O'Fallon, MO Daily Weather

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March 30 - April 28

Mon 3/30

87° /63°

Windy and warmer with brilliant sunshine

RealFeel®86°

RealFeel Shade™83°

Max UV Index6.0 (High)

WindSSW 16 mph

Tue 3/31

88° /57°

18%

Partly sunny, windy and very warm

RealFeel®87°

RealFeel Shade™84°

Max UV Index6.0 (High)

WindSSW 15 mph

Wed 4/1

69° /64°

88%

Mostly cloudy and cooler with a couple of showers and a thunderstorm; there can be ponding on streets and highways

RealFeel®68°

RealFeel Shade™65°

Max UV Index3.0 (Moderate)

WindS 12 mph

Thu 4/2

74° /60°

95%

Cloudy, windy and humid with a couple of showers and a heavy thunderstorm; thunderstorms can bring hail and damaging winds

RealFeel®72°

RealFeel Shade™70°

Max UV Index2.0 (Low)

WindS 17 mph

Fri 4/3

82° /64°

55%

Mostly cloudy and very warm with widely separated thunderstorms

RealFeel®81°

RealFeel Shade™78°

Max UV Index3.0 (Moderate)

WindSE 8 mph

Sat 4/4

68° /42°

99%

Cloudy, breezy and cooler with showers in the afternoon

RealFeel®65°

RealFeel Shade™65°

Max UV Index2.0 (Low)

WindSW 14 mph

Sun 4/5

54° /36°

Partial sunshine

RealFeel®59°

RealFeel Shade™52°

Max UV Index7.0 (High)

WindWNW 8 mph

Mon 4/6

60° /39°

Plenty of sunshine

RealFeel®70°

RealFeel Shade™61°

Max UV Index7.0 (High)

WindENE 1 mph

Tue 4/7

66° /44°

Mostly cloudy in the morning followed by sun through high clouds

RealFeel®66°

RealFeel Shade™64°

Max UV Index4.0 (Moderate)

WindSE 6 mph

Wed 4/8

65° /47°

Plenty of sun

RealFeel®70°

RealFeel Shade™63°

Max UV Index7.0 (High)

WindS 6 mph

Thu 4/9

72° /50°

Plenty of sun

RealFeel®75°

RealFeel Shade™70°

Max UV Index7.0 (High)

WindNE 7 mph

Fri 4/10

67° /46°

56%

Mostly cloudy; a little morning rain followed by a passing shower in the afternoon

RealFeel®74°

RealFeel Shade™66°

Max UV Index4.0 (Moderate)

WindSSE 4 mph

Sat 4/11

64° /46°

55%

A bit of rain in the morning; otherwise, mostly cloudy

RealFeel®65°

RealFeel Shade™61°

Max UV Index4.0 (Moderate)

WindNNW 10 mph

Sun 4/12

66° /42°

73%

Cloudy with a couple of showers and a thunderstorm in the afternoon

RealFeel®65°

RealFeel Shade™65°

Max UV Index2.0 (Low)

WindSSW 10 mph

Mon 4/13

69° /48°

25%

Cloudy and less humid

RealFeel®68°

RealFeel Shade™68°

Max UV Index2.0 (Low)

WindNNE 7 mph

Tue 4/14

65° /43°

20%

More sun than clouds

RealFeel®76°

RealFeel Shade™63°

Max UV Index8.0 (Very High)

WindWNW 5 mph

Wed 4/15

63° /37°

25%

Cloudy

RealFeel®66°

RealFeel Shade™65°

Max UV Index3.0 (Moderate)

WindNE 7 mph

Thu 4/16

57° /43°

75%

Cloudy with a couple of showers followed by a steadier rain

RealFeel®53°

RealFeel Shade™53°

Max UV Index2.0 (Low)

WindSE 8 mph

Fri 4/17

59° /48°

65%

Rain

RealFeel®56°

RealFeel Shade™56°

Max UV Index2.0 (Low)

WindE 9 mph

Sat 4/18

61° /48°

55%

A thick cloud cover with occasional rain

RealFeel®58°

RealFeel Shade™57°

Max UV Index2.0 (Low)

WindWNW 8 mph

Sun 4/19

62° /45°

78%

Considerable cloudiness with afternoon rain

RealFeel®61°

RealFeel Shade™56°

Max UV Index5.0 (Moderate)

WindSSE 8 mph

Mon 4/20

62° /43°

Abundant sunshine

RealFeel®66°

RealFeel Shade™59°

Max UV Index8.0 (Very High)

WindWSW 8 mph

Tue 4/21

68° /44°

25%

Mostly cloudy

RealFeel®67°

RealFeel Shade™64°

Max UV Index2.0 (Low)

WindWNW 12 mph

Wed 4/22

62° /41°

Plenty of sunshine

RealFeel®73°

RealFeel Shade™62°

Max UV Index8.0 (Very High)

WindWSW 4 mph

Thu 4/23

64° /49°

78%

Cloudy with a couple of showers followed by a steadier rain

RealFeel®58°

RealFeel Shade™58°

Max UV Index2.0 (Low)

WindSE 12 mph

Fri 4/24

71° /54°

25%

Cloudy

RealFeel®69°

RealFeel Shade™69°

Max UV Index3.0 (Moderate)

WindSSW 15 mph

Sat 4/25

73° /49°

65%

Partial sunshine with a couple of showers and a thunderstorm in the afternoon

RealFeel®80°

RealFeel Shade™72°

Max UV Index9.0 (Very High)

WindS 8 mph

Sun 4/26

74° /45°

25%

Less humid with sunshine and a few clouds

RealFeel®77°

RealFeel Shade™71°

Max UV Index9.0 (Very High)

WindW 10 mph

Mon 4/27

64° /45°

20%

Mostly sunny and cooler

RealFeel®68°

RealFeel Shade™60°

Max UV Index9.0 (Very High)

WindSSW 8 mph

Tue 4/28

74° /54°

55%

A thick cloud cover; a couple of morning showers followed by a thunderstorm in spots in the afternoon

RealFeel®70°

RealFeel Shade™70°

Max UV Index2.0 (Low)

WindS 9 mph

O'Fallon, MO

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Mon 3/30

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