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O'Fallon, MO

66°F
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O'Fallon, MO Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly

Daily

 Radar MinuteCast® Monthly Air Quality Health & Activities

November 12 - December 26

Wed 11/12

66° /37°
0%
Pleasant with plenty of sunshine

RealFeel®71°

RealFeel Shade™65°

Max UV Index3.0 (Moderate)

WindWNW 7 mph

Thu 11/13

65° /48°
0%
Nice with sun through high clouds

RealFeel®65°

RealFeel Shade™62°

Max UV Index3.0 (Moderate)

WindSSE 7 mph

Fri 11/14

77° /58°
3%
Mostly sunny and warmer

RealFeel®77°

RealFeel Shade™74°

Max UV Index3.0 (Moderate)

WindSSW 7 mph

Sat 11/15

77° /43°
4%
Mostly sunny, breezy and very warm

RealFeel®75°

RealFeel Shade™73°

Max UV Index3.0 (Moderate)

WindSW 15 mph

Sun 11/16

61° /42°
4%
Mostly sunny and cooler but pleasant

RealFeel®65°

RealFeel Shade™61°

Max UV Index3.0 (Moderate)

WindNW 5 mph

Mon 11/17

62° /55°
15%
Nice with times of clouds and sun

RealFeel®62°

RealFeel Shade™59°

Max UV Index2.0 (Low)

WindSE 9 mph

Tue 11/18

73° /51°
60%
Sun and areas of high clouds in the morning, then mostly cloudy in the afternoon with a thunderstorm; warmer

RealFeel®72°

RealFeel Shade™70°

Max UV Index1.0 (Low)

WindSSW 9 mph

Wed 11/19

61° /48°
49%
A shower in the area in the morning; otherwise, cloudy

RealFeel®61°

RealFeel Shade™61°

Max UV Index1.0 (Low)

WindW 6 mph

Thu 11/20

55° /47°
7%
Mostly cloudy

RealFeel®52°

RealFeel Shade™50°

Max UV Index1.0 (Low)

WindWNW 10 mph

Fri 11/21

54° /44°
1%
Sun and areas of low clouds

RealFeel®55°

RealFeel Shade™55°

Max UV Index1.0 (Low)

WindNW 6 mph

Sat 11/22

55° /46°
13%
Low clouds, then perhaps some sun

RealFeel®55°

RealFeel Shade™55°

Max UV Index1.0 (Low)

WindSSW 7 mph

Sun 11/23

58° /43°
60%
Occasional morning rain; otherwise, mostly cloudy

RealFeel®54°

RealFeel Shade™54°

Max UV Index1.0 (Low)

WindS 10 mph

Mon 11/24

53° /42°
30%
Cloudy, chance of a little rain

RealFeel®50°

RealFeel Shade™50°

Max UV Index1.0 (Low)

WindWSW 8 mph

Tue 11/25

52° /35°
25%
More clouds than sun

RealFeel®50°

RealFeel Shade™50°

Max UV Index1.0 (Low)

WindW 8 mph

Wed 11/26

51° /31°
5%
Partly sunny

RealFeel®57°

RealFeel Shade™52°

Max UV Index3.0 (Moderate)

WindENE 4 mph

Thu 11/27

50° /40°
25%
Plenty of sunshine

RealFeel®46°

RealFeel Shade™44°

Max UV Index2.0 (Low)

WindW 10 mph

Fri 11/28

42° /31°
5%
Plenty of sunshine

RealFeel®41°

RealFeel Shade™38°

Max UV Index2.0 (Low)

WindWNW 7 mph

Sat 11/29

42° /25°
5%
Plenty of sunshine

RealFeel®40°

RealFeel Shade™37°

Max UV Index2.0 (Low)

WindS 7 mph

Sun 11/30

46° /42°
20%
Mostly sunny

RealFeel®42°

RealFeel Shade™40°

Max UV Index2.0 (Low)

WindS 10 mph

Mon 12/1

57° /42°
20%
Sunshine and a few clouds

RealFeel®58°

RealFeel Shade™55°

Max UV Index2.0 (Low)

WindSW 7 mph

Tue 12/2

56° /43°
25%
After a cloudy start, sunshine returns

RealFeel®56°

RealFeel Shade™56°

Max UV Index1.0 (Low)

