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
52%
Historical baseline
Lightning baseline: 2/100 (Low).
Live weather
Current conditions near Grand Terrace, CA
Temp
83°
☁️Cloudy
Feels like
84°
Feels-like temp
Humidity
52%
Relative
Wind
8 mph
10 m avg
Pressure
1010 mb
Sea-level
Rain
0 mm
Clouds 100%
Next few hours
☁️8 AM
83°
0% rain
☁️9 AM
86°
0% rain
☁️10 AM
90°
2% rain
⛅11 AM
96°
1% rain
☁️12 PM
103°
1% rain
☁️1 PM
106°
1% rain
Next few days
☁️Thu
108° / 81°
2% rain
☁️Fri
104° / 75°
2% rain
☁️Sat
100° / 78°
0% rain
☀️Sun
96° / 77°
0% rain
☀️Mon
93° / 73°
2% rain
☁️Tue
91° / 70°
25% rain
☁️Wed
85° / 70°
21% rain
Live weather alerts
Active NWS advisories near Grand Terrace, CA
Extreme Heat Warning
Effective local time
Extreme Heat Warning issued August 27 at 12:50AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
San Bernardino and Riverside County Valleys-The Inland Empire
Air Quality Alert
Effective local time
Air Quality Alert issued August 24 at 1:34PM PDT by NWS San Diego CA
San Bernardino and Riverside County Valleys-The Inland Empire; San Bernardino County Mountains; Coachella Valley; San Gorgonio Pass Near Banning; Orange County Inland
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.