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10-Day Weather Forecast for O'Fallon, Illinois 62269 - The Weather Channel | weather.com
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10 Day Weather-

As of 10:41 pm CDT
alertLevel3

Wind Advisory

Tonight

Partly Cloudy Night Partly Cloudy
--/54°
Rain drop 4%
Subtract

Night

54°
Partly Cloudy Night
Rain drop
4%
SSE 16 mph

Mostly clear skies this evening will become overcast overnight. Low 54F. Winds SSE at 10 to 20 mph.

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Powerful Winter Storm To Bury North

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:56 am
  • Moonset
    Moonset2:32 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Strong Storms alertLevel3
Strong Storms/Wind
67°/23°
Rain drop 100%
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Day

67°
Strong Storms alertLevel3
Rain drop
100%
SSW 26 mph

Windy with thunderstorms, possibly severe, developing later in the day. Damaging winds with some storms. High 67F. Winds SSW at 25 to 35 mph. Chance of rain 100%.

  • Humidity
    Humidity72%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:10 am
  • Sunset
    Sunset7:06 pm

Night

23°
Rain
Rain drop
69%
WNW 24 mph

Cloudy and windy. Periods of rain early. Low 23F. Winds WNW at 20 to 30 mph. Chance of rain 70%. Winds could occasionally gust over 40 mph.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:29 am
  • Moonset
    Moonset3:38 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 23 mph

Windy. Cloudy skies will become partly cloudy in the afternoon. A few flurries or snow showers possible. High 31F. Winds WNW at 20 to 30 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:08 am
  • Sunset
    Sunset7:07 pm

Night

14°
Clear Night
NW 15 mph

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

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:58 am
  • Moonset
    Moonset4:46 pm
  • Moon Phase - Day 27 Waning Crescent

Tue 17

Partly Cloudy Day Partly Cloudy
38°/32°
Rain drop 0%
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Day

38°
Partly Cloudy Day
W 7 mph

Partly cloudy. Cold. High 38F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:07 am
  • Sunset
    Sunset7:08 pm

Night

32°
Cloudy
Mixed precipitation
20%
SSE 14 mph

Cloudy. Low 32F. Winds SSE at 10 to 20 mph.

  • Humidity
    Humidity51%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:24 am
  • Moonset
    Moonset5:54 pm
  • Moon Phase - Day 28 Waning Crescent

Wed 18

Partly Cloudy Day AM Clouds/PM Sun
65°/40°
Rain drop 4%
Add

Day

65°
Partly Cloudy Day
Rain drop
4%
SW 14 mph

Morning clouds will give way to sunshine for the afternoon. High around 65F. Winds SW at 10 to 20 mph.

  • Humidity
    Humidity47%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:05 am
  • Sunset
    Sunset7:09 pm

Night

40°
Partly Cloudy Night
Rain drop
6%
SW 7 mph

A few clouds. Low around 40F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:49 am
  • Moonset
    Moonset7:03 pm
  • Moon Phase - Day 29 New Moon

Thu 19

Partly Cloudy Day Partly Cloudy
73°/43°
Rain drop 6%
Add

Day

73°
Partly Cloudy Day
Rain drop
6%
W 8 mph

Partly cloudy. High 73F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:04 am
  • Sunset
    Sunset7:10 pm

Night

43°
Partly Cloudy Night
Rain drop
7%
NNE 5 mph

Some clouds early will give way to generally clear conditions overnight. Low 43F. Winds light and variable.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:13 am
  • Moonset
    Moonset8:14 pm
  • Moon Phase - Day 1 Waxing Crescent

Fri 20

Partly Cloudy Day Partly Cloudy
73°/46°
Rain drop 7%
Add

Day

73°
Partly Cloudy Day
Rain drop
7%
WNW 11 mph

Sunshine and clouds mixed. High 73F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:02 am
  • Sunset
    Sunset7:11 pm

Night

46°
Partly Cloudy Night
Rain drop
2%
NW 9 mph

A few clouds from time to time. Low 46F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:39 am
  • Moonset
    Moonset9:27 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Partly Cloudy Day Partly Cloudy
59°/38°
Rain drop 4%
Add

