Weather Forecast and Conditions for O'Fallon, Missouri 63366 - The Weather Channel | Weather.com
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74° Clear Night
Clear
Day 83° • Night 61°
Feels Like74°
Sunrise

7:22 am

Sunset

7:03 pm

Temperature
High / Low
--/61°
Wind
11 mph
Humidity
Humidity
62%
Dew point
Dew Point
60°
Pressure
Pressure
29.77 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 20
Moon Phase
Waning Gibbous

Hourly Weather-

Now

Clear Night Clear
72°
Rain drop 2%
SSW 11 mph
Subtract

Clear

  • Temperature feels like
    Feels Like72°
  • WindSSW 11 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover13%
  • Rain drop
    Rain Amount0 in

10 pm

Mostly Clear Night Mostly Clear
71°
Rain drop 2%
SSW 11 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like71°
  • WindSSW 11 mph
  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover21%
  • Rain drop
    Rain Amount0 in

11 pm

Mostly Clear Night Mostly Clear
69°
Rain drop 2%
SSW 10 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like69°
  • WindSSW 10 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover20%
  • Rain drop
    Rain Amount0 in

12 am

Mostly Clear Night Mostly Clear
67°
Rain drop 2%
SSW 9 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like67°
  • WindSSW 9 mph
  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover29%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Tonight

Mostly Clear Night Mostly Clear
--/61°
Rain drop 8%
Subtract

Night

61°
Mostly Clear Night
Rain drop
8%
SSW 11 mph

A few passing clouds, otherwise generally clear. Low 61F. Winds SSW at 10 to 15 mph.

  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:46 am
  • Moonset
    Moonset10:09 am
  • Moon Phase - Day 20 Waning Gibbous

Tue 10

Partly Cloudy Day Partly Cloudy
84°/60°
Rain drop 15%
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Day

84°
Partly Cloudy Day
Rain drop
15%
SSW 16 mph

Intervals of clouds and sunshine. A stray shower or thunderstorm is possible. High 84F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity67%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:21 am
  • Sunset
    Sunset7:04 pm

Night

60°
Thunderstorms
Rain drop
70%
SSW 13 mph

Cloudy skies early with thunderstorms developing later at night. Potential for severe thunderstorms. Low around 60F. Winds SSW at 10 to 20 mph. Chance of rain 70%.

  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:46 am
  • Moonset
    Moonset10:49 am
  • Moon Phase - Day 21 Waning Gibbous

Wed 11

Scattered Showers Day AM Thundershowers
63°/30°
Rain drop 99%
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Day

63°
Scattered Showers Day
Rain drop
99%
WNW 19 mph

Showers and a possible thunderstorm in the morning will give way to cloudy skies late. Potential for heavy rainfall. Morning high of 63F with temps falling to near 50. Winds WNW at 15 to 25 mph. Chance of rain 100%.

  • Humidity
    Humidity78%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:19 am
  • Sunset
    Sunset7:05 pm

Night

30°
Partly Cloudy Night
Mixed precipitation
4%
NNW 14 mph

Partly cloudy. Low around 30F. Winds NNW at 10 to 20 mph.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:44 am
  • Moonset
    Moonset11:35 am
  • Moon Phase - Day 22 Last Quarter

Thu 12

Mostly Clear Day Mostly Sunny
56°/45°
Rain drop 5%
Add

Day

56°
Mostly Clear Day
Rain drop
5%
WSW 9 mph

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

  • Humidity
    Humidity49%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:18 am
  • Sunset
    Sunset7:06 pm

Night

45°
Partly Cloudy Night
SSW 16 mph

Partly cloudy skies. Low near 45F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:36 am
  • Moonset
    Moonset12:30 pm
  • Moon Phase - Day 23 Waning Crescent
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