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Frosty nights ahead in the Midwest, Northeast. Here's when the coldest nights are expected. Chevron right
A Southwest heat wave is coming. Find out who could see triple-digit temperatures. Chevron right

St. Louis, MO

58°F
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St. Louis, MO Weather
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May 8 - May 22

Fri 5/8

76° /54°
85%
Showers and thunderstorms this evening; otherwise, mainly cloudy

RealFeel®51°

Cloud Cover86%

WindWSW 7 mph

Wind Gusts12 mph

Sat 5/9

83° /57°
2%
Sunny much of the time and warmer

RealFeel®85°

RealFeel Shade™80°

Max UV Index10.0 (Very High)

WindWSW 8 mph

Sun 5/10

68° /47°
65%
A shower in spots in the morning; otherwise, breezy and cooler with variable cloudiness

RealFeel®67°

RealFeel Shade™64°

Max UV Index3.0 (Moderate)

WindN 15 mph

Mon 5/11

75° /50°
5%
Partly sunny and pleasant

RealFeel®84°

RealFeel Shade™72°

Max UV Index10.0 (Very High)

WindWNW 5 mph

Tue 5/12

81° /58°
55%
Warm with times of clouds and sun; a passing shower in the afternoon

RealFeel®81°

RealFeel Shade™78°

Max UV Index5.0 (Moderate)

WindSW 8 mph

Wed 5/13

74° /50°
5%
Breezy in the morning; otherwise, partly sunny and pleasant

RealFeel®78°

RealFeel Shade™70°

Max UV Index10.0 (Very High)

WindNNW 14 mph

Thu 5/14

72° /56°
16%
Mostly sunny and pleasant

RealFeel®80°

RealFeel Shade™70°

Max UV Index10.0 (Very High)

WindENE 6 mph

Fri 5/15

78° /61°
80%
Cloudy; a passing morning shower, then afternoon rain

RealFeel®77°

RealFeel Shade™77°

Max UV Index4.0 (Moderate)

WindSSE 7 mph

Sat 5/16

85° /64°
3%
Mostly cloudy and warmer

RealFeel®89°

RealFeel Shade™84°

Max UV Index5.0 (Moderate)

WindESE 6 mph

Sun 5/17

83° /65°
58%
Cloudy and warm with a couple of thunderstorms

RealFeel®83°

RealFeel Shade™81°

Max UV Index3.0 (Moderate)

WindSSE 8 mph

Mon 5/18

83° /65°
4%
Warm and humid with intervals of clouds and sunshine

RealFeel®89°

RealFeel Shade™83°

Max UV Index10.0 (Very High)

WindSSE 10 mph

Tue 5/19

82° /65°
55%
Considerable cloudiness and humid with a little rain

RealFeel®85°

RealFeel Shade™83°

Max UV Index5.0 (Moderate)

WindSSW 9 mph

Wed 5/20

83° /68°
55%
Cloudy and humid with a little rain

RealFeel®88°

RealFeel Shade™84°

Max UV Index2.0 (Low)

WindSSW 6 mph

Thu 5/21

78° /60°
56%
Cloudy and humid; a couple of showers in the morning followed by a little rain in the afternoon

RealFeel®84°

RealFeel Shade™84°

Max UV Index3.0 (Moderate)

WindENE 9 mph

Fri 5/22

71° /56°
25%
Cloudy

RealFeel®70°

RealFeel Shade™70°

Max UV Index3.0 (Moderate)

WindNE 8 mph

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World North America United States Missouri St. Louis

Weather Near St. Louis:

  • O'Fallon, MO
  • Springfield, IL
  • St. Charles, MO
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