Focused Live Outlook
Lightning live risk in Grand Terrace, CA
Thunderstorm and lightning conditions for Grand Terrace, 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
84%
Historical baseline
Lightning baseline: 2/100 (Low).
Live weather
Current conditions near Grand Terrace, CA
Temp
58°
☀️Clear
Feels like
58°
Feels-like temp
Humidity
84%
Relative
Wind
2 mph
10 m avg
Pressure
1012 mb
Sea-level
Rain
0 mm
Clouds 4%
Next few hours
☀️4 AM
58°
0% rain
☀️5 AM
57°
0% rain
☀️6 AM
56°
0% rain
☀️7 AM
59°
0% rain
☀️8 AM
65°
0% rain
☀️9 AM
74°
0% rain
Next few days
☀️Mon
96° / 56°
0% rain
🌫️Tue
77° / 56°
1% rain
☀️Wed
81° / 62°
0% rain
☀️Thu
80° / 56°
1% rain
☀️Fri
88° / 61°
3% rain
☀️Sat
89° / 68°
0% rain
☁️Sun
84° / 64°
0% rain
Live weather alerts
Active NWS advisories near Grand Terrace, CA
Heat Advisory
Effective local time
Heat Advisory issued May 11 at 2:07AM 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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Live hazard map
Radar, alerts, systems, SPC, gauges · Grand Terrace, CAToggle live overlays with the toolbar to focus on current radar, alerts, and outlooks.