O'Fallon

+24° 75°

Feels like +25° 77°

Dewpoint +23° 73°

Clear
NE

1 m/s 2 mph 4 kmh 1 Bft

Gust 3 m/s 7 mph 11 kmh 2 Bft

Clear

0 mm 0 in
Rain

99%
Rel. hum.

1020 hPa 30.1 inHg 765.1 mmHg
Pressure

6:43 AM 06:43
Sunrise
12 h 19 min
7:03 PM 19:03
Sunset
See Hourly Forecast

5 Day Forecast

Fri

Partly cloudy and light rain

Max +35° 95°

Min +23° 73°

SE 2 mph 4 kmh 1 Bft 1 m/s

Precipitation 0.16 in 4.0 mm

Sat

Cloudy

Max +35° 95°

Min +22° 72°

W 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0 in 0 mm

Sun

Cloudy

Max +32° 90°

Min +22° 72°

N 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.07 in 1.8 mm

Mon

Overcast, thunderstorms with rain

Max +27° 81°

Min +19° 66°

NW 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.38 in 9.7 mm

Tue

Overcast and light rain

Max +22° 72°

Min +16° 61°

N 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0.02 in 0.5 mm

See 10 Day Forecast

Weather radar

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Active warnings 2 active weather warnings See More

Weather for the week

Showers
Precipitation
Updated 9/18 4:30 AM 04:30
See detailed forecast for the upcoming week

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Nearest Observations

Belleville, Scott Afb/midamerica Airport

Clear +24° 75°
Clear

Dewpoint 23° 73°

Rel. hum. 100 %

Feels like +24° 75°

Pressure 1020 hPa 30.1 inHg 764.9 mmHg

Visibility 16000 m 10 mi

37 minutes ago

Cahokia / St. Louis, St. Louis Downtown Airport

Clear +23° 74°
Clear

Dewpoint 22° 72°

Rel. hum. 94 %

Feels like +23° 73°

Pressure 1020 hPa 30.1 inHg 765 mmHg

Visibility 16000 m 10 mi

39 minutes ago

Alton/st. Louis, St. Louis Regional Airport

Clear +23° 73°
Clear

Dewpoint 21° 70°

Rel. hum. 94 %

Feels like +23° 73°

Pressure 1021 hPa 30.2 inHg 765.8 mmHg

Visibility 16000 m 10 mi

17 minutes ago

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