Focused Live Outlook
Lightning live risk in Grand Detour, IL
Thunderstorm and lightning conditions for Grand Detour, IL 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
58%
Historical baseline
Lightning baseline: 42/100 (Moderate).
Live weather
Current conditions near Grand Detour, IL
Temp
82°
☀️Clear
Feels like
87°
Feels-like temp
Humidity
58%
Relative
Wind
2 mph
10 m avg
Pressure
1020 mb
Sea-level
Rain
0 mm
Clouds 0%
Next few hours
☀️8 PM
81°
0% rain
☀️9 PM
78°
0% rain
☀️10 PM
76°
0% rain
☀️11 PM
74°
0% rain
☀️12 AM
72°
0% rain
☀️1 AM
70°
0% rain
Next few days
⛅Mon
95° / 66°
1% rain
☁️Tue
88° / 69°
2% rain
☁️Wed
87° / 71°
1% rain
⛈️Thu
87° / 72°
4% rain
⛈️Fri
87° / 70°
9% rain
☁️Sat
87° / 72°
14% rain
Live weather alerts
Active NWS advisories near Grand Detour, IL
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 · Grand Detour, ILToggle live overlays with the toolbar to focus on current radar, alerts, and outlooks.