Weather Forecast and Conditions for O'Fallon, Missouri - The Weather Channel | Weather.com
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60° Sunny
Sunny
Day 61° • Night 35°
Feels Like58°
Sunrise

7:16 am

Sunset

7:07 pm

Temperature
High / Low
61°/35°
Wind
15 mph
Humidity
Humidity
23%
Dew point
Dew Point
22°
Pressure
Pressure
29.97 in
UV index
UV Index
5 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 24
Moon Phase
Waning Crescent

Hourly Weather-

Now

Mostly Clear Day Mostly Sunny
60°
Rain drop 0%
WNW 14 mph
Subtract

Mostly Sunny

  • Temperature feels like
    Feels Like58°
  • WindWNW 14 mph
  • Humidity
    Humidity23%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover28%
  • Rain drop
    Rain Amount0 in

4 pm

Partly Cloudy Day Partly Cloudy
60°
Rain drop 0%
WNW 12 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like58°
  • WindWNW 12 mph
  • Humidity
    Humidity24%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover30%
  • Rain drop
    Rain Amount0 in

5 pm

Partly Cloudy Day Partly Cloudy
59°
Rain drop 0%
NW 11 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like57°
  • WindNW 11 mph
  • Humidity
    Humidity25%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover34%
  • Rain drop
    Rain Amount0 in

6 pm

Mostly Cloudy Day Mostly Cloudy
57°
Rain drop 0%
NW 9 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like55°
  • WindNW 9 mph
  • Humidity
    Humidity29%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover62%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Today

Partly Cloudy Day Partly Cloudy
61°/35°
Rain drop 0%
Subtract

Day

61°
Partly Cloudy Day
NW 15 mph

Sunshine and clouds mixed. High 61F. Winds NW at 10 to 20 mph.

  • Humidity
    Humidity24%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:16 am
  • Sunset
    Sunset7:07 pm

Night

35°
Partly Cloudy Night
Mixed precipitation
2%
NE 6 mph

A few clouds. Low around 35F. Winds NE at 5 to 10 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:22 am
  • Moonset
    Moonset1:30 pm
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Partly Cloudy Day Partly Cloudy
64°/54°
Rain drop 2%
Add

Day

64°
Partly Cloudy Day
Rain drop
2%
ESE 14 mph

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

  • Humidity
    Humidity44%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:15 am
  • Sunset
    Sunset7:08 pm

Night

54°
Mostly Cloudy Night
Rain drop
4%
SSE 12 mph

Partly cloudy during the evening followed by cloudy skies overnight. Low 54F. Winds SSE at 10 to 15 mph.

  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:00 am
  • Moonset
    Moonset2:35 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Scattered Thunderstorms PM Thunderstorms
66°/17°
Rain drop 90%
Add

Day

66°
Scattered Thunderstorms
Rain drop
90%
SSW 20 mph

Cloudy in the morning, then thunderstorms developing later in the day. Potential for severe thunderstorms. High 66F. Winds SSW at 15 to 25 mph. Chance of rain 90%.

  • Humidity
    Humidity67%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:13 am
  • Sunset
    Sunset7:09 pm

Night

17°
Rain, Snow, Wintery Mix
Snowflake
92%
WNW 22 mph

Windy with rain and snow in the evening. Then mainly snow showers late. Low 17F. Winds WNW at 20 to 30 mph. Chance of snow 90%. Snow accumulations less than one inch. 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
30°/12°
Rain drop 10%
Add

Day

30°
Windy
Mixed precipitation
10%
WNW 20 mph

Windy. Cloudy skies will become partly cloudy in the afternoon. Cold. High around 30F. Winds WNW at 20 to 30 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:12 am
  • Sunset
    Sunset7:10 pm

Night

12°
Partly Cloudy Night
Snowflake
1%
NW 14 mph

A few clouds. Low 12F. 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
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