O'Fallon

+23° 73°

Feels like +24° 75°

Dewpoint +21° 70°

Overcast
S

1 m/s 2 mph 4 kmh 1 Bft

Gust 4 m/s 9 mph 14 kmh 3 Bft

Overcast

0 mm 0 in
Rain

87%
Rel. hum.

1014 hPa 30 inHg 760.9 mmHg
Pressure

5:44 AM 05:44
Sunrise
14 h 40 min
8:25 PM 20:25
Sunset
See Hourly Forecast

5 Day Forecast

Sat

Cloudy, thunderstorms with rain

Max +25° 77°

Min +22° 72°

N 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.64 in 16.2 mm

Sun

Partly cloudy and light rain

Max +29° 84°

Min +21° 70°

NE 9 mph 14 kmh 3 Bft 4 m/s

Precipitation 0.02 in 0.4 mm

Mon

Clear

Max +30° 86°

Min +20° 68°

NE 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0 in 0 mm

Tue

Clear

Max +31° 88°

Min +21° 70°

NE 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0 in 0 mm

Wed

Partly cloudy and light rain

Max +32° 90°

Min +23° 73°

E 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.01 in 0.4 mm

See 10 Day Forecast

Weather radar

See Radar

Weather for the week

Showers
Precipitation
Updated 7/11 11:51 AM 11:51
See detailed forecast for the upcoming week

Last visited

Your favorites

Nearest Observations

Belleville, Scott Afb/midamerica Airport

Cloudy +25° 77°
Cloudy
W 2 m/s 4 mph 7 kmh 2 Bft

Dewpoint 23° 73°

Rel. hum. 94 %

Feels like +25° 77°

Pressure 1015 hPa 30 inHg 761.5 mmHg

Visibility 16000 m 10 mi

1 hour ago

Cahokia / St. Louis, St. Louis Downtown Airport

Overcast +24° 76°
Overcast

Dewpoint 22° 72°

Rel. hum. 89 %

Feels like +24° 75°

Pressure 1015 hPa 30 inHg 761.5 mmHg

Visibility 16000 m 10 mi

37 minutes ago

Alton/st. Louis, St. Louis Regional Airport

Overcast +23° 73°
Overcast
NW 1 m/s 2 mph 4 kmh 1 Bft

Dewpoint 22° 72°

Rel. hum. 94 %

Feels like +23° 73°

Pressure 1016 hPa 30 inHg 762.3 mmHg

Visibility 4800 m 3 mi

8 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! »