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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 8:26 am CDT
alertLevel3

Wind Advisory

alertLevel3

There is a possible risk of severe weather today. Wind and tornadoes are possible, but wind is the greatest threat.

Today

Thunderstorms Thunderstorms/Wind
67°/20°
Rain drop 98%
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Day

67°
Thunderstorms
Rain drop
98%
SSW 21 mph

Scattered thunderstorms this morning, then windy during the afternoon with thunderstorms likely. A few storms may be severe. Morning high of 67F with temps falling sharply to near 45. Winds SSW at 20 to 30 mph. Chance of rain 100%.

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Powerful Winter Storm To Bury North

  • Humidity
    Humidity67%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:13 am
  • Sunset
    Sunset7:09 pm

Night

20°
Rain, Snow, Wintery Mix
Snowflake
59%
WNW 22 mph

Occasional rain and snow showers this evening. Windy and remaining cloudy overnight. Low around 20F. Winds WNW at 20 to 30 mph. Chance of snow 60%. Winds could occasionally gust over 40 mph.

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

Mon 16

Windy Partly Cloudy/Wind
31°/14°
Rain drop 15%
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Day

31°
Windy
Mixed precipitation
15%
WNW 21 mph

Decreasing cloudiness and windy. A few flurries or snow showers possible. High 31F. Winds WNW at 20 to 30 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:12 am
  • Sunset
    Sunset7:10 pm

Night

14°
Partly Cloudy Night
NW 15 mph

Partly cloudy skies. Low 14F. Winds NW at 10 to 20 mph.

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

Tue 17

Mostly Clear Day Mostly Sunny
39°/33°
Rain drop 5%
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Day

39°
Mostly Clear Day
Mixed precipitation
5%
WSW 6 mph

Generally sunny despite a few afternoon clouds. Cold. High 39F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity38%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:10 am
  • Sunset
    Sunset7:11 pm

Night

33°
Cloudy
Mixed precipitation
15%
SSE 10 mph

Cloudy. Low 33F. Winds SSE at 10 to 15 mph.

  • Humidity
    Humidity49%
  • 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°/43°
Rain drop 1%
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Day

66°
Partly Cloudy Day
Rain drop
1%
SW 11 mph

Partly cloudy skies. High 66F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:12 pm

Night

43°
Partly Cloudy Night
Rain drop
5%
S 4 mph

A few clouds. Low 43F. Winds light and variable.

  • Humidity
    Humidity65%
  • 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
73°/41°
Rain drop 11%
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Day

73°
Partly Cloudy Day
Rain drop
11%
WNW 9 mph

Sunshine and clouds mixed. High 73F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:07 am
  • Sunset
    Sunset7:13 pm

Night

41°
Partly Cloudy Night
Rain drop
8%
NE 6 mph

A few clouds from time to time. Low 41F. Winds NE at 5 to 10 mph.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:16 am
  • Moonset
    Moonset8:18 pm
  • Moon Phase - Day 1 Waxing Crescent

Fri 20

Partly Cloudy Day Partly Cloudy
76°/50°
Rain drop 8%
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Day

76°
Partly Cloudy Day
Rain drop
8%
SSW 8 mph

Partly cloudy. High 76F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:06 am
  • Sunset
    Sunset7:14 pm

Night

50°
Partly Cloudy Night
Rain drop
3%
W 7 mph

Partly cloudy skies. Low around 50F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:42 am
  • Moonset
    Moonset9:31 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Sunny Sunny
73°/43°
Rain drop 3%
Add

Day

73°
Sunny
Rain drop
3%
NNW 10 mph

Abundant sunshine. High 73F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity49%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:04 am
  • Sunset
    Sunset7:15 pm

Night

43°
Mostly Clear Night
Rain drop
3%
ENE 7 mph

Mostly clear. Low 43F. Winds ENE at 5 to 10 mph.

  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:12 am
  • Moonset
    Moonset10:48 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Mostly Clear Day Mostly Sunny
70°/45°
Rain drop 3%
Add

Day

70°
Mostly Clear Day
Rain drop
3%
SE 12 mph

Except for a few afternoon clouds, mainly sunny. High around 70F. Winds SE at 10 to 15 mph.

