 84.7 | Relatively Low |
| Inland Flooding | 92.5 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 85.5 | Relatively Low |
| Heat Wave | 68.6 | Relatively Low |
| Tornado | 97.2 | Relatively High |
| Avalanche | — | Not Applicable |
| Cold Wave | 91.1 | Relatively High |
| Drought | 44.6 | Relatively Low |
| Hail | 99.8 | Very High |
| Hurricane | — | Not Applicable |
| Ice Storm | 11.4 | Very Low |
| Landslide | 50.5 | Very Low |
| Lightning | 98.4 | Very High |
| Strong Wind | 95.1 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | 73 | Very Low |
| Winter Weather | 91.1 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Arapahoe County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Arapahoe County:
More on Arapahoe County:
Frequently asked questions
What natural hazards is Littleton, CO at risk of?
Littleton is rated Relatively Moderate for overall natural hazard risk by FEMA's National Risk Index — near the middle compared to other US counties. The highest-rated hazards for Arapahoe County, where Littleton is located, are hail, lightning, and tornado.
What is Littleton's biggest natural hazard risk?
Hail is the highest-rated hazard for Arapahoe County, where Littleton is located, scoring 99.8 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Littleton a high-risk area for natural disasters?
Somewhat — Littleton carries near the middle compared to other US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Moderate" for Arapahoe County.
Has Littleton had tornadoes, hail, or flooding?
NOAA has recorded 8 tornado, 635 hail, 22 inland flooding events within 25 miles of Littleton since 2016.