More for Arizona: Highest flood risk cities · Arizona live outlook
Current risk outlook
Flooding and heavy rain risk for Oro Valley, AZ.
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: Wed: Low (10/100) · Rain 1% · 0.0 in · Max wind 1 to 5 mph.
2 active alerts nearby.
Sources: NOAA, NWS, SPC, NHC, FEMA, USGS.
Historical risk score
Long-term baseline derived from historical hazard activity.
48
/ 100
For typical homes located in Oro Valley, AZ.
Baseline context
FEMA NFHL flood zones: 10 features intersect this tile.
Compare other local risks
See how Oro Valley 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
Oro Valley, AZ
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: TWC · radar KEMX
Active alerts near Oro Valley
Extreme Heat Warning
Effective local time
Extreme Heat Warning issued June 24 at 1:24PM MST until June 25 at 8:00PM MST by NWS Tucson AZ
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. 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 and drink plenty of water.
Fire Weather Watch
Effective local time
Fire Weather Watch issued June 24 at 1:19PM MST until June 28 at 8:00PM MST by NWS Tucson AZ
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. Please advise the appropriate officials or fire crews in the field of the Fire Weather Watch for portions of Southeast Arizona.
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: AE (49% of features)
SFHA share: 59% (feature-weighted)
NFHL features in tile: 127
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: 3% volumetric
Last 24h rain: 0.33 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 Oro Valley, AZ.
5-day flood & rain outlook
Wed
LOWRain chance: 1% · 0.0 in
Max wind: 1 to 5 mph
Risk score: 10/100
Today
LOWRain chance: 16% · 0.0 in
Max wind: 0 to 14 mph
Risk score: 16/100
Tomorrow
LOWRain chance: 1% · 0.0 in
Max wind: 5 to 21 mph
Risk score: 10/100
Sat
LOWRain chance: 0%
Max wind: 9 to 22 mph
Risk score: 10/100
Sun
LOWRain chance: 1%
Max wind: 13 to 22 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 Oro Valley
- 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 Oro Valley
Does Oro Valley 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.