Flood risk snapshot · Milwaukee, WI

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Current risk outlook

Flooding and heavy rain risk for Milwaukee, WI.

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

MODERATE

Moderate

Next 6–24 hours: Today: Moderate (44/100) · Rain 65% · 0.4 in · Max wind 5 to 10 mph.

3 active alerts nearby.

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

Historical risk score

Long-term baseline derived from historical hazard activity.

37

/ 100

Flood risk score37/100

For typical homes located in Milwaukee, WI.

Baseline context

FEMA NFHL flood zones: 2 features intersect this tile.

Local historical hazard map

Milwaukee, WI

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: MKX · radar KMKX

Active alerts near Milwaukee

Severe Thunderstorm Warning

Effective local time

Severe Thunderstorm Warning issued August 9 at 11:10AM CDT until August 9 at 12:00PM CDT by NWS Milwaukee/Sullivan WI

For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Special Weather Statement

Effective local time

Special Weather Statement issued August 9 at 10:56AM CDT by NWS Milwaukee/Sullivan WI

Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. A Severe Thunderstorm Watch remains in effect until 200 PM CDT for southeastern Wisconsin.

Severe Thunderstorm Watch

Effective local time

Severe Thunderstorm Watch issued August 9 at 9:48AM CDT until August 9 at 2:00PM CDT by NWS Milwaukee/Sullivan WI

Flood intelligence snapshot

FEMA flood zones (NFHL)

Dominant zone: AE (52% of features)

SFHA share: 52% (feature-weighted)

NFHL features in tile: 176

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: 37% volumetric

Last 24h rain: 0.00 in

Updated: local time

Source: Open-Meteo soil model (proxy).

5-day flood & rain outlook

Today

MODERATE

Rain chance: 65% · 0.4 in

Max wind: 5 to 10 mph

Risk score: 44/100

Tomorrow

LOW

Rain chance: 16% · 0.6 in

Max wind: 5 mph

Risk score: 28/100

Tue

MODERATE

Rain chance: 52% · 0.3 in

Max wind: 0 to 5 mph

Risk score: 39/100

Wed

LOW

Rain chance: 35%

Max wind: 0 to 5 mph

Risk score: 24/100

Thu

LOW

Rain chance: 7%

Max wind: 5 to 10 mph

Risk score: 13/100

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

Historical flooding exposure

Local flood data facts

NFHL features in this tile176
Dominant FEMA zoneAE (52%)
SFHA share of features52%
Soil moisture (topsoil)37% · 0.00 in rain

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

Historical flooding exposure in Milwaukee

  • 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 Milwaukee

Does Milwaukee 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.