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Flood risk snapshot · King of Prussia, PA

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

Current risk outlook

Flooding and heavy rain risk for King of Prussia, PA.

Some live sources are refreshing; historical context remains available.

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

Live risk outlook

Refreshing

Live sources refreshing

Use the official sources below for time-sensitive conditions; the score below is not an active warning.

Live alert status is unavailable here; check official sources directly.

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

Extended live outlook →

Local decision support

Next 24–72 hours: risk-to-action packet

Live sources refreshing

Baseline

68/100

Elevated long-term exposure

Live signal

Refreshing

Historical score remains available below

Official alerts

—

check official sources directly

Practical, non-emergency steps

  1. STEP 1

    Reduce water entry points

    Clear gutters, drains, and low-area grates when it is safe to do so, and move valuables from low storage areas.

  2. STEP 2

    Document before conditions change

    Keep current photos of the exterior and important records in an accessible place for a later coverage conversation.

  3. STEP 3

    Follow local flood direction

    Do not use this packet for route, evacuation, or floodwater decisions; follow official local and NWS alerts instead.

Start a coverage requestRecord a service need

This packet supports preparation conversations. It is not an emergency alert, evacuation instruction, insurance quote, property inspection, or medical guidance. Follow official local instructions for time-sensitive decisions.

Historical risk score

Long-term baseline derived from historical hazard activity.

68

/ 100

Flood risk score68/100

For typical homes located in King of Prussia, PA.

Baseline context

FEMA NFHL flood zones: 10 features intersect this tile.

Compare other local risks

See how King of Prussia scores across each hazard model.

City snapshot

All hazards combined

36/100

Wind risk

Roof stress and gust-driven damage

22/100

AQI risk

Current air quality and AQI signal

40/100

Lightning risk

Thunderstorm and strike exposure

39/100

Wildfire risk

Fuels, dryness, and fire potential

44/100

Tornado risk

Historic tornado corridor exposure

15/100

Hail risk

Hail frequency and roof impact potential

27/100

Local historical hazard map

King of Prussia, PA

Historical baseline tiles

Click a tile to update scores. These layers show long-term historical baseline risk, not live warnings or short-term forecast risk.

Live flood alerts & official forecast (NWS)

Forecast office: PHI · radar KDIX

Active alerts near King of Prussia

Wind Advisory

Effective local time

Wind Advisory issued September 26 at 6:03PM EDT until September 27 at 12:00PM EDT by NWS Mount Holly NJ

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

View full NWS forecast →

Source: National Weather Service.

Protect your home before the next storm

Turn today’s risk into a checklist for your home.

Coverage request

Keep local storm exposure with the coverage questions you want to ask.

Start request

Home-protection request

Record roof, window, or hardening work you are considering around local risk.

Record need

Emergency prep essentials guide

Build a storm kit and action checklist in 30 minutes.

Open guide

Flood intelligence snapshot

FEMA flood zones (NFHL)

Dominant zone: AE (47% of features)

SFHA share: 55% (feature-weighted)

NFHL features in tile: 281

Tile risk label: Elevated

Source: FEMA NFHL (MapServer).

Nearest river gauge (USGS)

No nearby USGS gauges reporting right now.

Source: USGS NWIS (instant values).

Soil saturation (model)

Soil moisture data unavailable right now.

Source: Open-Meteo soil model (proxy).

Protect your home before the next storm

Turn today's flood exposure into a checklist for drains, valuables, and coverage in King of Prussia, PA.

Coverage request

Keep local storm exposure with the coverage questions you want to ask.

Start request

Home-protection request

Record roof, window, or hardening work you are considering around local risk.

Record need

Emergency prep essentials guide

Build a storm kit and action checklist in 30 minutes.

Open guide

5-day flood & rain outlook

Today

ELEVATED

Rain chance: 96% · 1.2 in

Max wind: 15 mph

Risk score: 68/100

Tomorrow

MODERATE

Rain chance: 44% · 0.0 in · ERO MRGL

Max wind: 5 to 10 mph

Risk score: 40/100

Tue

LOW

Rain chance: 0% · 0.0 in

Max wind: 0 to 5 mph

Risk score: 10/100

Wed

LOW

Rain chance: 1%

Max wind: 0 to 5 mph

Risk score: 10/100

Thu

LOW

Rain chance: 4%

Max wind: 0 to 5 mph

Risk score: 12/100

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

Historical flooding exposure

Local flood data facts

NFHL features in this tile281
Dominant FEMA zoneAE (47%)
SFHA share of features55%

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

Historical flooding exposure in King of Prussia

  • 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 King of Prussia

Does King of Prussia 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.