Current Weather Forecast for O'Fallon

MO 63368  |   8:26pm

Weather Conditions

59°

Feels Like 59°

Clear

37° 69°

0

UV Index

Good

Air Quality

N 2 mph

Wind

0 in

rain

Tonight

Sun 4/19

40°

Lowest Temperature

5%

A few passing clouds, otherwise generally clear. Low around 40F. Winds light and variable.

Tomorrow

Mon 4/20

73°

Highest Temperature

3%

Mainly sunny. High 73F. Winds SE at 5 to 10 mph.

Tomorrow night

Mon 4/20

52°

Lowest Temperature

3%

A few clouds overnight. Low 52F. Winds S at 5 to 10 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in O'Fallon

Hourly Weather Forecast & Temperature

9PM

57°

Feels Like 57°

Clear

NNE 2 mph

Wind

1023 mb

Pressure

49%

Humidity

0

UV Index

10mi

Visibility

0%

Cloud Cover

10PM

1%

54°

Feels Like 54°

Clear

NE 3 mph

Wind

1024 mb

Pressure

54%

Humidity

0

UV Index

10mi

Visibility

0%

Cloud Cover

11PM

1%

52°

Feels Like 52°

Mostly Clear

NE 3 mph

Wind

1024 mb

Pressure

58%

Humidity

0

UV Index

10mi

Visibility

20%

Cloud Cover

12AM

1%

50°

Feels Like 49°

Partly Cloudy

NE 4 mph

Wind

1025 mb

Pressure

57%

Humidity

0

UV Index

10mi

Visibility

40%

Cloud Cover

1AM

2%

48°

Feels Like 47°

Partly Cloudy

NE 4 mph

Wind

1026 mb

Pressure

59%

Humidity

0

UV Index

10mi

Visibility

59%

Cloud Cover

2AM

2%

47°

Feels Like 46°

Partly Cloudy

ENE 4 mph

Wind

1026 mb

Pressure

60%

Humidity

0

UV Index

10mi

Visibility

45%

Cloud Cover

3AM

3%

45°

Feels Like 43°

Partly Cloudy

ENE 4 mph

Wind

1026 mb

Pressure

63%

Humidity

0

UV Index

10mi

Visibility

37%

Cloud Cover

4AM

5%

44°

Feels Like 42°

Mostly Clear

ENE 3 mph

Wind

1026 mb

Pressure

64%

Humidity

0

UV Index

10mi

Visibility

20%

Cloud Cover

5AM

3%

42°

Feels Like 42°

Clear

ENE 2 mph

Wind

1026 mb

Pressure

68%

Humidity

0

UV Index

10mi

Visibility

15%

Cloud Cover

6AM

3%

41°

Feels Like 41°

Clear

ENE 2 mph

Wind

1027 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

10%

Cloud Cover

7AM

3%

42°

Feels Like 42°

Sunny

E 2 mph

Wind

1027 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

8AM

1%

46°

Feels Like 44°

Sunny

E 5 mph

Wind

1028 mb

Pressure

60%

Humidity

1

UV Index

10mi

Visibility

1%

Cloud Cover

Sun 4/19

Sun

5%

37°

69°

A few clouds. Lows overnight in the low 40s.

40°

Feels Like

NE 4 mph

Wind

58%

Humidity

0

UV Index

6:21 AM

Sunrise

7:43 PM

Sunset

Mon 4/20

Mon

3%

40°

73°

Sunny. Highs in the low 70s and lows in the low 50s.

73°

Feels Like

SE 8 mph

Wind

43%

Humidity

7

UV Index

6:19 AM

Sunrise

7:44 PM

Sunset

Tue 4/21

Tue

1%

52°

82°

Times of sun and clouds. Highs in the low 80s and lows in the upper 50s.

82°

Feels Like

SW 16 mph

Wind

42%

Humidity

8

UV Index

6:18 AM

Sunrise

7:45 PM

Sunset

Wed 4/22

Wed

4%

57°

82°

Plenty of sun. Highs in the low 80s and lows in the upper 50s.

82°

Feels Like

SW 9 mph

Wind

53%

Humidity

8

UV Index

6:16 AM

Sunrise

7:46 PM

Sunset

Thu 4/23

Thu

4%

57°

83°

Mix of sun and clouds. Highs in the low 80s and lows in the low 60s.

83°

Feels Like

S 17 mph

Wind

53%

Humidity

8

UV Index

6:15 AM

Sunrise

7:47 PM

Sunset

Fri 4/24

Fri

89%

58°

71°

Thunderstorms. Highs in the low 70s and lows in the low 50s.

71°

Feels Like

SW 9 mph

Wind

74%

Humidity

5

UV Index

6:14 AM

Sunrise

7:48 PM

Sunset

Sat 4/25

Sat

18%

51°

72°

Times of sun and clouds. Highs in the low 70s and lows in the upper 40s.

72°

Feels Like

N 9 mph

Wind

55%

Humidity

7

UV Index

6:12 AM

Sunrise

7:49 PM

Sunset

Sun 4/26

Sun

24%

49°

73°

Times of sun and clouds. Highs in the low 70s and lows in the low 50s.

73°

Feels Like

E 10 mph

Wind

55%

Humidity

7

UV Index

6:11 AM

Sunrise

7:50 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from Missouri

Severe storms reload across Plains with renewed threats of large hail and tornadoes late this week

From Oklahoma north into parts of the Upper Midwest, another stormy pattern is taking shape as severe threats brew—with large hail, damaging winds and tornadoes all possible.

Devastating damage reported across multiple states after tornado outbreak hammers the Midwest

Several states across the Midwest have reported damage from confirmed tornadoes, as a severe weather outbreak tore through the region.

Severe storms target 130M from Texas to New England after Midwest blasted by tornadoes and hail

Over 130 million people across more than 12 states were hit with another round of severe weather on Wednesday. This follows Tuesday's storms that produced tornadoes across southern Wisconsin and damaging wind gusts from Texas to New England.

Dangerous tornadoes and hail slam the Midwest, Plains as severe weather expands over 130M

There were numerous confirmed tornadoes Tuesday across a corridor stretching from eastern Iowa into southern Wisconsin and northern Illinois.

Load More Stories