Focused Live Outlook
Lightning live risk in Mercersburg, PA
Thunderstorm and lightning conditions for Mercersburg, PA 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
69%
Historical baseline
Lightning baseline: 23/100 (Low).
Live weather
Current conditions near Mercersburg, PA
Temp
68°
☀️Clear
Feels like
69°
Feels-like temp
Humidity
69%
Relative
Wind
5 mph
10 m avg
Pressure
1015 mb
Sea-level
Rain
0 mm
Clouds 0%
Next few hours
☀️2 AM
68°
0% rain
☀️3 AM
68°
0% rain
⛅4 AM
67°
0% rain
☀️5 AM
66°
0% rain
☀️6 AM
65°
0% rain
☀️7 AM
66°
0% rain
Next few days
☁️Tue
87° / 65°
1% rain
☁️Wed
88° / 70°
61% rain
🌧️Thu
92° / 69°
63% rain
⛈️Fri
90° / 70°
55% rain
🌧️Sat
87° / 69°
42% rain
☁️Sun
95° / 69°
14% rain
🌦️Mon
98° / 73°
11% rain
Live weather alerts
Active NWS advisories near Mercersburg, PA
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 · Mercersburg, PAToggle live overlays with the toolbar to focus on current radar, alerts, and outlooks.