Day

59°
Partly Cloudy Day
Rain drop
4%
NNW 14 mph

Partly cloudy skies. High 59F. Winds NNW at 10 to 20 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:01 am
  • Sunset
    Sunset7:12 pm

Night

38°
Partly Cloudy Night
Mixed precipitation
4%
NNE 8 mph

A few clouds. Low 38F. Winds NNE at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:09 am
  • Moonset
    Moonset10:44 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Mostly Clear Day Mostly Sunny
60°/40°
Rain drop 2%
Add

Day

60°
Mostly Clear Day
Rain drop
2%
SE 12 mph

A few clouds early, otherwise mostly sunny. High near 60F. NE winds shifting to S at 10 to 15 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:59 am
  • Sunset
    Sunset7:13 pm

Night

40°
Mostly Clear Night
Rain drop
2%
SSE 9 mph

Mostly clear skies. Low near 40F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:44 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Partly Cloudy Day Partly Cloudy
65°/44°
Rain drop 2%
Add

Day

65°
Partly Cloudy Day
Rain drop
2%
S 12 mph

Partly cloudy. High near 65F. Winds S at 10 to 15 mph.

  • Humidity
    Humidity47%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:58 am
  • Sunset
    Sunset7:14 pm

Night

44°
Partly Cloudy Night
Rain drop
11%
NNE 10 mph

A few clouds from time to time. Low 44F. Winds NNE at 10 to 15 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:27 am
  • Moonset
    Moonset12:00 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%
NE 13 mph

Mostly cloudy. High 64F. Winds NE at 10 to 15 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:56 am
  • Sunset
    Sunset7:15 pm

Night

43°
Partly Cloudy Night
Rain drop
14%
E 10 mph

Partly cloudy. Low 43F. Winds E at 5 to 10 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:20 am
  • Moonset
    Moonset1:14 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Scattered Showers Day AM Showers
65°/44°
Rain drop 33%
Add

Day

65°
Scattered Showers Day
Rain drop
33%
S 13 mph

Chance of a shower or two during the morning, followed by partly cloudy skies in the afternoon. High near 65F. Winds S at 10 to 15 mph. Chance of rain 30%.

  • Humidity
    Humidity57%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:55 am
  • Sunset
    Sunset7:16 pm

Night

44°
Mostly Cloudy Night
Rain drop
20%
WNW 11 mph

Mainly cloudy. Low 44F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:22 am
  • Moonset
    Moonset2:21 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Partly Cloudy Day Partly Cloudy
63°/41°
Rain drop 21%
Add

Day

63°
Partly Cloudy Day
Rain drop
21%
WNW 14 mph

Partly cloudy. High 63F. Winds WNW at 10 to 20 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:53 am
  • Sunset
    Sunset7:17 pm

Night

41°
Partly Cloudy Night
Rain drop
23%
NW 10 mph

Partly cloudy skies. Low 41F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:32 pm
  • Moonset
    Moonset3:17 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Partly Cloudy Day Partly Cloudy
62°/44°
Rain drop 23%
Add

Day

62°
Partly Cloudy Day
Rain drop
23%
WNW 11 mph

Partly cloudy. High 62F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:18 pm

Night

44°
Partly Cloudy Night
Rain drop
19%
SSE 8 mph

Partly cloudy in the evening with more clouds for later at night. Low 44F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:44 pm
  • Moonset
    Moonset4:03 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Partly Cloudy Day Partly Cloudy
66°/50°
Rain drop 16%
Add

Day

66°
Partly Cloudy Day
Rain drop
16%
S 14 mph

Considerable clouds early. Some decrease in clouds later in the day. High 66F. Winds S at 10 to 20 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:50 am
  • Sunset
    Sunset7:19 pm

Night

50°
Scattered Showers Night
Rain drop
33%
S 11 mph

Partly cloudy skies early giving way to a few showers after midnight. Low near 50F. Winds S at 10 to 15 mph. Chance of rain 30%.

  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:56 pm
  • Moonset
    Moonset4:39 am
  • Moon Phase - Day 10 Waxing Gibbous
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