O'Fallon, MO Daily Weather

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March 25 - April 23

Wed 3/25

80° /62°

Mostly sunny and warmer

RealFeel®79°

RealFeel Shade™77°

Max UV Index6.0 (High)

WindSSW 9 mph

Thu 3/26

94° /44°

Mostly sunny, breezy and hot; possible danger of dehydration and heatstroke while doing strenuous activities

RealFeel®93°

RealFeel Shade™90°

Max UV Index6.0 (High)

WindSW 14 mph

Fri 3/27

57° /30°

60%

Windy and cooler; cloudy in the morning with a couple of showers, then a blend of sunshine and clouds in the afternoon

RealFeel®54°

RealFeel Shade™50°

Max UV Index5.0 (Moderate)

WindN 16 mph

Sat 3/28

61° /45°

Plenty of sun

RealFeel®65°

RealFeel Shade™60°

Max UV Index6.0 (High)

WindSE 6 mph

Sun 3/29

71° /57°

Intervals of clouds and sunshine

RealFeel®69°

RealFeel Shade™69°

Max UV Index4.0 (Moderate)

WindS 10 mph

Mon 3/30

80° /58°

21%

Breezy in the morning; otherwise, partly sunny and warmer

RealFeel®81°

RealFeel Shade™77°

Max UV Index6.0 (High)

WindWSW 10 mph

Tue 3/31

80° /61°

18%

Sun and areas of high clouds and very warm

RealFeel®79°

RealFeel Shade™76°

Max UV Index3.0 (Moderate)

WindSSW 16 mph

Wed 4/1

77° /59°

Sun through high clouds and very warm

RealFeel®74°

RealFeel Shade™73°

Max UV Index4.0 (Moderate)

WindSSW 15 mph

Thu 4/2

75° /58°

75%

Cloudy and warm with showers

RealFeel®74°

RealFeel Shade™73°

Max UV Index2.0 (Low)

WindSSW 14 mph

Fri 4/3

77° /58°

Partly sunny and remaining warm

RealFeel®80°

RealFeel Shade™75°

Max UV Index5.0 (Moderate)

WindE 6 mph

Sat 4/4

74° /51°

75%

Remaining warm with rain

RealFeel®70°

RealFeel Shade™70°

Max UV Index1.0 (Low)

WindNE 4 mph

Sun 4/5

66° /46°

76%

Not as warm with rain

RealFeel®61°

RealFeel Shade™61°

Max UV Index1.0 (Low)

WindNE 13 mph

Mon 4/6

67° /45°

55%

A bit of morning rain; otherwise, cloudy

RealFeel®64°

RealFeel Shade™64°

Max UV Index2.0 (Low)

WindNNE 12 mph

Tue 4/7

64° /41°

81%

Cloudy with a couple of showers followed by a steadier rain

RealFeel®60°

RealFeel Shade™59°

Max UV Index2.0 (Low)

WindNNW 9 mph

Wed 4/8

57° /45°

25%

Clouds yielding to sun

RealFeel®58°

RealFeel Shade™53°

Max UV Index7.0 (High)

WindS 9 mph

Thu 4/9

69° /48°

20%

Mostly sunny

RealFeel®71°

RealFeel Shade™66°

Max UV Index7.0 (High)

WindSW 9 mph

Fri 4/10

70° /48°

25%

Cloudy

RealFeel®70°

RealFeel Shade™70°

Max UV Index2.0 (Low)

WindNNE 5 mph

Sat 4/11

67° /49°

25%

Mostly cloudy

RealFeel®67°

RealFeel Shade™64°

Max UV Index2.0 (Low)

WindESE 9 mph

Sun 4/12

70° /50°

25%

Mostly cloudy

RealFeel®68°

RealFeel Shade™68°

Max UV Index4.0 (Moderate)

WindS 10 mph

Mon 4/13

70° /50°

70%

Showers and thunderstorms in the morning; otherwise, mostly cloudy

RealFeel®69°

RealFeel Shade™67°

Max UV Index2.0 (Low)

WindS 16 mph

Tue 4/14

71° /49°

25%

Partly sunny

RealFeel®75°

RealFeel Shade™68°

Max UV Index7.0 (High)

WindSW 8 mph

Wed 4/15

69° /49°

Brilliant sunshine

RealFeel®73°

RealFeel Shade™66°

Max UV Index8.0 (Very High)

WindWSW 8 mph

Thu 4/16

71° /48°

20%

Mostly sunny

RealFeel®77°

RealFeel Shade™69°

Max UV Index8.0 (Very High)

WindW 5 mph

Fri 4/17

72° /50°

10%

Mostly sunny

RealFeel®74°

RealFeel Shade™69°

Max UV Index8.0 (Very High)

WindNNW 6 mph

Sat 4/18

71° /50°

60%

Considerable cloudiness; a morning shower in spots followed by a little rain in the afternoon

RealFeel®68°

RealFeel Shade™67°

Max UV Index2.0 (Low)

WindESE 6 mph

Sun 4/19

63° /49°

60%

Occasional rain

RealFeel®60°

RealFeel Shade™60°

Max UV Index2.0 (Low)

WindESE 9 mph

Mon 4/20

66° /50°

25%

Mostly cloudy

RealFeel®65°

RealFeel Shade™63°

Max UV Index4.0 (Moderate)

WindENE 10 mph

Tue 4/21

68° /45°

25%

Cloudy

RealFeel®66°

RealFeel Shade™66°

Max UV Index2.0 (Low)

WindE 9 mph

Wed 4/22

63° /46°

25%

Times of clouds and sun

RealFeel®70°

RealFeel Shade™61°

Max UV Index8.0 (Very High)

WindENE 6 mph

Thu 4/23

65° /44°

25%

Mostly cloudy

RealFeel®65°

RealFeel Shade™64°

Max UV Index4.0 (Moderate)

WindENE 8 mph

O'Fallon, MO

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