Weather Forecast and Conditions for O'Fallon, Missouri 63366 - The Weather Channel | Weather.com
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76° Mostly Cloudy Day
Showers in the Vicinity
Day 79° • Night 55°
Feels Like76°
Sunrise

6:49 am

Sunset

7:25 pm

Temperature
High / Low
--/55°
Wind
4 mph
Humidity
Humidity
51%
Dew point
Dew Point
57°
Pressure
Pressure
29.83 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 13
Moon Phase
Waxing Gibbous
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Rain

Storms likely for the next several hours. Gusty winds and small hail are possible.

Hourly Weather-

Now

Scattered Thunderstorms Night Scattered Thunderstorms
73°
Rain drop 54%
SW 3 mph
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Scattered Thunderstorms

  • Temperature feels like
    Feels Like73°
  • WindSW 3 mph
  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover66%
  • Rain drop
    Rain Amount0 in

9 pm

Scattered Thunderstorms Night Scattered Thunderstorms
71°
Rain drop 35%
WNW 5 mph
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Scattered Thunderstorms

  • Temperature feels like
    Feels Like71°
  • WindWNW 5 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover79%
  • Rain drop
    Rain Amount0 in

10 pm

Scattered Thunderstorms Night Scattered Thunderstorms
69°
Rain drop 35%
NNW 3 mph
Add

Scattered Thunderstorms

  • Temperature feels like
    Feels Like69°
  • WindNNW 3 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover78%
  • Rain drop
    Rain Amount0 in

11 pm

Cloudy Cloudy
68°
Rain drop 18%
NNW 3 mph
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Cloudy

  • Temperature feels like
    Feels Like68°
  • WindNNW 3 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover98%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Tonight

Thunderstorms Thunderstorms
--/55°
Rain drop 93%
Subtract

Night

55°
Thunderstorms
Rain drop
93%
N 6 mph

Thunderstorms likely. Gusty winds and small hail are possible. Low around 55F. Winds light and variable. Chance of rain 90%.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:19 pm
  • Moonset
    Moonset6:01 am
  • Moon Phase - Day 13 Waxing Gibbous

Wed 01

Thunderstorms Thunderstorms
63°/60°
Rain drop 81%
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Day

63°
Thunderstorms
Rain drop
81%
ENE 9 mph

Thunderstorms in the morning followed by occasional showers in the afternoon. High 63F. Winds ENE at 5 to 10 mph. Chance of rain 80%.

  • Humidity
    Humidity88%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:26 pm

Night

60°
Cloudy
Rain drop
24%
SE 13 mph

Cloudy. Low near 60F. Winds SE at 10 to 15 mph.

  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:22 pm
  • Moonset
    Moonset6:23 am
  • Moon Phase - Day 14 Full Moon

Thu 02

Scattered Showers Day PM Showers/Wind
76°/59°
Rain drop 48%
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Day

76°
Scattered Showers Day
Rain drop
48%
S 21 mph

Windy. Showers developing in the afternoon. Thunder possible. High 76F. Winds S at 20 to 30 mph. Chance of rain 50%.

  • Humidity
    Humidity68%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:46 am
  • Sunset
    Sunset7:27 pm

Night

59°
Scattered Showers Night
Rain drop
42%
SSW 16 mph

Partly cloudy in the evening. Increasing clouds with periods of showers after midnight. Low 59F. Winds SSW at 10 to 20 mph. Chance of rain 40%.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:26 pm
  • Moonset
    Moonset6:46 am
  • Moon Phase - Day 15 Full Moon

Fri 03

Partly Cloudy Day Partly Cloudy
80°/56°
Rain drop 22%
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Day

80°
Partly Cloudy Day
Rain drop
22%
S 13 mph

Partly to mostly cloudy. High around 80F. Winds S at 10 to 20 mph.

  • Humidity
    Humidity71%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:44 am
  • Sunset
    Sunset7:28 pm

Night

56°
Thunderstorms
Rain drop
87%
SSW 11 mph

Thunderstorms likely. Low 56F. Winds SSW at 10 to 15 mph. Chance of rain 90%.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:28 pm
  • Moonset
    Moonset7:10 am
  • Moon Phase - Day 16 Waning Gibbous
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