Altoona, PA
Local storm history & FEMA National Risk Index data
Altoona is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Blair County, PA. The county's highest-rated hazards are winter weather, inland flooding, and landslide.
Storm events near Altoona
NOAA-recorded tornado, hail, and flood events within 25 miles of Altoona's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Altoona 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 Blair County's FEMA National Risk Index scores, covering Altoona along with the rest of the county, not a Altoona-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 32 | Very Low |
| Inland Flooding | 87.5 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 62.3 | Relatively Low |
| Heat Wave | 40.9 | Relatively Low |
| Tornado | 58.9 | Relatively Low |
| Avalanche | 59.5 | Very Low |
| Cold Wave | 49 | Relatively Low |
| Drought | 0 | No Rating |
| Hail | 44.2 | Relatively Low |
| Hurricane | 78.8 | Relatively Low |
| Ice Storm | 23.4 | Very Low |
| Landslide | 85.9 | Relatively Low |
| Lightning | 77 | Relatively Moderate |
| Strong Wind | 69.5 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 92.6 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Blair County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Blair County:
Frequently asked questions
What natural hazards is Altoona, PA at risk of?
Altoona 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 Blair County, where Altoona is located, are winter weather, inland flooding, and landslide.
What is Altoona's biggest natural hazard risk?
Winter Weather is the highest-rated hazard for Blair County, where Altoona is located, scoring 92.6 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Altoona a high-risk area for natural disasters?
No — Altoona carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Blair County.
Has Altoona had tornadoes, hail, or flooding?
NOAA has recorded 4 tornado, 17 hail, 29 inland flooding events within 25 miles of Altoona since 2016.