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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 11:47 pm CDT

Tonight

Snow Showers Snow Showers
--/33°
Rain drop 57%
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Night

33°
Snow Showers
Snowflake
57%
SSE 10 mph

Variably cloudy with snow showers. Low 33F. Winds SSE at 10 to 15 mph. Chance of snow 60%.

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Southwest Will Bake With Highs In 90s, 100s

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:28 am
  • Moonset
    Moonset5:57 pm
  • Moon Phase - Day 28 Waning Crescent

Wed 18

Partly Cloudy Day Partly Cloudy
66°/45°
Rain drop 2%
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Day

66°
Partly Cloudy Day
Rain drop
2%
SW 10 mph

Partly cloudy skies. High 66F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity46%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:12 pm

Night

45°
Cloudy
Rain drop
5%
S 5 mph

Cloudy. Low around 45F. Winds light and variable.

  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:52 am
  • Moonset
    Moonset7:07 pm
  • Moon Phase - Day 29 New Moon

Thu 19

Partly Cloudy Day Partly Cloudy
75°/42°
Rain drop 13%
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Day

75°
Partly Cloudy Day
Rain drop
13%
W 7 mph

Some clouds in the morning will give way to mainly sunny skies for the afternoon. High around 75F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:07 am
  • Sunset
    Sunset7:13 pm

Night

42°
Mostly Clear Night
Rain drop
10%
N 6 mph

Mainly clear early, then a few clouds later on. Low 42F. Winds light and variable.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:16 am
  • Moonset
    Moonset8:18 pm
  • Moon Phase - Day 1 Waxing Crescent

Fri 20

Mostly Clear Day Mostly Sunny
82°/49°
Rain drop 8%
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Day

82°
Mostly Clear Day
Rain drop
8%
WSW 7 mph

Sunshine along with some cloudy intervals. High 82F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:06 am
  • Sunset
    Sunset7:14 pm

Night

49°
Partly Cloudy Night
Rain drop
6%
W 4 mph

Partly cloudy skies. Low 49F. Winds light and variable.

  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:42 am
  • Moonset
    Moonset9:31 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Sunny Sunny
85°/56°
Rain drop 6%
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Day

85°
Sunny
Rain drop
6%
SSW 9 mph

Sunny skies. High around 85F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:04 am
  • Sunset
    Sunset7:15 pm

Night

56°
Clear Night
Rain drop
2%
SSW 8 mph

Clear. Low 56F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:12 am
  • Moonset
    Moonset10:47 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Mostly Clear Day Mostly Sunny
76°/37°
Rain drop 2%
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Day

76°
Mostly Clear Day
Rain drop
2%
NW 14 mph

Generally sunny despite a few afternoon clouds. High 76F. Winds NW at 10 to 20 mph.

  • Humidity
    Humidity45%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:02 am
  • Sunset
    Sunset7:16 pm

Night

37°
Partly Cloudy Night
Mixed precipitation
11%
NNE 13 mph

A few clouds. Low 37F. Winds NNE at 10 to 20 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:47 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Mostly Cloudy Day Mostly Cloudy
50°/36°
Rain drop 13%
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Day

50°
Mostly Cloudy Day
Rain drop
13%
ENE 11 mph

Mainly cloudy. High near 50F. Winds ENE at 10 to 15 mph.

  • Humidity
    Humidity49%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:01 am
  • Sunset
    Sunset7:17 pm

Night

36°
Partly Cloudy Night
Mixed precipitation
13%
ENE 9 mph

Cloudy early with partial clearing expected late. Low 36F. Winds ENE at 5 to 10 mph.

  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:29 am
  • Moonset
    Moonset12:04 am
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Partly Cloudy Day Partly Cloudy
59°/42°
Rain drop 6%
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Day

59°
Partly Cloudy Day
Rain drop
6%
SE 10 mph

Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. High 59F. Winds SE at 5 to 10 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:59 am
  • Sunset
    Sunset7:18 pm

Night

42°
Partly Cloudy Night
Rain drop
24%
SE 8 mph

Partly cloudy. Low 42F. Winds SE at 5 to 10 mph.

