O'Fallon

+36° 97°

Feels like +42° 108°

Dewpoint +23° 73°

Mostly clear
SW

2 m/s 4 mph 7 kmh 2 Bft

Gust 3 m/s 7 mph 11 kmh 2 Bft

Mostly clear

0 mm 0 in
Rain

48%
Rel. hum.

1020 hPa 30.1 inHg 765.1 mmHg
Pressure

6:42 AM 06:42
Sunrise
12 h 22 min
7:05 PM 19:05
Sunset
See Hourly Forecast

5 Day Forecast

Thu

Mostly clear

Max +37° 99°

Min +27° 81°

SW 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0 in 0 mm

Fri

Partly cloudy and light rain

Max +34° 93°

Min +23° 73°

E 2 mph 4 kmh 1 Bft 1 m/s

Precipitation 0.04 in 1.0 mm

Sat

Cloudy and light rain

Max +35° 95°

Min +22° 72°

SE 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.02 in 0.5 mm

Sun

Partly cloudy

Max +33° 91°

Min +22° 72°

N 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.12 in 3.0 mm

Mon

Cloudy, thunderstorms with rain

Max +28° 82°

Min +19° 66°

N 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.90 in 22.9 mm

See 10 Day Forecast

Weather radar

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Active warnings 2 active weather warnings See More

Weather for the week

Showers
Precipitation
Updated 9/18 4:30 PM 16:30
See detailed forecast for the upcoming week

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Nearest Observations

Belleville, Scott Afb/midamerica Airport

Clear +36° 97°
Clear
S 2 m/s 4 mph 7 kmh 2 Bft

Dewpoint 21° 70°

Rel. hum. 45 %

Feels like +42° 108°

Pressure 1020 hPa 30.1 inHg 765.1 mmHg

Visibility 16000 m 10 mi

38 minutes ago

Cahokia / St. Louis, St. Louis Downtown Airport

Clear +36° 97°
Clear

Dewpoint 21° 70°

Rel. hum. 42 %

Feels like +40° 104°

Pressure 1020 hPa 30.1 inHg 765 mmHg

Visibility 16000 m 10 mi

40 minutes ago

Alton/st. Louis, St. Louis Regional Airport

Clear +36° 97°
Clear
S 3 m/s 7 mph 11 kmh 2 Bft

Dewpoint 21° 70°

Rel. hum. 42 %

Feels like +40° 104°

Pressure 1021 hPa 30.2 inHg 765.8 mmHg

Visibility 16000 m 10 mi

48 minutes ago

Nearest observations show current weather observations from your nearest weather stations.

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