← Back to O'Fallon snapshot
City snapshotLive data for O'Fallon, MO
O'Fallon, MO

Live weather

Current conditions near O'Fallon, MO

Updated recently (open-meteo)

Temp

54°

☀️Clear

Feels like

50°

Feels-like temp

Humidity

57%

Relative

Wind

4 mph

10 m avg

Pressure

1022 mb

Sea-level

Rain

0 mm

Clouds 0%

Next few hours

☀️11 PM

55°

0% rain

☀️12 AM

54°

0% rain

☀️1 AM

52°

0% rain

☀️2 AM

51°

0% rain

☀️3 AM

50°

0% rain

☀️4 AM

49°

0% rain

Next few days

☀️Mon

74° / 47°

1% rain

🌧️Tue

81° / 53°

67% rain

🌦️Wed

68° / 50°

67% rain

☁️Thu

74° / 49°

2% rain

☁️Fri

78° / 57°

28% rain

⛅Sat

88° / 65°

24% rain

Live weather alerts

Active NWS advisories near O'Fallon, MO

Monitoring

No active NWS alerts near this city right now.

Source: NWS alerts feed.

Get your home's score

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.

Home insurance quotes

Compare storm-friendly coverage options for your address.

Check rates

Roof & window protection

Time inspections and upgrades around your local risk season.

Find pros

Emergency prep essentials guide

Build a storm kit and action checklist in 30 minutes.

Open guide

Live hazard map

Radar, alerts, systems, SPC, gauges · O'Fallon, MO
Map loads when this section is in view.

Toggle live overlays with the toolbar to focus on current radar, alerts, and outlooks.