Unable to locate "O'Fallon, IL". Showing the live snapshot for O'Fallon, IL.
Live weather
Current conditions near O'Fallon, IL
Temp
70°
☁️Cloudy
Feels like
74°
Feels-like temp
Humidity
94%
Relative
Wind
6 mph
10 m avg
Pressure
1016 mb
Sea-level
Rain
0 mm
Clouds 100%
Next few hours
🌦️8 AM
70°
57% rain
☁️9 AM
73°
37% rain
☁️10 AM
73°
44% rain
🌦️11 AM
72°
40% rain
🌦️12 PM
73°
44% rain
☁️1 PM
78°
47% rain
Next few days
🌧️Fri
78° / 69°
87% rain
⛈️Sat
86° / 71°
34% rain
⛈️Sun
94° / 71°
25% rain
⛈️Mon
96° / 73°
0% rain
⛈️Tue
96° / 74°
1% rain
⛈️Wed
95° / 77°
2% rain
⛈️Thu
92° / 72°
5% rain
Live weather alerts
Active NWS advisories near O'Fallon, IL
Flood Watch
Effective local time
Flood Watch issued June 26 at 3:30AM CDT until June 26 at 7:00PM CDT by NWS St Louis MO
Greene; Macoupin; Montgomery; Bond; Fayette; Clinton; Marion; Washington; Randolph; Pike; Calhoun; Jersey; Madison; St. Clair; Monroe; Pike; Boone; Audrain; Moniteau; Cole; Osage; Callaway; Montgomery; Lincoln; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds
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 · O'Fallon, ILToggle live overlays with the toolbar to focus on current radar, alerts, and outlooks.