O'Fallon

+31° 88°

Feels like +40° 104°

Dewpoint +27° 81°

Clear
S

3 m/s 7 mph 11 kmh 2 Bft

Gust 5 m/s 11 mph 18 kmh 3 Bft

Clear

0 mm 0 in
Rain

77%
Rel. hum.

1019 hPa 30.1 inHg 764.4 mmHg
Pressure

5:39 AM 05:39
Sunrise
14 h 47 min
8:27 PM 20:27
Sunset
See Hourly Forecast

5 Day Forecast

Fri

Partly cloudy and showers

Max +36° 97°

Min +27° 81°

S 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0.54 in 13.7 mm

Sat

Cloudy, thunderstorms with rain

Max +33° 91°

Min +24° 75°

S 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.20 in 5.0 mm

Sun

Partly cloudy and showers

Max +32° 90°

Min +23° 73°

N 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.04 in 0.9 mm

Mon

Partly cloudy and showers

Max +31° 88°

Min +22° 72°

N 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.04 in 1.1 mm

Tue

Partly cloudy

Max +31° 88°

Min +22° 72°

NE 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0 in 0 mm

See 10 Day Forecast

Weather radar

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Active warnings 1 active weather warning See More

Weather for the week

Showers
Precipitation
Updated 7/3 9:01 AM 09:01
See detailed forecast for the upcoming week

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Nearest Observations

Belleville, Scott Afb/midamerica Airport

Clear +30° 85°
Clear
S 3 m/s 7 mph 11 kmh 2 Bft

Dewpoint 26° 79°

Rel. hum. 79 %

Feels like +36° 97°

Pressure 1019 hPa 30.1 inHg 764.4 mmHg

Visibility 16000 m 10 mi

25 minutes ago

Cahokia / St. Louis, St. Louis Downtown Airport

Clear +30° 86°
Clear

Dewpoint 25° 77°

Rel. hum. 75 %

Feels like +36° 97°

Pressure 1019 hPa 30.1 inHg 764.4 mmHg

Visibility 16000 m 10 mi

27 minutes ago

Alton/st. Louis, St. Louis Regional Airport

Clear +29° 84°
Clear
S 3 m/s 7 mph 11 kmh 2 Bft

Dewpoint 25° 77°

Rel. hum. 79 %

Feels like +35° 95°

Pressure 1020 hPa 30.1 inHg 765.1 mmHg

Visibility 16000 m 10 mi

30 minutes ago

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

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