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

As of 11:37 am CDT

Today

Mostly Clear Day Mostly Sunny
82°/65°
Rain drop 0%
Subtract

Day

82°
Mostly Clear Day
SSW 12 mph

Sunny to partly cloudy. High 82F. Winds SSW at 10 to 15 mph.

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  • Humidity
    Humidity33%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:58 am
  • Sunset
    Sunset7:19 pm

Night

65°
Partly Cloudy Night
Rain drop
4%
SSW 10 mph

Partly cloudy skies. Low near 65F. Winds SSW at 10 to 15 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:24 am
  • Moonset
    Moonset2:25 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Mostly Clear Day Mostly Sunny
94°/40°
Rain drop 4%
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Day

94°
Mostly Clear Day
Rain drop
4%
SW 16 mph

Except for a few afternoon clouds, mainly sunny. Near record high temperatures. High 94F. Winds SW at 10 to 20 mph.

  • Humidity
    Humidity47%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:56 am
  • Sunset
    Sunset7:20 pm

Night

40°
Scattered Showers Night
Rain drop
79%
N 15 mph

Partly cloudy skies early. Showers and a possible thunderstorm developing later at night. Potential for severe thunderstorms. Low around 40F. WSW winds shifting to NNE at 10 to 20 mph. Chance of rain 80%.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:35 pm
  • Moonset
    Moonset3:21 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Partly Cloudy Day AM Clouds/PM Sun
54°/27°
Rain drop 15%
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Day

54°
Partly Cloudy Day
Rain drop
15%
N 15 mph

A shower is possible early. Cloudy skies early, then partly cloudy in the afternoon. High 54F. Winds N at 10 to 20 mph.

  • Humidity
    Humidity59%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:55 am
  • Sunset
    Sunset7:21 pm

Night

27°
Clear Night
Mixed precipitation
2%
N 11 mph

Clear skies. Low 27F. Winds N at 10 to 15 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:47 pm
  • Moonset
    Moonset4:07 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Mostly Clear Day Mostly Sunny
56°/42°
Rain drop 2%
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Day

56°
Mostly Clear Day
Rain drop
2%
ESE 9 mph

Sunshine and some clouds. High 56F. Winds ESE at 5 to 10 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:53 am
  • Sunset
    Sunset7:22 pm

Night

42°
Partly Cloudy Night
SSE 7 mph

Partly cloudy skies during the evening will give way to cloudy skies overnight. Low 42F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity47%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:59 pm
  • Moonset
    Moonset4:43 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Mostly Cloudy Day Mostly Cloudy
71°/56°
Rain drop 0%
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Day

71°
Mostly Cloudy Day
S 12 mph

Mostly cloudy skies. High 71F. Winds S at 10 to 15 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:23 pm

Night

56°
Scattered Showers Night
Rain drop
31%
S 10 mph

Mostly cloudy during the evening. A few showers developing late. Low 56F. Winds S at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity49%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:08 pm
  • Moonset
    Moonset5:12 am
  • Moon Phase - Day 11 Waxing Gibbous

Mon 30

Scattered Showers Day AM Showers
83°/62°
Rain drop 30%
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Day

83°
Scattered Showers Day
Rain drop
30%
SSW 12 mph

A shower or two possible early with partly cloudy skies in the afternoon. High 83F. Winds SSW at 10 to 15 mph. Chance of rain 30%.

  • Humidity
    Humidity49%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:50 am
  • Sunset
    Sunset7:24 pm

Night

62°
Mostly Cloudy Night
Rain drop
24%
SSW 10 mph

Considerable cloudiness. Low 62F. Winds SSW at 10 to 15 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:14 pm
  • Moonset
    Moonset5:38 am
  • Moon Phase - Day 12 Waxing Gibbous

Tue 31

Mostly Cloudy Day Mostly Cloudy
84°/65°
Rain drop 24%
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Day

84°
Mostly Cloudy Day
Rain drop
24%
SSW 14 mph

Mostly cloudy. High 84F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:49 am
  • Sunset
    Sunset7:25 pm

Night

65°
Showers
Rain drop
47%
SSW 11 mph

Cloudy with occasional showers. Low near 65F. Winds SSW at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:19 pm
  • Moonset
    Moonset6:01 am
  • Moon Phase - Day 13 Waxing Gibbous

Wed 01

Showers Thundershowers
80°/59°
Rain drop 62%
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Day

80°
Showers
Rain drop
62%
SSW 15 mph

Rain showers in the morning then thundershowers in the afternoon. High around 80F. Winds SSW at 10 to 20 mph. Chance of rain 60%.

