Focused Live Outlook
Lightning live risk in Fontana, CA
Thunderstorm and lightning conditions for Fontana, CA over the next 6–24 hours.
Updated just now. Live data typically refreshes every 5–40 minutes.
Thunderstorm alerts
0
SPC Day 1
No Day 1 signal
Current precip
0.0 mm
Humidity
35%
Historical baseline
Lightning baseline: 2/100 (Low).
Live weather
Current conditions near Fontana, CA
Temp
74°
☀️Clear
Feels like
71°
Feels-like temp
Humidity
35%
Relative
Wind
3 mph
10 m avg
Pressure
1009 mb
Sea-level
Rain
0 mm
Clouds 0%
Next few hours
☀️4 AM
73°
0% rain
☀️5 AM
72°
0% rain
☀️6 AM
71°
0% rain
☀️7 AM
73°
0% rain
☀️8 AM
79°
0% rain
☀️9 AM
85°
0% rain
Next few days
☁️Sun
105° / 71°
2% rain
☁️Mon
97° / 68°
1% rain
☁️Tue
96° / 79°
2% rain
☁️Wed
91° / 77°
1% rain
☁️Thu
88° / 73°
1% rain
☁️Fri
87° / 72°
1% rain
🌦️Sat
80° / 72°
2% rain
Live weather alerts
Active NWS advisories near Fontana, CA
Heat Advisory
Effective local time
Heat Advisory issued August 9 at 3:03AM PDT until August 9 at 8:00PM PDT by NWS San Diego CA
San Bernardino and Riverside County Valleys-The Inland Empire
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 · Fontana, CAToggle live overlays with the toolbar to focus on current radar, alerts, and outlooks.