O'Fallon

+26° 79°

Feels like +28° 82°

Dewpoint +23° 73°

Partly cloudy
NE

2 m/s 4 mph 7 kmh 2 Bft

Gust 3 m/s 7 mph 11 kmh 2 Bft

Partly cloudy

0 mm 0 in
Rain

84%
Rel. hum.

1015 hPa 30 inHg 761.5 mmHg
Pressure

5:41 AM 05:41
Sunrise
14 h 45 min
8:27 PM 20:27
Sunset
See Hourly Forecast

5 Day Forecast

Mon

Mostly clear

Max +30° 86°

Min +25° 77°

N 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0 in 0 mm

Tue

Cloudy, thunderstorms with rain

Max +29° 84°

Min +22° 72°

N 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.08 in 2.1 mm

Wed

Partly cloudy and showers

Max +32° 90°

Min +21° 70°

S 2 mph 4 kmh 1 Bft 1 m/s

Precipitation 0.13 in 3.4 mm

Thu

Partly cloudy, possible thunderstorms with rain

Max +33° 91°

Min +22° 72°

S 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0.11 in 2.9 mm

Fri

Cloudy, thunderstorms with rain

Max +31° 88°

Min +23° 73°

NW 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0.43 in 10.9 mm

See 10 Day Forecast

Weather radar

See Radar

Weather for the week

Showers
Precipitation
Updated 7/7 9:02 PM 21:02
See detailed forecast for the upcoming week

Last visited

Your favorites

Nearest Observations

Belleville, Scott Afb/midamerica Airport

Clear +26° 78°
Clear

Dewpoint 22° 72°

Rel. hum. 84 %

Feels like +26° 79°

Pressure 1015 hPa 30 inHg 761.4 mmHg

Visibility 16000 m 10 mi

32 minutes ago

Cahokia / St. Louis, St. Louis Downtown Airport

Clear +26° 79°
Clear
E 2 m/s 4 mph 7 kmh 2 Bft

Dewpoint 21° 70°

Rel. hum. 79 %

Feels like +26° 79°

Pressure 1016 hPa 30 inHg 761.7 mmHg

Visibility 16000 m 10 mi

34 minutes ago

Alton/st. Louis, St. Louis Regional Airport

Partly cloudy +26° 79°
Partly cloudy
N 2 m/s 4 mph 7 kmh 2 Bft

Dewpoint 21° 70°

Rel. hum. 74 %

Feels like +26° 79°

Pressure 1017 hPa 30 inHg 762.5 mmHg

Visibility 16000 m 10 mi

37 minutes ago

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

Send Feedback See active warnings

Dismiss
Check out our brand new and fast US-optimized ForecaWeather.com weather site! »