Focused Live Outlook
Lightning live risk in Ontario, CA
Thunderstorm and lightning conditions for Ontario, 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
44%
Historical baseline
Lightning baseline: 1/100 (Low).
Live weather
Current conditions near Ontario, CA
Temp
77°
☀️Clear
Feels like
73°
Feels-like temp
Humidity
44%
Relative
Wind
12 mph
10 m avg
Pressure
1011 mb
Sea-level
Rain
0 mm
Clouds 2%
Next few hours
☀️6 PM
78°
0% rain
☀️7 PM
73°
0% rain
☀️8 PM
69°
0% rain
☀️9 PM
66°
0% rain
☀️10 PM
64°
0% rain
☀️11 PM
63°
0% rain
Next few days
☀️Mon
86° / 55°
0% rain
☁️Tue
82° / 56°
0% rain
☁️Wed
77° / 60°
1% rain
⛅Thu
74° / 58°
1% rain
☀️Fri
82° / 60°
6% rain
☀️Sat
87° / 66°
6% rain
Live weather alerts
Active NWS advisories near Ontario, CA
Heat Advisory
Effective local time
Heat Advisory issued May 10 at 11:25AM PDT until May 11 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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