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O'Fallon, MO

68°F
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O'Fallon

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O'Fallon, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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April 26 - May 10

Sun 4/26

79° /61°
25%
Periods of clouds and sunshine

RealFeel®81°

RealFeel Shade™76°

Max UV Index8.0 (Very High)

WindSE 9 mph

Mon 4/27

83° /51°
90%
A stray a.m. t-shower, variable clouds, warm; t-storms, some severe in the p.m.; there is a significant risk for damaging wind gusts, tornadoes and large hail

RealFeel®82°

RealFeel Shade™80°

Max UV Index3.0 (Moderate)

WindS 18 mph

Tue 4/28

68° /46°
49%
Cooler with intervals of clouds and sunshine; a shower in spots in the afternoon

RealFeel®76°

RealFeel Shade™66°

Max UV Index8.0 (Very High)

WindNNE 8 mph

Wed 4/29

67° /43°
18%
Mostly sunny

RealFeel®70°

RealFeel Shade™63°

Max UV Index9.0 (Very High)

WindNW 12 mph

Thu 4/30

67° /44°
16%
Times of clouds and sun

RealFeel®69°

RealFeel Shade™65°

Max UV Index4.0 (Moderate)

WindNW 5 mph

Fri 5/1

62° /39°
25%
Mostly cloudy and cool

RealFeel®63°

RealFeel Shade™61°

Max UV Index3.0 (Moderate)

WindNNE 4 mph

Sat 5/2

64° /45°
5%
Partly sunny

RealFeel®68°

RealFeel Shade™63°

Max UV Index9.0 (Very High)

WindNE 7 mph

Sun 5/3

69° /48°
1%
Clouds and sunshine

RealFeel®78°

RealFeel Shade™68°

Max UV Index9.0 (Very High)

WindNNW 1 mph

Mon 5/4

71° /46°
55%
Clouds and sun with a stray shower

RealFeel®71°

RealFeel Shade™68°

Max UV Index4.0 (Moderate)

WindWNW 6 mph

Tue 5/5

64° /48°
55%
Cloudy with a stray shower

RealFeel®68°

RealFeel Shade™65°

Max UV Index4.0 (Moderate)

WindS 5 mph

Wed 5/6

67° /50°
49%
A brief shower in the morning; otherwise, partial sunshine

RealFeel®69°

RealFeel Shade™64°

Max UV Index10.0 (Very High)

WindNW 10 mph

Thu 5/7

72° /52°
55%
Partly sunny with a shower in the area

RealFeel®74°

RealFeel Shade™69°

Max UV Index9.0 (Very High)

WindWNW 9 mph

Fri 5/8

71° /50°
2%
Partly sunny

RealFeel®82°

RealFeel Shade™71°

Max UV Index10.0 (Very High)

WindENE 1 mph

Sat 5/9

74° /52°
25%
Partly sunny

RealFeel®77°

RealFeel Shade™71°

Max UV Index10.0 (Very High)

WindWNW 8 mph

Sun 5/10

68° /47°
20%
Mostly sunny

RealFeel®79°

RealFeel Shade™66°

Max UV Index10.0 (Very High)

WindNE 4 mph

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World North America United States Missouri O'Fallon

Weather Near O'Fallon:

  • St. Charles, MO
  • St. Louis, MO
  • St. Peters, MO
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