WindSSE 7 mph

Wed 12/3

57° /43°
25%
Mostly cloudy

RealFeel®54°

RealFeel Shade™54°

Max UV Index1.0 (Low)

WindSSE 9 mph

Thu 12/4

56° /41°
65%
Cloudy and windy with a couple of showers

RealFeel®47°

RealFeel Shade™47°

Max UV Index1.0 (Low)

WindS 21 mph

Fri 12/5

56° /40°
20%
Mostly sunny

RealFeel®55°

RealFeel Shade™52°

Max UV Index2.0 (Low)

WindW 10 mph

Sat 12/6

48° /33°
20%
Partly sunny

RealFeel®52°

RealFeel Shade™48°

Max UV Index2.0 (Low)

WindWNW 6 mph

Sun 12/7

47° /40°
59%
Periods of rain

RealFeel®42°

RealFeel Shade™42°

Max UV Index1.0 (Low)

WindS 9 mph

Mon 12/8

46° /33°
25%
Times of clouds and sun

RealFeel®41°

RealFeel Shade™39°

Max UV Index1.0 (Low)

WindNW 12 mph

Tue 12/9

40° /27°
25%
Turning cloudy

RealFeel®43°

RealFeel Shade™39°

Max UV Index2.0 (Low)

WindS 6 mph

Wed 12/10

49° /40°
20%
Some sun, then increasing clouds

RealFeel®43°

RealFeel Shade™42°

Max UV Index2.0 (Low)

WindS 13 mph

Thu 12/11

50° /39°
62%
Rain

RealFeel®45°

RealFeel Shade™45°

Max UV Index1.0 (Low)

WindNNE 9 mph

Fri 12/12

50° /38°
76%
Rain ending in the morning; cloudy

RealFeel®43°

RealFeel Shade™43°

Max UV Index1.0 (Low)

WindNNW 15 mph

Sat 12/13

46° /34°
20%
Plenty of sunshine

RealFeel®48°

RealFeel Shade™44°

Max UV Index2.0 (Low)

WindWSW 6 mph

Sun 12/14

52° /38°
20%
Plenty of sun

RealFeel®52°

RealFeel Shade™49°

Max UV Index2.0 (Low)

WindSSW 8 mph

Mon 12/15

52° /38°
25%
Considerable cloudiness

RealFeel®51°

RealFeel Shade™51°

Max UV Index1.0 (Low)

WindSSE 6 mph

Tue 12/16

53° /41°
20%
Partly sunny

RealFeel®48°

RealFeel Shade™46°

Max UV Index2.0 (Low)

WindSSW 13 mph

Wed 12/17

55° /33°
25%
Cloudy

RealFeel®50°

RealFeel Shade™50°

Max UV Index1.0 (Low)

WindWNW 10 mph

Thu 12/18

50° /29°
63%
Cloudy; periods of snow and rain in the morning followed by a shower in spots in the afternoon

RealFeel®46°

RealFeel Shade™46°

Max UV Index1.0 (Low)

WindNNE 8 mph

Fri 12/19

36° /35°
25%
Cloudy and colder

RealFeel®34°

RealFeel Shade™34°

Max UV Index1.0 (Low)

WindENE 7 mph

Sat 12/20

44° /33°
25%
Cloudy

RealFeel®37°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindW 12 mph

Sun 12/21

43° /30°
25%
Cloudy

RealFeel®40°

RealFeel Shade™40°

Max UV Index1.0 (Low)

WindNNW 8 mph

Mon 12/22

38° /35°
65%
Periods of rain; some ice mixed in early in the day

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindESE 7 mph

Tue 12/23

47° /27°
25%
Mostly cloudy and not as cold

RealFeel®41°

RealFeel Shade™41°

Max UV Index1.0 (Low)

WindNW 12 mph

Wed 12/24

36° /26°
20%
Turning cloudy

RealFeel®41°

RealFeel Shade™35°

Max UV Index2.0 (Low)

WindSSE 5 mph

Thu 12/25

41° /24°
25%
A thick cloud cover

RealFeel®44°

RealFeel Shade™44°

Max UV Index1.0 (Low)

WindNE 4 mph

Fri 12/26

39° /28°
55%
Rather cloudy with a little rain in the afternoon

RealFeel®30°

RealFeel Shade™30°

Max UV Index1.0 (Low)

WindS 10 mph

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World North America United States Missouri O'Fallon

Weather Near O'Fallon:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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