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10-Day Weather Forecast for O'Fallon, Missouri 63368 - The Weather Channel | weather.com
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10 Day Weather-

As of 11:19 pm CST

Tonight

Partly Cloudy Night Partly Cloudy
--/34°
Rain drop 4%
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Night

34°
Partly Cloudy Night
Mixed precipitation
4%
WSW 5 mph

Partly cloudy. Low 34F. Winds light and variable.

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  • Humidity
    Humidity88%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:42 pm
  • Moonset
    Moonset8:08 am
  • Moon Phase - Day 19 Waning Gibbous

Sun 08

Sunny Sunny
66°/46°
Rain drop 7%
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Day

66°
Sunny
Rain drop
7%
SW 11 mph

A mainly sunny sky. High 66F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:24 am
  • Sunset
    Sunset7:03 pm

Night

46°
Clear Night
Rain drop
1%
SSW 8 mph

Clear skies. Low 46F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset9:36 am
  • Moon Phase - Day 20 Waning Gibbous

Mon 09

Sunny Sunny
81°/60°
Rain drop 2%
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Day

81°
Sunny
Rain drop
2%
SSW 14 mph

A mainly sunny sky. High 81F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:22 am
  • Sunset
    Sunset7:03 pm

Night

60°
Partly Cloudy Night
Rain drop
9%
SSW 10 mph

A few clouds from time to time. Low around 60F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:45 am
  • Moonset
    Moonset10:10 am
  • Moon Phase - Day 20 Waning Gibbous

Tue 10

Scattered Thunderstorms PM Thunderstorms
83°/57°
Rain drop 34%
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Day

83°
Scattered Thunderstorms
Rain drop
34%
SSW 14 mph

Cloudy skies during the morning hours followed by scattered showers and thunderstorms in the afternoon. Potential for severe thunderstorms. High 83F. Winds SSW at 10 to 20 mph. Chance of rain 30%.

  • Humidity
    Humidity66%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:21 am
  • Sunset
    Sunset7:04 pm

Night

57°
Thunderstorms
Rain drop
99%
SW 12 mph

Scattered thunderstorms in the evening, then mainly cloudy overnight with thunderstorms likely. Potential for severe thunderstorms. Low 57F. Winds SW at 10 to 15 mph. Chance of rain 100%.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:46 am
  • Moonset
    Moonset10:49 am
  • Moon Phase - Day 21 Waning Gibbous

Wed 11

Showers Thundershowers
62°/31°
Rain drop 92%
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Day

62°
Showers
Rain drop
92%
NW 16 mph

Showers with a possible thunderstorm in the morning, then variable clouds during the afternoon with still a chance of showers. Morning high of 62F with temps falling to near 50. Winds NW at 10 to 20 mph. Chance of rain 90%.

  • Humidity
    Humidity73%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:19 am
  • Sunset
    Sunset7:05 pm

Night

31°
Partly Cloudy Night
Mixed precipitation
3%
NW 12 mph

Partly cloudy. Low 31F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:44 am
  • Moonset
    Moonset11:36 am
  • Moon Phase - Day 22 Last Quarter

Thu 12

Mostly Clear Day Mostly Sunny
56°/44°
Rain drop 3%
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Day

56°
Mostly Clear Day
Rain drop
3%
WSW 10 mph

Generally sunny despite a few afternoon clouds. High 56F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:18 am
  • Sunset
    Sunset7:06 pm

Night

44°
Partly Cloudy Night
SSW 15 mph

A few clouds from time to time. Low 44F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity45%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:36 am
  • Moonset
    Moonset12:30 pm
  • Moon Phase - Day 23 Waning Crescent

Fri 13

Partly Cloudy Day Partly Cloudy
68°/39°
Rain drop 0%
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Day

68°
Partly Cloudy Day
W 13 mph

Partly cloudy skies. High 68F. Winds W at 10 to 20 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:16 am
  • Sunset
    Sunset7:07 pm

Night

39°
Partly Cloudy Night
Mixed precipitation
3%
N 6 mph

Partly cloudy skies. Low 39F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:22 am
  • Moonset
    Moonset1:30 pm
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Partly Cloudy Day Partly Cloudy
58°/43°
Rain drop 1%
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Day

58°
Partly Cloudy Day
Rain drop
1%
E 11 mph

Intervals of clouds and sunshine. High 58F. Winds E at 10 to 15 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:15 am
  • Sunset
    Sunset7:08 pm

Night

43°
Partly Cloudy Night
Rain drop
23%
E 9 mph

Partly cloudy skies during the evening will give way to cloudy skies overnight. Low 43F. Winds E at 5 to 10 mph.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:00 am
  • Moonset
    Moonset2:35 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Scattered Showers Day PM Showers
65°/32°
Rain drop 38%
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Day

65°
Scattered Showers Day
Rain drop
38%
SSW 15 mph

Mostly cloudy in the morning then periods of showers later in the day. High near 65F. Winds SSW at 10 to 20 mph. Chance of rain 40%.

