Current Weather Forecast for O'Fallon

MO 63368  |   3:11pm

Weather Conditions

98°

Feels Like 108°

Partly Cloudy

71° 99° HEAT ADVISORY

HEAT ADVISORY

7

UV Index

Moderate

Air Quality

SSW 5 mph

Wind

0 in

rain

Today

Fri 8/15

99°

Highest Temperature

2%

Sunshine and clouds mixed. High 99F. Winds light and variable.

Tonight

Fri 8/15

74°

Lowest Temperature

5%

Mainly clear. Low 74F. Winds light and variable.

Tomorrow

Sat 8/16

96°

Highest Temperature

5%

Mainly sunny. Hot. High 96F. Winds light and variable.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in O'Fallon

Hourly Weather Forecast & Temperature

4PM

1%

98°

Feels Like 107°

HEAT ADVISORY

Mostly Sunny

S 5 mph

Wind

1016 mb

Pressure

41%

Humidity

5

UV Index

10mi

Visibility

28%

Cloud Cover

5PM

2%

97°

Feels Like 106°

HEAT ADVISORY

Mostly Sunny

S 5 mph

Wind

1015 mb

Pressure

41%

Humidity

3

UV Index

10mi

Visibility

28%

Cloud Cover

6PM

96°

Feels Like 105°

HEAT ADVISORY

Mostly Sunny

SSE 4 mph

Wind

1016 mb

Pressure

44%

Humidity

1

UV Index

10mi

Visibility

29%

Cloud Cover

7PM

91°

Feels Like 100°

HEAT ADVISORY

Mostly Sunny

SSE 3 mph

Wind

1016 mb

Pressure

52%

Humidity

0

UV Index

10mi

Visibility

20%

Cloud Cover

8PM

88°

Feels Like 95°

HEAT ADVISORY

Mostly Clear

SSE 3 mph

Wind

1016 mb

Pressure

58%

Humidity

0

UV Index

10mi

Visibility

23%

Cloud Cover

9PM

1%

85°

Feels Like 91°

HEAT ADVISORY

Clear

SSE 3 mph

Wind

1016 mb

Pressure

65%

Humidity

0

UV Index

10mi

Visibility

19%

Cloud Cover

10PM

1%

83°

Feels Like 88°

HEAT ADVISORY

Clear

SSE 4 mph

Wind

1017 mb

Pressure

68%

Humidity

0

UV Index

10mi

Visibility

18%

Cloud Cover

11PM

1%

81°

Feels Like 86°

HEAT ADVISORY

Clear

S 4 mph

Wind

1017 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

10%

Cloud Cover

12AM

1%

80°

Feels Like 84°

HEAT ADVISORY

Clear

S 4 mph

Wind

1017 mb

Pressure

72%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

1AM

2%

79°

Feels Like 83°

HEAT ADVISORY

Clear

S 3 mph

Wind

1018 mb

Pressure

74%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

2AM

2%

79°

Feels Like 83°

HEAT ADVISORY

Clear

S 3 mph

Wind

1017 mb

Pressure

75%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

3AM

3%

77°

Feels Like 81°

HEAT ADVISORY

Clear

S 3 mph

Wind

1017 mb

Pressure

78%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

Fri 8/15

Fri

2%

71°

99°

Partly cloudy. Highs in the upper 90s and lows in the mid 70s.

107°

Feels Like

S 5 mph

Wind

43%

Humidity

7

UV Index

6:17 AM

Sunrise

7:57 PM

Sunset

Sat 8/16

Sat

5%

74°

96°

HEAT ADVISORY

Mainly sunny. Highs in the mid 90s and lows in the mid 70s.

105°

Feels Like

SSW 5 mph

Wind

59%

Humidity

9

UV Index

6:18 AM

Sunrise

7:55 PM

Sunset

Sun 8/17

Sun

9%

74°

97°

HEAT ADVISORY

More sun than clouds. Highs in the upper 90s and lows in the mid 70s.

105°

Feels Like

SSW 4 mph

Wind

58%

Humidity

9

UV Index

6:19 AM

Sunrise

7:54 PM

Sunset

Mon 8/18

Mon

5%

75°

97°

HEAT ADVISORY

More sun than clouds. Highs in the upper 90s and lows in the mid 70s.

103°

Feels Like

SSW 5 mph

Wind

55%

Humidity

9

UV Index

6:20 AM

Sunrise

7:52 PM

Sunset

Tue 8/19

Tue

24%

75°

93°

Plenty of sun. Highs in the low 90s and lows in the low 70s.

99°

Feels Like

WNW 5 mph

Wind

59%

Humidity

9

UV Index

6:21 AM

Sunrise

7:51 PM

Sunset

Wed 8/20

Wed

24%

71°

83°

More clouds than sun. Highs in the low 80s and lows in the upper 60s.

88°

Feels Like

N 9 mph

Wind

76%

Humidity

7

UV Index

6:21 AM

Sunrise

7:50 PM

Sunset

Thu 8/21

Thu

6%

67°

81°

Partly cloudy. Highs in the low 80s and lows in the mid 60s.

83°

Feels Like

NNE 8 mph

Wind

70%

Humidity

9

UV Index

6:22 AM

Sunrise

7:48 PM

Sunset

Fri 8/22

Fri

7%

65°

86°

Mainly sunny. Highs in the mid 80s and lows in the mid 60s.

87°

Feels Like

NNE 6 mph

Wind

65%

Humidity

9

UV Index

6:23 AM

Sunrise

7:47 PM

Sunset

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