More for Delaware: Highest flood risk cities · Delaware live outlook

Current risk outlook

Flooding and heavy rain risk for Odessa, DE.

Live conditions updated just now. Refreshes every 5–40 minutes.

This view focuses on street flooding, ponding in low-lying areas, and how heavy rain tends to behave around this city.

Live risk outlook

LOW

Low

Next 6–24 hours: Today: Low (31/100) · Rain 52% · 0.1 in · Max wind 5 mph.

No active local alerts at this moment.

Sources: NOAA, NWS, SPC, NHC, FEMA, USGS.

Historical risk score

Long-term baseline derived from historical hazard activity.

45

/ 100

Flood risk score45/100

For typical homes located in Odessa, DE.

Baseline context

FEMA NFHL flood zones: 14 features intersect this tile.

Local hazard map

Odessa, DE

Tile rasters

Click a tile to update scores. These layers are for awareness and are not a replacement for official NWS / NHC warnings.

Live flood alerts & official forecast (NWS)

Forecast office: PHI · radar KDOX

Flood intelligence snapshot

FEMA flood zones (NFHL)

Dominant zone: X (81% of features)

SFHA share: 19% (feature-weighted)

NFHL features in tile: 340

Tile risk label: Low

Source: FEMA NFHL (MapServer).

Nearest river gauge (USGS)

DOVE NEST BRANCH NEAR ODESSA, DE (01483170)

Discharge: 10 ft3/s

Observed: local time

Distance from Odessa: 2 mi

Source: USGS NWIS (instant values).

Soil saturation (model)

Soil moisture: 23% volumetric

Last 24h rain: 0.00 in

Updated: local time

Source: Open-Meteo soil model (proxy).

5-day flood & rain outlook

Today

LOW

Rain chance: 52% · 0.1 in

Max wind: 5 mph

Risk score: 31/100

Tomorrow

LOW

Rain chance: 3% · 0.0 in

Max wind: 0 to 5 mph

Risk score: 11/100

Sat

LOW

Rain chance: 4% · 0.0 in

Max wind: 0 to 5 mph

Risk score: 12/100

Sun

LOW

Rain chance: 9%

Max wind: 5 to 10 mph

Risk score: 14/100

Mon

LOW

Rain chance: 54%

Max wind: 5 to 10 mph

Risk score: 32/100

Outlook blends NWS forecast, WPC QPF totals, and Excessive Rainfall Outlook categories.

Historical flooding exposure

Local flood data facts

NFHL features in this tile340
Dominant FEMA zoneX (81%)
SFHA share of features19%
Nearest USGS gauge2 mi

Data from FEMA NFHL, USGS gauges, and Open-Meteo soil moisture.

Historical flooding exposure in Odessa

  • Lowest-lying streets and drainage chokepoints tend to flood first during heavy rain.
  • Long-duration rainfall can raise ponding risk even without a named storm.
  • Local elevation and canal/river networks can amplify or reduce flood impacts.

Flood & storm risk FAQs for Odessa

Does Odessa flood often?

Flooding risk depends on elevation, drainage, and rainfall intensity. This model summarizes localized flood patterns from public datasets.

What causes street flooding without a storm surge?

Short bursts of heavy rain can overwhelm drains; longer events can saturate soils and keep water standing even after rain ends.