O&#x27;Fallon, MO

Plenty of sunshine, but cool

RealFeel®66°

RealFeel Shade™57°

Max UV Index9 (Very High)

WindNNW 9 mph

Sun 5/4

65° /44°

Partly sunny

RealFeel®68°

RealFeel Shade™63°

Max UV Index6 (High)

WindNNE 8 mph

Mon 5/5

70° /49°

11%

Increasing clouds

RealFeel®72°

RealFeel Shade™67°

Max UV Index9 (Very High)

WindNNE 8 mph

Tue 5/6

74° /53°

Rather cloudy

RealFeel®75°

RealFeel Shade™74°

Max UV Index4 (Moderate)

WindWNW 4 mph

Wed 5/7

76° /53°

Considerable cloudiness

RealFeel®79°

RealFeel Shade™77°

Max UV Index4 (Moderate)

WindSE 2 mph

Thu 5/8

74° /49°

14%

Cloudy most of the time

RealFeel®74°

RealFeel Shade™72°

Max UV Index6 (High)

WindESE 7 mph

Fri 5/9

76° /56°

57%

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

RealFeel®74°

RealFeel Shade™73°

Max UV Index3 (Moderate)

WindE 9 mph

Sat 5/10

80° /56°

60%

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

RealFeel®79°

RealFeel Shade™77°

Max UV Index3 (Moderate)

WindE 12 mph

Sun 5/11

79° /57°

55%

Low clouds with a little rain in the afternoon

RealFeel®78°

RealFeel Shade™77°

Max UV Index2 (Low)

WindNNE 8 mph

Mon 5/12

76° /56°

Mostly sunny

RealFeel®81°

RealFeel Shade™74°

Max UV Index10 (Very High)

WindNNE 8 mph

Tue 5/13

77° /59°

Plenty of sunshine

RealFeel®85°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindENE 2 mph

Wed 5/14

75° /53°

77%

Mostly cloudy with showers and thunderstorms, mainly later

RealFeel®77°

RealFeel Shade™73°

Max UV Index5 (Moderate)

WindSW 7 mph

Thu 5/15

77° /57°

77%

Cloudy; a thundershower in spots in the morning, then afternoon rain

RealFeel®73°

RealFeel Shade™73°

Max UV Index2 (Low)

WindESE 6 mph

Fri 5/16

78° /60°

Mostly cloudy and humid

RealFeel®81°

RealFeel Shade™77°

Max UV Index4 (Moderate)

WindS 9 mph

Sat 5/17

79° /60°

65%

Humid with considerable cloudiness; a couple of showers and a thunderstorm in the afternoon

RealFeel®81°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindSW 7 mph

Sun 5/18

79° /61°

Humid with intervals of clouds and sunshine

RealFeel®80°

RealFeel Shade™80°

Max UV Index5 (Moderate)

WindS 10 mph

Mon 5/19

80° /59°

Humid with sunshine and some clouds

RealFeel®82°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindS 13 mph

Tue 5/20

79° /59°

61%

Variable cloudiness with a couple of showers and a thunderstorm in the afternoon

RealFeel®77°

RealFeel Shade™76°

Max UV Index7 (High)

WindSW 9 mph

Wed 5/21

72° /57°

55%

Mostly sunny with a passing shower in the afternoon

RealFeel®77°

RealFeel Shade™69°

Max UV Index10 (Very High)

WindWNW 8 mph

Thu 5/22

73° /57°

Mostly sunny

RealFeel®81°

RealFeel Shade™71°

Max UV Index11 (Extreme)

WindSW 4 mph

Fri 5/23

77° /60°

60%

Cloudy and humid with a couple of showers and a thunderstorm

RealFeel®82°

RealFeel Shade™80°

Max UV Index2 (Low)

WindWNW 5 mph

Sat 5/24

78° /58°

Partly sunny and less humid

RealFeel®85°

RealFeel Shade™76°

Max UV Index11 (Extreme)

WindE 6 mph

Sun 5/25

80° /61°

Humid with times of sun and clouds

RealFeel®81°

RealFeel Shade™79°

Max UV Index5 (Moderate)

WindS 10 mph

Mon 5/26

82° /60°

Partly sunny and less humid

RealFeel®82°

RealFeel Shade™78°

Max UV Index11 (Extreme)

WindWNW 15 mph

Tue 5/27

74° /58°

Sunny

RealFeel®79°

RealFeel Shade™70°

Max UV Index11 (Extreme)

WindWNW 9 mph

Wed 5/28

75° /55°

Clouds to start, then sunshine returns

RealFeel®80°

RealFeel Shade™72°

Max UV Index11 (Extreme)

WindNW 7 mph

Thu 5/29

74° /54°

Plenty of sun

RealFeel®81°

RealFeel Shade™72°

Max UV Index11 (Extreme)

WindNW 6 mph

Fri 5/30

74° /59°

Mostly cloudy

RealFeel®73°

RealFeel Shade™71°

Max UV Index5 (Moderate)

WindSE 9 mph

Sat 5/31

77° /62°

79%

Mostly cloudy with rain ending, then a leftover shower

RealFeel®78°

RealFeel Shade™77°

Max UV Index2 (Low)

WindNE 5 mph

Sun 6/1

81° /63°

Cloudy

RealFeel®81°

RealFeel Shade™79°

Max UV Index3 (Moderate)

WindE 7 mph

Mon 6/2

81° /64°

Partly sunny and humid

RealFeel®87°

RealFeel Shade™83°

Max UV Index7 (High)

WindS 6 mph

Tue 6/3

84° /64°

Humid with clouds to start, then sunshine returns

RealFeel®95°

RealFeel Shade™89°

Max UV Index11 (Extreme)

WindS 2 mph

Wed 6/4

85° /65°

Clouds and sun

RealFeel®89°

RealFeel Shade™86°

Max UV Index5 (Moderate)

WindSW 7 mph

Thu 6/5

84° /63°

Abundant sunshine

RealFeel®88°

RealFeel Shade™81°

Max UV Index11 (Extreme)

WindWNW 9 mph

Fri 6/6

77° /57°

Mostly sunny and less humid

RealFeel®84°

RealFeel Shade™74°

Max UV Index11 (Extreme)

WindNNW 6 mph

Sat 6/7

76° /57°

Partly sunny

RealFeel®82°

RealFeel Shade™74°

Max UV Index11 (Extreme)

WindN 5 mph

Sun 6/8

76° /58°

Mostly sunny

RealFeel®83°

RealFeel Shade™74°

Max UV Index11 (Extreme)

WindNNE 5 mph

Mon 6/9

77° /58°

Some sunshine

RealFeel®83°

RealFeel Shade™75°

Max UV Index11 (Extreme)

WindENE 6 mph

Tue 6/10

77° /59°

Sunshine

RealFeel®84°

RealFeel Shade™75°

Max UV Index11 (Extreme)

WindE 6 mph

Wed 6/11

78° /60°