O'Fallon

+28° 82°

Feels like +31° 88°

Dewpoint +22° 72°

Clear
SW

3 m/s 7 mph 11 kmh 2 Bft

Gust 6 m/s 13 mph 22 kmh 4 Bft

Clear

0 mm 0 in
Rain

71%
Rel. hum.

1023 hPa 30.2 inHg 767.4 mmHg
Pressure

6:42 AM 06:42
Sunrise
12 h 22 min
7:05 PM 19:05
Sunset
See Hourly Forecast

5 Day Forecast

Thu

Partly cloudy and showers

Max +37° 99°

Min +27° 81°

W 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.05 in 1.2 mm

Fri

Partly cloudy, possible thunderstorms with rain

Max +34° 93°

Min +23° 73°

SE 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0.05 in 1.4 mm

Sat

Partly cloudy

Max +36° 97°

Min +22° 72°

SW 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0 in 0 mm

Sun

Mostly clear

Max +35° 95°

Min +20° 68°

SE 4 mph 7 kmh 2 Bft 2 m/s

Precipitation 0 in 0 mm

Mon

Cloudy, thunderstorms with rain

Max +29° 84°

Min +20° 68°

NE 7 mph 11 kmh 2 Bft 3 m/s

Precipitation 0.31 in 7.8 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 9/17 9:01 AM 09:01
See detailed forecast for the upcoming week

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Nearest Observations

Belleville, Scott Afb/midamerica Airport

Clear +25° 77°
Clear

Dewpoint 24° 75°

Rel. hum. 94 %

Feels like +25° 77°

Pressure 1023 hPa 30.2 inHg 767.3 mmHg

Visibility 16000 m 10 mi

1 hour ago

Cahokia / St. Louis, St. Louis Downtown Airport

Clear +27° 81°
Clear

Dewpoint 21° 70°

Rel. hum. 70 %

Feels like +29° 84°

Pressure 1023 hPa 30.2 inHg 767.6 mmHg

Visibility 13000 m 8 mi

14 minutes ago

Alton/st. Louis, St. Louis Regional Airport

Clear +27° 81°
Clear
SW 3 m/s 7 mph 11 kmh 2 Bft

Dewpoint 21° 70°

Rel. hum. 70 %

Feels like +29° 84°

Pressure 1024 hPa 30.2 inHg 767.8 mmHg

Visibility 16000 m 10 mi

17 minutes ago

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

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