O'Fallon

+31° 88°

Feels like +38° 100°

Dewpoint +25° 77°

Cloudy
S

5 m/s 11 mph 18 kmh 3 Bft

Gust 9 m/s 20 mph 32 kmh 5 Bft

Cloudy

0 mm 0 in
Rain

72%
Rel. hum.

1015 hPa 30 inHg 761.6 mmHg
Pressure

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

5 Day Forecast

Mon

Partly cloudy

Max +34° 93°

Min +28° 82°

S 9 mph 14 kmh 3 Bft 4 m/s

Precipitation 0 in 0 mm

Tue

Mostly clear

Max +36° 97°

Min +24° 75°

S 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0 in 0 mm

Wed

Mostly 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 and showers

Max +34° 93°

Min +24° 75°

S 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0.02 in 0.6 mm

Fri

Partly cloudy, possible thunderstorms with rain

Max +33° 91°

Min +25° 77°

N 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.14 in 3.7 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 6/29 11:30 AM 11:30
See detailed forecast for the upcoming week

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Nearest Observations

Belleville, Scott Afb/midamerica Airport

Clear +32° 89°
Clear
SW 5 m/s 11 mph 18 kmh 3 Bft

Dewpoint 26° 79°

Rel. hum. 75 %

Feels like +41° 106°

Pressure 1015 hPa 30 inHg 761.1 mmHg

Visibility 16000 m 10 mi

40 minutes ago

Cahokia / St. Louis, St. Louis Downtown Airport

Clear +31° 87°
Clear
S 3 m/s 7 mph 11 kmh 2 Bft

Dewpoint 24° 75°

Rel. hum. 66 %

Feels like +36° 97°

Pressure 1015 hPa 30 inHg 760.9 mmHg

Visibility 16000 m 10 mi

42 minutes ago

Alton/st. Louis, St. Louis Regional Airport

Clear +30° 86°
Clear
S 6 m/s 13 mph 22 kmh 4 Bft

Dewpoint 25° 77°

Rel. hum. 75 %

Feels like +36° 97°

Pressure 1015 hPa 30 inHg 761.5 mmHg

Visibility 16000 m 10 mi

45 minutes ago

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

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