Current Weather Forecast for O'Fallon

IL 62269  |   7:02pm

Weather Conditions

42°

Feels Like 33°

Cloudy

36° 72°

0

UV Index

Good

Air Quality

NW 18 mph

Wind

0 in

rain

Tonight

Wed 3/11

29°

Lowest Temperature

5%

Cloudy early, becoming mostly clear after midnight. Low 29F. Winds NW at 15 to 25 mph.

Tomorrow

Thu 3/12

54°

Highest Temperature

5%

Except for a few afternoon clouds, mainly sunny. High 54F. Winds WSW at 10 to 15 mph.

Tomorrow night

Thu 3/12

44°

Lowest Temperature

A few clouds. Low 44F. Winds SSW at 15 to 25 mph. Higher wind gusts possible.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in O'Fallon

Hourly Weather Forecast & Temperature

8PM

1%

41°

Feels Like 32°

Cloudy

NNW 18 mph

Wind

1022 mb

Pressure

74%

Humidity

0

UV Index

10mi

Visibility

82%

Cloud Cover

9PM

1%

41°

Feels Like 32°

Mostly Cloudy

NNW 17 mph

Wind

1023 mb

Pressure

72%

Humidity

0

UV Index

10mi

Visibility

74%

Cloud Cover

10PM

1%

40°

Feels Like 32°

Partly Cloudy

NNW 16 mph

Wind

1024 mb

Pressure

72%

Humidity

0

UV Index

10mi

Visibility

50%

Cloud Cover

11PM

1%

39°

Feels Like 31°

Partly Cloudy

NNW 13 mph

Wind

1025 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

39%

Cloud Cover

12AM

1%

38°

Feels Like 31°

Mostly Clear

NNW 12 mph

Wind

1025 mb

Pressure

68%

Humidity

0

UV Index

10mi

Visibility

28%

Cloud Cover

1AM

1%

37°

Feels Like 30°

Clear

NNW 10 mph

Wind

1026 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

19%

Cloud Cover

2AM

3%

36°

Feels Like 29°

Clear

NW 9 mph

Wind

1026 mb

Pressure

70%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

3AM

3%

35°

Feels Like 28°

Clear

NNW 7 mph

Wind

1027 mb

Pressure

73%

Humidity

0

UV Index

10mi

Visibility

5%

Cloud Cover

4AM

4%

33°

Feels Like 28°

Clear

NW 5 mph

Wind

1027 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

5AM

4%

32°

Feels Like 27°

Clear

NW 4 mph

Wind

1027 mb

Pressure

80%

Humidity

0

UV Index

10mi

Visibility

0%

Cloud Cover

6AM

5%

30°

Feels Like 27°

Clear

NW 3 mph

Wind

1027 mb

Pressure

85%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

7AM

5%

30°

Feels Like 27°

Clear

WNW 3 mph

Wind

1027 mb

Pressure

85%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

Wed 3/11

Wed

5%

36°

72°

Skies clearing late. Lows overnight in the upper 20s.

27°

Feels Like

NW 19 mph

Wind

74%

Humidity

0

UV Index

7:16 AM

Sunrise

7:02 PM

Sunset

Thu 3/12

Thu

5%

29°

54°

Plenty of sun. Highs in the mid 50s and lows in the mid 40s.

27°

Feels Like

WSW 11 mph

Wind

51%

Humidity

5

UV Index

7:15 AM

Sunrise

7:03 PM

Sunset

Fri 3/13

Fri

40°

62°

Mix of sun and clouds. Highs in the low 60s and lows in the mid 30s.

40°

Feels Like

WNW 16 mph

Wind

38%

Humidity

5

UV Index

7:13 AM

Sunrise

7:04 PM

Sunset

Sat 3/14

Sat

2%

35°

65°

Mix of sun and clouds. Highs in the mid 60s and lows in the mid 50s.

65°

Feels Like

ESE 13 mph

Wind

46%

Humidity

4

UV Index

7:12 AM

Sunrise

7:05 PM

Sunset

Sun 3/15

Sun

90%

29°

61°

Showers and thunderstorms. Highs in the low 60s and lows in the upper teens.

40°

Feels Like

SW 20 mph

Wind

80%

Humidity

2

UV Index

7:10 AM

Sunrise

7:06 PM

Sunset

Mon 3/16

Mon

6%

18°

31°

Times of sun and clouds. Highs in the low 30s and lows in the low teens.

5°

Feels Like

NW 19 mph

Wind

52%

Humidity

5

UV Index

7:09 AM

Sunrise

7:07 PM

Sunset

Tue 3/17

Tue

13°

37°

Partly cloudy. Highs in the upper 30s and lows in the upper 20s.

7°

Feels Like

WSW 7 mph

Wind

45%

Humidity

5

UV Index

7:07 AM

Sunrise

7:08 PM

Sunset

Wed 3/18

Wed

5%

28°

58°

Times of sun and clouds. Highs in the upper 50s and lows in the upper 30s.

23°

Feels Like

S 11 mph

Wind

57%

Humidity

5

UV Index

7:05 AM

Sunrise

7:09 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from Illinois

2 killed after powerful tornado rips through Indiana, leaving 'total devastation' amid severe weather outbreak

A powerful tornado barreled into Lake Village, Indiana Tuesday night, killing at least two people. The twister injured several others, destroyed homes and snapped power poles in what first responders called "total devastation."

Photos: Deadly tornadoes, massive hail, heavy rain rip through Midwest, Southern Plains, killing at least two

Life-threatening storms erupted across the Midwest and Southern Plains Tuesday, hurling grapefruit-size hail, drenching downpours that triggered dangerous flooding, and spawning powerful tornadoes — leaving a trail of widespread destruction.

Life-threatening tornado rips through parts of Illinois as severe weather lashes the Heartland

Severe weather devastated parts of Illinois on Tuesday as at least one tornado and large hail impacted the region. The tornado ripped through Kankakee County, causing mass destruction to everything in its path.

Vicious tornadoes tear through Midwest as severe weather outbreak slams 10+ states, days after deadly storms

A vicious severe weather outbreak is tearing through the Heartland as intense tornadoes and monster hail pounds the Midwest just days after last week’s fatal outbreak.

Load More Stories