  • Humidity
    Humidity57%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:26 pm

Night

59°
Rain
Rain drop
62%
SSW 12 mph

Periods of rain. Low 59F. Winds SSW at 10 to 15 mph. Chance of rain 60%. Rainfall near a quarter of an inch.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:22 pm
  • Moonset
    Moonset6:23 am
  • Moon Phase - Day 14 Full Moon

Thu 02

Rain Rain/Thunder
71°/50°
Rain drop 60%
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Day

71°
Rain
Rain drop
60%
SW 13 mph

Rain and scattered thunderstorms in the afternoon. High 71F. Winds SW at 10 to 15 mph. Chance of rain 60%.

  • Humidity
    Humidity69%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:46 am
  • Sunset
    Sunset7:27 pm

Night

50°
Scattered Thunderstorms Night
Rain drop
44%
SSW 10 mph

Scattered thunderstorms in the evening. Partly cloudy skies overnight. Low near 50F. Winds SSW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:26 pm
  • Moonset
    Moonset6:46 am
  • Moon Phase - Day 15 Full Moon

Fri 03

Isolated Thunderstorms Isolated Thunderstorms
69°/49°
Rain drop 34%
Add

Day

69°
Isolated Thunderstorms
Rain drop
34%
SSW 13 mph

Isolated thunderstorms in the morning with a few showers possible during the afternoon. High 69F. Winds SSW at 10 to 15 mph. Chance of rain 30%.

  • Humidity
    Humidity67%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:44 am
  • Sunset
    Sunset7:28 pm

Night

49°
Showers
Rain drop
47%
SW 10 mph

Considerable cloudiness with occasional rain showers. Low 49F. Winds SW at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:28 pm
  • Moonset
    Moonset7:10 am
  • Moon Phase - Day 16 Waning Gibbous

Sat 04

Showers Showers
72°/47°
Rain drop 49%
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Day

72°
Showers
Rain drop
49%
WSW 13 mph

Showers early becoming less numerous later in the day. High 72F. Winds WSW at 10 to 20 mph. Chance of rain 50%.

  • Humidity
    Humidity61%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:42 am
  • Sunset
    Sunset7:29 pm

Night

47°
Showers
Rain drop
47%
W 10 mph

Overcast with rain showers at times. Low 47F. Winds W at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:32 pm
  • Moonset
    Moonset7:36 am
  • Moon Phase - Day 17 Waning Gibbous

Sun 05

Showers Showers
69°/42°
Rain drop 50%
Add

Day

69°
Showers
Rain drop
50%
WNW 9 mph

Cloudy with occasional rain showers. High 69F. Winds WNW at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity54%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:41 am
  • Sunset
    Sunset7:30 pm

Night

42°
Showers
Rain drop
47%
N 8 mph

Cloudy with showers. Low 42F. Winds N at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:34 pm
  • Moonset
    Moonset8:08 am
  • Moon Phase - Day 18 Waning Gibbous

Mon 06

Scattered Showers Day AM Showers
63°/44°
Rain drop 46%
Add

Day

63°
Scattered Showers Day
Rain drop
46%
NNW 10 mph

Rain showers early with some sunshine later in the day. High 63F. Winds NNW at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity64%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:39 am
  • Sunset
    Sunset7:30 pm

Night

44°
Scattered Showers Night
Rain drop
50%
ESE 7 mph

Mostly cloudy with some showers late. Low 44F. Winds ESE at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset8:45 am
  • Moon Phase - Day 19 Waning Gibbous

Tue 07

Showers Showers
67°/45°
Rain drop 50%
Add

Day

67°
Showers
Rain drop
50%
SW 10 mph

Cloudy with occasional rain showers. High 67F. Winds SW at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity65%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:38 am
  • Sunset
    Sunset7:31 pm

Night

45°
Partly Cloudy Night
Rain drop
24%
SSW 7 mph

Mostly cloudy skies early, then partly cloudy after midnight. Low near 45F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:33 am
  • Moonset
    Moonset9:29 am
  • Moon Phase - Day 20 Waning Gibbous

Wed 08

Partly Cloudy Day Partly Cloudy
71°/46°
Rain drop 24%
Add

Day

71°
Partly Cloudy Day
Rain drop
24%
WSW 10 mph

Sunshine and clouds mixed. High 71F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity63%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:36 am
  • Sunset
    Sunset7:32 pm

Night

46°
Showers
Rain drop
46%
ESE 7 mph

Showers early becoming less numerous late. Low 46F. Winds ESE at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:27 am
  • Moonset
    Moonset10:20 am
  • Moon Phase - Day 21 Waning Gibbous
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