Manassas, Virginia: natural disaster risk
How exposed Manassas is to floods, storms and other hazards, from FEMA and NOAA records for Manassas City.
Manassas is a city of 42,976 people in Manassas City, Virginia. FEMA's National Risk Index rates Manassas City very low for natural hazards overall, lower than most of the US. The costliest hazards there are inland flooding, heat wave and strong wind, with about $7.5 million in expected losses a year across the county. The weather service has logged 79 storm reports in the county since 1998, including 1 tornadoes and 16 floods. NOAA hurricane records show 2 hurricanes and 13 tropical storms passing within 65 miles of the county's center. About 0.4% of homes in the county carry federal flood insurance.
Risk figures are for Manassas City. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in Manassas
Full Manassas City report ›- 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.
- Check that cooling works before summer.
- Know where the nearest cooling center is.
- Secure outdoor furniture and trash bins before storms.
- Have trees near the house checked.
All hazards
| Hazard | Rating | A year |
|---|---|---|
| Inland flooding | $4M | |
| Heat wave | $626K | |
| Strong wind | $602K | |
| Tornado | $533K | |
| Earthquake | $436K | |
| Hurricane | $417K | |
| Lightning | $320K | |
| Hail | $116K | |
| Cold wave | $84K | |
| Winter weather | $56K | |
| Ice storm | $14K | |
| Wildfire | $333 |
Homes in Manassas
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 Manassas City
Other cities in Virginia
All ›Common questions about Manassas
Is Manassas safe from natural disasters?
Manassas is in Manassas City, which FEMA's National Risk Index rates very low overall, lower than most of the US. The biggest hazards are inland flooding, heat wave, strong wind. No place is free of risk, so check the flood map and insurance for any home you consider.
What natural disasters happen in Manassas?
By expected yearly losses in Manassas City, the top hazards are inland flooding (Very Low), heat wave (Low), strong wind (Low). Manassas City has been part of 13 federal disaster or emergency declarations for natural events.
Does Manassas get tornadoes?
Yes. NOAA records list 1 tornadoes in Manassas City since 1950; the strongest was an F1 tornado on September 17, 2004 near Manassas. FEMA rates tornado risk in the county low.
Do I need flood insurance in Manassas?
Standard home insurance does not cover floods. In Manassas City, about 0.4% of homes have federal flood insurance, and FEMA rates inland flooding risk very low. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.