Prairieville, Louisiana: natural disaster risk
How exposed Prairieville is to floods, storms and other hazards, from FEMA and NOAA records for Ascension Parish.
Prairieville is a community of 35,238 people in Ascension Parish, Louisiana. FEMA's National Risk Index rates Ascension Parish relatively moderate for natural hazards overall, about average for the US. The costliest hazards there are hurricane, inland flooding and tornado, with about $120 million in expected losses a year across the county. The weather service has logged 207 storm reports in the county since 1950, including 23 tornadoes and 30 floods. NOAA hurricane records show 25 hurricanes and 27 tropical storms passing within 65 miles of the county's center, 8 of them major. About 28.9% of homes in the county carry federal flood insurance.
Risk figures are for Ascension Parish. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in Prairieville
Full Ascension Parish report ›- Know your evacuation zone and route before June 1.
- Ask about roof age, shutters and the separate wind or hurricane deductible on your home policy.
- Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
- Price a flood policy now. Most new federal policies take 30 days to start.
- Pick a shelter spot: a basement, or an inside room on the lowest floor with no windows.
- Turn on emergency alerts on your phone and keep a weather radio.
All hazards
| Hazard | Rating | A year |
|---|---|---|
| Hurricane | $74M | |
| Inland flooding | $18M | |
| Tornado | $13M | |
| Cold wave | $4M | |
| Heat wave | $3M | |
| Coastal flooding | $2M | |
| Lightning | $1M | |
| Drought | $1M | |
| Hail | $754K | |
| Strong wind | $636K | |
| Earthquake | $433K | |
| Ice storm | $246K |
Homes in Prairieville
Older homes and mobile homes usually take more damage in storms, floods and earthquakes. Ask about roof age, flood history and retrofits before you buy or rent.
Strongest tornadoes in Ascension Parish
Other cities in Louisiana
All ›Common questions about Prairieville
Is Prairieville safe from natural disasters?
Prairieville is in Ascension Parish, which FEMA's National Risk Index rates relatively moderate overall, about average for the US. The biggest hazards are hurricane, inland flooding, tornado. No place is free of risk, so check the flood map and insurance for any home you consider.
What natural disasters happen in Prairieville?
By expected yearly losses in Ascension Parish, the top hazards are hurricane (High), inland flooding (Moderate), tornado (High). Ascension Parish has been part of 55 federal disaster or emergency declarations for natural events.
Does Prairieville get tornadoes?
Yes. NOAA records list 23 tornadoes in Ascension Parish since 1950; the strongest was an F3 tornado on April 12, 1969. FEMA rates tornado risk in the county high.
Do I need flood insurance in Prairieville?
Standard home insurance does not cover floods. In Ascension Parish, about 28.9% of homes have federal flood insurance, and FEMA rates inland flooding risk moderate. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.