More for Nevada: Highest flood risk cities · Nevada live outlook
Current risk outlook
Flooding and heavy rain risk for Grass Valley, NV.
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 10 to 15 mph.
3 active alerts nearby.
Sources: NOAA, NWS, SPC, NHC, FEMA, USGS.
Historical risk score
Long-term baseline derived from historical hazard activity.
42
/ 100
For typical homes located in Grass Valley, NV.
Baseline context
FEMA NFHL flood zones: 1 features intersect this tile.
Compare other local risks
See how Grass 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
Grass Valley, NV
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: REV · radar KLRX
Active alerts near Grass Valley
Lake Wind Advisory
Effective local time
Lake Wind Advisory issued June 25 at 10:29AM PDT until June 27 at 11:00PM PDT by NWS Reno NV
Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.
Lake Wind Advisory
Effective local time
Lake Wind Advisory issued June 25 at 10:29AM PDT until June 25 at 11:00PM PDT by NWS Reno NV
Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.
Red Flag Warning
Effective local time
Red Flag Warning issued June 24 at 12:04PM PDT until June 27 at 11:00PM PDT by NWS Reno NV
Avoid outdoor activities that can cause a spark near dry vegetation, such as yard work, target shooting, or campfires. Follow local fire restrictions. Check weather.gov/reno for updates and livingwithfire.info for preparedness tips.
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: D (100% of features)
SFHA share: 0% (feature-weighted)
NFHL features in tile: 1
Tile risk label: High
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 Grass Valley, NV.
5-day flood & rain outlook
Today
LOWRain chance: 1% · 0.0 in
Max wind: 10 to 15 mph
Risk score: 10/100
Tomorrow
LOWRain chance: 30% · 0.0 in
Max wind: 15 to 20 mph
Risk score: 22/100
Sat
LOWRain chance: 59% · 0.1 in
Max wind: 15 to 25 mph
Risk score: 34/100
Sun
LOWRain chance: 27%
Max wind: 5 to 15 mph
Risk score: 21/100
Mon
LOWRain chance: 1%
Max wind: 0 to 5 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 Grass 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 Grass Valley
Does Grass 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.