O'Fallon

+33° 91°

Feels like +43° 109°

Dewpoint +27° 81°

Cloudy
S

4 m/s 9 mph 14 kmh 3 Bft

Gust 7 m/s 16 mph 25 kmh 4 Bft

Cloudy

0 mm 0 in
Rain

68%
Rel. hum.

1012 hPa 29.9 inHg 758.9 mmHg
Pressure

5:37 AM 05:37
Sunrise
14 h 50 min
8:28 PM 20:28
Sunset
See Hourly Forecast

5 Day Forecast

Sun

Mostly clear

Max +34° 93°

Min +28° 82°

S 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0.01 in 0.1 mm

Mon

Partly cloudy

Max +35° 95°

Min +24° 75°

S 9 mph 14 kmh 3 Bft 4 m/s

Precipitation 0 in 0 mm

Tue

Clear

Max +36° 97°

Min +24° 75°

S 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0 in 0 mm

Wed

Clear

Max +35° 95°

Min +24° 75°

S 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0 in 0 mm

Thu

Partly cloudy, possible thunderstorms with rain

Max +34° 93°

Min +25° 77°

S 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0.04 in 1.0 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 6/28 1:01 PM 13:01
See detailed forecast for the upcoming week

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Nearest Observations

Belleville, Scott Afb/midamerica Airport

Mostly clear +33° 92°
Mostly clear
S 5 m/s 11 mph 18 kmh 3 Bft

Dewpoint 26° 79°

Rel. hum. 71 %

Feels like +44° 111°

Pressure 1011 hPa 29.9 inHg 758.3 mmHg

Visibility 16000 m 10 mi

31 minutes ago

Cahokia / St. Louis, St. Louis Downtown Airport

Clear +33° 91°
Clear
S 4 m/s 9 mph 14 kmh 3 Bft

Dewpoint 25° 77°

Rel. hum. 63 %

Feels like +40° 104°

Pressure 1011 hPa 29.8 inHg 757.9 mmHg

Visibility 16000 m 10 mi

33 minutes ago

Alton/st. Louis, St. Louis Regional Airport

Partly cloudy +32° 90°
Partly cloudy
S 5 m/s 11 mph 18 kmh 3 Bft

Dewpoint 25° 77°

Rel. hum. 67 %

Feels like +39° 102°

Pressure 1012 hPa 29.9 inHg 759 mmHg

Visibility 16000 m 10 mi

36 minutes ago

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

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