  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:22 am
  • Moonset
    Moonset1:18 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Partly Cloudy Day Partly Cloudy
69°/50°
Rain drop 5%
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Day

69°
Partly Cloudy Day
Rain drop
5%
S 12 mph

Partly to mostly cloudy. High 69F. Winds S at 10 to 15 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:58 am
  • Sunset
    Sunset7:19 pm

Night

50°
Mostly Cloudy Night
Rain drop
19%
S 11 mph

Mainly cloudy. Low near 50F. Winds S at 10 to 15 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:25 am
  • Moonset
    Moonset2:25 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Partly Cloudy Day Partly Cloudy
68°/43°
Rain drop 24%
Add

Day

68°
Partly Cloudy Day
Rain drop
24%
SW 13 mph

Partly cloudy. High 68F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:56 am
  • Sunset
    Sunset7:20 pm

Night

43°
Scattered Showers Night
Rain drop
39%
WSW 10 mph

Partly cloudy skies early followed by increasing clouds with showers developing later at night. Low 43F. Winds WSW at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:35 pm
  • Moonset
    Moonset3:21 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Scattered Showers Day AM Showers
55°/32°
Rain drop 36%
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Day

55°
Scattered Showers Day
Rain drop
36%
NW 13 mph

A shower or two around the area in the morning, then partly cloudy in the afternoon. High near 55F. Winds NW at 10 to 20 mph. Chance of rain 40%.

  • Humidity
    Humidity54%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:55 am
  • Sunset
    Sunset7:21 pm

Night

32°
Partly Cloudy Night
Mixed precipitation
24%
NNW 10 mph

Partly cloudy skies. Low 32F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:47 pm
  • Moonset
    Moonset4:07 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Partly Cloudy Day Partly Cloudy
55°/32°
Rain drop 24%
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Day

55°
Partly Cloudy Day
Rain drop
24%
WNW 11 mph

Partly cloudy skies. High near 55F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:53 am
  • Sunset
    Sunset7:22 pm

Night

32°
Scattered Showers Night
Rain drop
34%
E 9 mph

Partly cloudy skies early followed by mostly cloudy skies and a few showers later at night. Low 32F. Winds E at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:59 pm
  • Moonset
    Moonset4:43 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Scattered Showers Day AM Showers
57°/43°
Rain drop 33%
Add

Day

57°
Scattered Showers Day
Rain drop
33%
SSE 10 mph

Chance of a shower or two during the morning, followed by partly cloudy skies in the afternoon. High 57F. Winds SSE at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity57%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:23 pm

Night

43°
Scattered Showers Night
Rain drop
35%
SSE 8 mph

Mostly cloudy with some showers late. Low 43F. Winds SSE at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:08 pm
  • Moonset
    Moonset5:12 am
  • Moon Phase - Day 11 Waxing Gibbous

Mon 30

Showers Showers
63°/46°
Rain drop 59%
Add

Day

63°
Showers
Rain drop
59%
S 12 mph

Rain showers in the morning becoming more intermittent in the afternoon. High 63F. Winds S at 10 to 15 mph. Chance of rain 60%.

  • Humidity
    Humidity62%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:50 am
  • Sunset
    Sunset7:24 pm

Night

46°
Scattered Showers Night
Rain drop
38%
SW 10 mph

Partly cloudy skies early followed by increasing clouds with showers developing later at night. Low 46F. Winds SW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:14 pm
  • Moonset
    Moonset5:38 am
  • Moon Phase - Day 12 Waxing Gibbous

Tue 31

Showers Showers
67°/49°
Rain drop 38%
Add

Day

67°
Showers
Rain drop
38%
SSW 13 mph

Rain showers in the morning becoming more intermittent in the afternoon. High 67F. Winds SSW at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity60%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:49 am
  • Sunset
    Sunset7:25 pm

Night

49°
Showers
Rain drop
52%
S 10 mph

Overcast with rain showers at times. Low 49F. Winds S at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:19 pm
  • Moonset
    Moonset6:01 am
  • Moon Phase - Day 13 Waxing Gibbous
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