  • Humidity
    Humidity46%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:02 am
  • Sunset
    Sunset7:16 pm

Night

45°
Partly Cloudy Night
Rain drop
3%
E 10 mph

Partly cloudy. Low around 45F. Winds E at 5 to 10 mph.

  • Humidity
    Humidity49%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:47 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Partly Cloudy Day Partly Cloudy
68°/44°
Rain drop 4%
Add

Day

68°
Partly Cloudy Day
Rain drop
4%
ENE 11 mph

Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. High 68F. Winds ENE at 10 to 15 mph.

  • Humidity
    Humidity45%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:01 am
  • Sunset
    Sunset7:17 pm

Night

44°
Mostly Cloudy Night
Rain drop
10%
NE 10 mph

Mainly cloudy. Low 44F. Winds NE at 5 to 10 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:29 am
  • Moonset
    Moonset12:04 am
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Mostly Cloudy Day Mostly Cloudy
64°/43°
Rain drop 12%
Add

Day

64°
Mostly Cloudy Day
Rain drop
12%
ENE 10 mph

Mainly cloudy. High 64F. Winds ENE at 5 to 10 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:59 am
  • Sunset
    Sunset7:18 pm

Night

43°
Mostly Cloudy Night
Rain drop
24%
ENE 8 mph

Considerable cloudiness. Low 43F. Winds ENE at 5 to 10 mph.

  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:22 am
  • Moonset
    Moonset1:18 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Mostly Cloudy Day Mostly Cloudy
65°/45°
Rain drop 24%
Add

Day

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

Mainly cloudy. High around 65F. Winds SE at 10 to 15 mph.

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

Night

45°
Mostly Cloudy Night
Rain drop
24%
SSE 9 mph

Mostly cloudy. Low near 45F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:24 am
  • Moonset
    Moonset2:25 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Scattered Showers Day PM Showers
66°/39°
Rain drop 42%
Add

Day

66°
Scattered Showers Day
Rain drop
42%
SW 12 mph

Increasing clouds with showers arriving sometime in the afternoon. High 66F. Winds SW at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity51%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:56 am
  • Sunset
    Sunset7:20 pm

Night

39°
Scattered Showers Night
Rain drop
41%
NW 9 mph

Showers in the evening with some clearing overnight. Low 39F. Winds NW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity62%
  • 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 Partly Cloudy
61°/39°
Rain drop 15%
Add

Day

61°
Partly Cloudy Day
Rain drop
15%
N 11 mph

Considerable clouds early. Some decrease in clouds later in the day. High 61F. Winds N at 10 to 15 mph.

  • Humidity
    Humidity51%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:55 am
  • Sunset
    Sunset7:21 pm

Night

39°
Partly Cloudy Night
Mixed precipitation
11%
E 8 mph

Partly cloudy in the evening with more clouds for later at night. Low 39F. Winds E at 5 to 10 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 Cloudy Day Mostly Cloudy
62°/45°
Rain drop 23%
Add

Day

62°
Mostly Cloudy Day
Rain drop
23%
SE 12 mph

Mostly cloudy skies. High 62F. Winds SE at 10 to 15 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:53 am
  • Sunset
    Sunset7:22 pm

Night

45°
Scattered Showers Night
Rain drop
39%
SE 9 mph

Increasing clouds with showers arriving sometime after midnight. Low around 45F. Winds SE at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:59 pm
  • Moonset
    Moonset4:43 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Showers Showers
65°/47°
Rain drop 52%
Add

Day

65°
Showers
Rain drop
52%
SSE 11 mph

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

  • Humidity
    Humidity60%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:23 pm

Night

47°
Scattered Showers Night
Rain drop
59%
SSE 8 mph

Mostly cloudy skies early with showers developing late. Low 47F. Winds SSE at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:08 pm
  • Moonset
    Moonset5:12 am
  • Moon Phase - Day 11 Waxing Gibbous
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