Williamsport, PA
Local storm history & FEMA National Risk Index data
Williamsport is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Lycoming County, PA. The county's highest-rated hazards are inland flooding, winter weather, and strong wind.
Storm events near Williamsport
NOAA-recorded tornado, hail, and flood events within 25 miles of Williamsport's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Williamsport 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 Lycoming County's FEMA National Risk Index scores, covering Williamsport along with the rest of the county, not a Williamsport-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 26.9 | Very Low |
| Inland Flooding | 89 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 48.3 | Very Low |
| Heat Wave | 52.5 | Relatively Low |
| Tornado | 50.4 | Relatively Low |
| Avalanche | 75.4 | Relatively Low |
| Cold Wave | 32.9 | Relatively Low |
| Drought | 0 | No Rating |
| Hail | 17 | Very Low |
| Hurricane | 75.1 | Relatively Low |
| Ice Storm | 11.8 | Very Low |
| Landslide | 83.1 | Relatively Low |
| Lightning | 68.9 | Relatively Moderate |
| Strong Wind | 87.3 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 89 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Lycoming County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Lycoming County:
Frequently asked questions
What natural hazards is Williamsport, PA at risk of?
Williamsport 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 Lycoming County, where Williamsport is located, are inland flooding, winter weather, and strong wind.
What is Williamsport's biggest natural hazard risk?
Inland Flooding is the highest-rated hazard for Lycoming County, where Williamsport is located, scoring 89 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").
Is Williamsport a high-risk area for natural disasters?
No — Williamsport carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Lycoming County.
Has Williamsport had tornadoes, hail, or flooding?
NOAA has recorded 7 tornado, 19 hail, 35 inland flooding events within 25 miles of Williamsport since 2016.