More for Washington: Highest flood risk cities · Washington live outlook
Current risk outlook
Flooding and heavy rain risk for Oso, WA.
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
LOWLow
Next 6–24 hours: Today: Low (10/100) · Rain 1% · 0.0 in · Max wind 1 to 7 mph.
1 active alert nearby.
Sources: NOAA, NWS, SPC, NHC, FEMA, USGS.
Historical risk score
Long-term baseline derived from historical hazard activity.
23
/ 100
For typical homes located in Oso, WA.
Baseline context
FEMA NFHL flood zones: 2 features intersect this tile.
Compare other local risks
See how Oso scores across each hazard model.
City snapshot
All hazards combined
Wind risk
Roof stress and gust-driven damage
AQI risk
Current air quality and AQI signal
Lightning risk
Thunderstorm and strike exposure
Wildfire risk
Fuels, dryness, and fire potential
Tornado risk
Historic tornado corridor exposure
Hail risk
Hail frequency and roof impact potential
Local historical hazard map
Oso, WA
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: SEW · radar KATX
Active alerts near Oso
Heat Advisory
Effective local time
Heat Advisory issued June 14 at 12:42AM PDT until June 16 at 5:00AM PDT by NWS Seattle WA
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit wa211.org anytime.
Protect your home before the next storm
Turn today’s risk into a checklist for your home.
Flood intelligence snapshot
FEMA flood zones (NFHL)
Dominant zone: X (61% of features)
SFHA share: 39% (feature-weighted)
NFHL features in tile: 165
Tile risk label: Moderate
Source: FEMA NFHL (MapServer).
Nearest river gauge (USGS)
NF STILLAGUAMISH R AT WHITEHORSE TRAIL NR OSO, WA (12166400)
Stage: 192.00 ft
Observed: local time
Distance from Oso: 1 mi
Source: USGS NWIS (instant values).
Soil saturation (model)
Soil moisture: 18% volumetric
Last 24h rain: 0.00 in
Updated: local time
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 Oso, WA.
5-day flood & rain outlook
Today
LOWRain chance: 1% · 0.0 in
Max wind: 1 to 7 mph
Risk score: 10/100
Tomorrow
LOWRain chance: 0% · 0.0 in
Max wind: 0 to 6 mph
Risk score: 10/100
Tue
LOWRain chance: 4% · 0.0 in
Max wind: 1 to 10 mph
Risk score: 12/100
Wed
LOWRain chance: 0%
Max wind: 0 to 6 mph
Risk score: 10/100
Thu
LOWRain chance: 0%
Max wind: 0 to 7 mph
Risk score: 10/100
Outlook blends NWS forecast, WPC QPF totals, and Excessive Rainfall Outlook categories.
Historical flooding exposure
Local flood data facts
Data from FEMA NFHL, USGS gauges, and Open-Meteo soil moisture.
Historical flooding exposure in Oso
- 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 Oso
Does Oso 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.