  • Humidity
    Humidity60%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:13 am
  • Sunset
    Sunset7:09 pm

Night

32°
Showers
Rain drop
49%
NNW 11 mph

Cloudy with showers. Low 32F. Winds NNW at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:33 am
  • Moonset
    Moonset3:41 pm
  • Moon Phase - Day 26 Waning Crescent

Mon 16

Mostly Cloudy Day Mostly Cloudy
46°/25°
Rain drop 23%
Add

Day

46°
Mostly Cloudy Day
Rain drop
23%
NNW 11 mph

Mostly cloudy. High 46F. Winds NNW at 10 to 15 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:12 am
  • Sunset
    Sunset7:10 pm

Night

25°
Partly Cloudy Night
Mixed precipitation
18%
N 8 mph

A few clouds. Low around 25F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:02 am
  • Moonset
    Moonset4:49 pm
  • Moon Phase - Day 27 Waning Crescent

Tue 17

Partly Cloudy Day Partly Cloudy
44°/31°
Rain drop 11%
Add

Day

44°
Partly Cloudy Day
Rain drop
11%
ENE 7 mph

Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. High 44F. Winds ENE at 5 to 10 mph.

  • Humidity
    Humidity49%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:10 am
  • Sunset
    Sunset7:11 pm

Night

31°
Mostly Cloudy Night
Mixed precipitation
15%
ESE 6 mph

Mainly cloudy. Low 31F. Winds light and variable.

  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:28 am
  • Moonset
    Moonset5:58 pm
  • Moon Phase - Day 28 Waning Crescent

Wed 18

Mostly Cloudy Day Mostly Cloudy
52°/37°
Rain drop 16%
Add

Day

52°
Mostly Cloudy Day
Rain drop
16%
SSE 10 mph

Mostly cloudy skies. High 52F. Winds SSE at 10 to 15 mph.

  • Humidity
    Humidity51%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:12 pm

Night

37°
Mostly Cloudy Night
Mixed precipitation
10%
SSE 7 mph

Considerable cloudiness. Low 37F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:52 am
  • Moonset
    Moonset7:07 pm
  • Moon Phase - Day 29 New Moon

Thu 19

Mostly Cloudy Day Mostly Cloudy
64°/42°
Rain drop 16%
Add

Day

64°
Mostly Cloudy Day
Rain drop
16%
SSW 8 mph

Mostly cloudy. High 64F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:07 am
  • Sunset
    Sunset7:13 pm

Night

42°
Partly Cloudy Night
Rain drop
24%
SSE 6 mph

A few clouds. Low 42F. Winds light and variable.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:16 am
  • Moonset
    Moonset8:18 pm
  • Moon Phase - Day 1 Waxing Crescent

Fri 20

Mostly Cloudy Day Mostly Cloudy
65°/42°
Rain drop 24%
Add

Day

65°
Mostly Cloudy Day
Rain drop
24%
SSW 11 mph

Mainly cloudy. High near 65F. Winds SSW at 10 to 15 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:06 am
  • Sunset
    Sunset7:14 pm

Night

42°
Partly Cloudy Night
Rain drop
24%
W 7 mph

Partly cloudy early with increasing clouds overnight. Low 42F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:42 am
  • Moonset
    Moonset9:31 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Partly Cloudy Day Partly Cloudy
63°/45°
Rain drop 16%
Add

Day

63°
Partly Cloudy Day
Rain drop
16%
WSW 11 mph

Mostly cloudy skies early will become partly cloudy later in the day. High 63F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:04 am
  • Sunset
    Sunset7:15 pm

Night

45°
Scattered Showers Night
Rain drop
38%
E 9 mph

Partly cloudy skies early will give way to occasional showers later during the night. Low around 45F. Winds E at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:12 am
  • Moonset
    Moonset10:48 pm
  • Moon Phase - Day 3 Waxing Crescent
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