Focused Live Outlook
Flood live risk in San Mateo, CA
Flood and heavy-rain conditions for San Mateo, CA over the next 6–24 hours.
Updated just now. Live data typically refreshes every 5–40 minutes.
Active flood alerts
0
Nearby USGS gauges
0
Highest gauge stage
No stage data
Current precip
0.0 mm
Historical baseline
Flood baseline: 40/100 (Moderate).
Live weather
Current conditions near San Mateo, CA
Temp
56°
⛅Partly cloudy
Feels like
55°
Feels-like temp
Humidity
92%
Relative
Wind
5 mph
10 m avg
Pressure
1015 mb
Sea-level
Rain
0 mm
Clouds 65%
Next few hours
⛅1 AM
56°
1% rain
☀️2 AM
55°
1% rain
⛅3 AM
54°
1% rain
☁️4 AM
55°
1% rain
🌫️5 AM
56°
1% rain
🌫️6 AM
56°
1% rain
Next few days
🌫️Thu
69° / 54°
1% rain
☁️Fri
70° / 54°
7% rain
🌦️Sat
67° / 57°
21% rain
⛅Sun
77° / 55°
0% rain
⛅Mon
78° / 56°
0% rain
☁️Tue
71° / 57°
1% rain
☁️Wed
64° / 57°
1% rain
Live weather alerts
Active NWS advisories near San Mateo, CA
No active NWS alerts near this city right now.
Source: NWS alerts feed.
Powered by NOAA, NHC, FEMA, USGS, and NSSL data. Updated every 5–40 minutes in the full product. Demo content only — not for official warning decisions.
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Live hazard map
Radar, alerts, systems, SPC, gauges · San Mateo, CAToggle live overlays with the toolbar to focus on current radar, alerts, and outlooks.