Storms, floods and disasters in Harrisburg
Harrisburg isn’t graded for hazard risk: Harrisburg has 478 residents; we grade towns of 1,000 or more. Flood insurance has paid 1 claim here since 1998.
What Harrisburg faces
Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.
River and rain flooding
Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.
Does Harrisburg flood? Rarely: 1 flood claim since 1998
Every paid claim on a federal flood insurance policy in Harrisburg, from FEMA’s records.
Harrisburg isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Lewis County.3 federal disasters brought FEMA money to Harrisburg
Disasters that paid out in Harrisburg itself (aid to households or repair grants to the Town of Harrisburg), newest first, with that year’s flood claims.
- 2007Record Snow and Near Record Snow$5K to the Town of Harrisburg for repairs
- 2004Snow$5K to the Town of Harrisburg for repairs
- 2000Severe Storms and Flooding$14K to the Town of Harrisburg for repairs
Lewis County has had 22 natural disasters declared by the President since 1953, most often winter storms, then severe storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees; the 2001 World Trade Center declarations.
Old photos of Harrisburg after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Harrisburg archive →Harrisburg and its neighbors
How expected damage per building compares across the town line. Tap a town to see its hazards.
Hazard risk = FEMA’s expected yearly building damage per dollar of building value, vs. the 21,298 U.S. towns we grade; the map is shaded by fifths of the same scale. Flood claims = paid federal flood insurance claims on record.
Get ready for what Harrisburg faces
A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.
- Turn around at flooded roads: a foot of moving water can carry off a car.
- Flood insurance usually takes 30 days to start, so buy it before the forecast.
- Keep papers and medicines up high, in a grab-and-go bag.
- Look up the address on FEMA’s flood map.
- Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
- Get a flood insurance quote early: policies usually start 30 days after you buy.
Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.
Questions about natural hazards in Harrisburg
Does Harrisburg flood?
Flood insurance has paid 1 claim in Harrisburg since 1998, $5K in all.
Is Harrisburg in a flood zone?
Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In Lewis County, 0.4% of all homes carry federal flood insurance.
How much is flood insurance in Harrisburg?
FEMA’s Community Rating System list shows no discount for Harrisburg’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
What was the biggest storm in Harrisburg?
By FEMA money that reached Harrisburg, Severe Storms and Flooding (2000): $14K to the Town of Harrisburg for repairs.
Storm stories
Memories, warnings and help from neighbors in Harrisburg.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Harrisburg’s residents lived in the 2020 census; OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.