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
47%
Historical baseline
Lightning baseline: 42/100 (Moderate).
Live weather
Current conditions near Grand Detour, IL
Temp
85°
☀️Clear
Feels like
89°
Feels-like temp
Humidity
47%
Relative
Wind
3 mph
10 m avg
Pressure
1019 mb
Sea-level
Rain
0 mm
Clouds 0%
Next few hours
☀️6 PM
86°
0% rain
☀️7 PM
85°
0% rain
☀️8 PM
81°
0% rain
☀️9 PM
78°
0% rain
☀️10 PM
75°
0% rain
☀️11 PM
73°
0% rain
Next few days
⛅Sun
86° / 60°
0% rain
☀️Mon
95° / 66°
1% rain
☁️Tue
88° / 69°
2% rain
☁️Wed
86° / 70°
1% rain
☁️Thu
85° / 69°
4% rain
⛅Fri
80° / 62°
9% rain
☁️Sat
86° / 64°
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.
Protect your home before the next storm
Turn today’s risk into a checklist for your home.
Live hazard map
Radar, alerts, systems, SPC, gauges · Grand Detour, ILToggle live overlays with the toolbar to focus on current radar, alerts, and outlooks.