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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 12:19 am CDT
alertLevel3

Wind Advisory

Tonight

Partly Cloudy Night Partly Cloudy
--/53°
Rain drop 2%
Subtract

Night

53°
Partly Cloudy Night
Rain drop
2%
S 16 mph

Partly cloudy. Low 53F. Winds S at 10 to 20 mph.

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Powerful Winter Storm To Bury North

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:57 am
  • Moonset
    Moonset2:32 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Strong Storms alertLevel3
Strong Storms/Wind
66°/23°
Rain drop 100%
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Day

66°
Strong Storms alertLevel3
Rain drop
100%
SSW 25 mph

Windy. Strong thunderstorms developing in the afternoon. Damaging winds with some storms. High 66F. Winds SSW at 20 to 30 mph. Chance of rain 100%.

  • Humidity
    Humidity71%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:10 am
  • Sunset
    Sunset7:06 pm

Night

23°
Rain
Rain drop
78%
WNW 25 mph

Cloudy and windy with occasional rain...mainly in the evening. Low 23F. Winds WNW at 25 to 35 mph. Chance of rain 80%. Winds could occasionally gust over 40 mph.

  • Humidity
    Humidity77%
  • 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
30°/14°
Rain drop 15%
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Day

30°
Windy
Mixed precipitation
15%
WNW 23 mph

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

  • Humidity
    Humidity59%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:07 pm

Night

14°
Mostly Clear Night
NW 16 mph

Mainly clear. 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°/31°
Rain drop 0%
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Day

38°
Partly Cloudy Day
W 7 mph

Intervals of clouds and sunshine. 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

31°
Cloudy
Mixed precipitation
12%
SSE 13 mph

Cloudy. Low 31F. Winds SSE at 10 to 15 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 Partly Cloudy
64°/41°
Rain drop 5%
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Day

64°
Partly Cloudy Day
Rain drop
5%
SW 14 mph

Partly cloudy. High 64F. Winds SW at 10 to 20 mph.

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

Night

41°
Partly Cloudy Night
Rain drop
5%
SSW 6 mph

A few clouds. Low 41F. Winds light and variable.

  • Humidity
    Humidity71%
  • 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°/44°
Rain drop 5%
Add

Day

73°
Partly Cloudy Day
Rain drop
5%
W 10 mph

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

  • Humidity
    Humidity55%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:04 am
  • Sunset
    Sunset7:10 pm

Night

44°
Partly Cloudy Night
Rain drop
8%
NNE 6 mph

A few clouds. Low 44F. Winds NNE at 5 to 10 mph.

  • Humidity
    Humidity74%
  • 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
71°/47°
Rain drop 8%
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Day

71°
Partly Cloudy Day
Rain drop
8%
WNW 10 mph

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

  • Humidity
    Humidity59%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:02 am
  • Sunset
    Sunset7:11 pm

Night

47°
Partly Cloudy Night
Rain drop
2%
WNW 8 mph

A few clouds. Low 47F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity62%
  • 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
64°/40°
Rain drop 4%
Add

Day

64°
Partly Cloudy Day
Rain drop
4%
NNW 11 mph

Partly cloudy skies. High 64F. Winds NNW at 10 to 15 mph.

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

Night

40°
Mostly Clear Night
Rain drop
6%
NNE 7 mph

Mostly clear skies. Low around 40F. Winds NNE at 5 to 10 mph.

  • Humidity
    Humidity64%
  • 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
64°/45°
Rain drop 4%
Add

Day

64°
Mostly Clear Day
Rain drop
4%
SSE 12 mph

Sunshine along with some cloudy intervals. High 64F. Winds SSE at 10 to 15 mph.

  • Humidity
    Humidity51%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:59 am
  • Sunset
    Sunset7:13 pm

Night

45°
Partly Cloudy Night
Rain drop
2%
SSE 9 mph

A few clouds from time to time. Low around 45F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity60%
  • 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
66°/46°
Rain drop 2%
Add

Day

66°
Partly Cloudy Day
Rain drop
2%
SSE 13 mph

Sunshine and clouds mixed. High 66F. Winds SSE at 10 to 15 mph.

  • Humidity
    Humidity49%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:58 am
  • Sunset
    Sunset7:14 pm

Night

46°
Partly Cloudy Night
Rain drop
10%
NE 11 mph

A few clouds from time to time. Low 46F. Winds NE at 10 to 15 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:26 am
  • Moonset
    Moonset12:00 am
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Mostly Cloudy Day Mostly Cloudy
64°/42°
Rain drop 10%
Add

Day

64°
Mostly Cloudy Day
Rain drop
10%
NE 13 mph

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

  • Humidity
    Humidity53%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:56 am
  • Sunset
    Sunset7:15 pm

Night

42°
Partly Cloudy Night
Rain drop
14%
E 10 mph

Partly cloudy. Low 42F. 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
64°/44°
Rain drop 33%
Add

Day

64°
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 64F. 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

Mostly 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
62°/41°
Rain drop 21%
Add

Day

62°
Partly Cloudy Day
Rain drop
21%
WNW 14 mph

Partly cloudy skies. High 62F. 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

A few clouds. Low 41F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity62%
  • 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

Sunshine and clouds mixed. 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
20%
SE 8 mph

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

  • Humidity
    Humidity65%
  • 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
65°/49°
Rain drop 17%
Add

Day

65°
Partly Cloudy Day
Rain drop
17%
S 14 mph

Considerable clouds early. Some decrease in clouds later in the day. High around 65F. Winds S at 10 to 20 mph.

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

Night

49°
Scattered Showers Night
Rain drop
33%
S 11 mph

Partly cloudy during the evening. A few showers developing later during the night. Low 49F. Winds S at 10 to 15 mph. Chance of rain 30%.

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:56 pm
  • Moonset
    Moonset4:39 am
  • Moon Phase - Day 10 Waxing Gibbous
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