Weather Forecast and Conditions for O'Fallon, Illinois 62269 - The Weather Channel | Weather.com
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38° Clear Night
Clear
Day 62° • Night 36°
Feels Like38°
Sunrise

7:12 am

Sunset

7:05 pm

Temperature
High / Low
--/36°
Wind
3 mph
Humidity
Humidity
73%
Dew point
Dew Point
30°
Pressure
Pressure
30.12 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 24
Moon Phase
Waning Crescent

Hourly Weather-

Now

Mostly Clear Night Mostly Clear
38°
Rain drop 1%
NE 4 mph
Subtract

Mostly Clear

  • Temperature feels like
    Feels Like35°
  • WindNE 4 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover20%
  • Mixed precipitation
    Precip Amount0 in

4 am

Partly Cloudy Night Partly Cloudy
37°
Rain drop 5%
NE 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like34°
  • WindNE 4 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover36%
  • Mixed precipitation
    Precip Amount0 in

5 am

Partly Cloudy Night Partly Cloudy
36°
Rain drop 1%
ENE 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like33°
  • WindENE 4 mph
  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover51%
  • Mixed precipitation
    Precip Amount0 in

6 am

Partly Cloudy Night Partly Cloudy
37°
Rain drop 2%
ENE 5 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like33°
  • WindENE 5 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover52%
  • Mixed precipitation
    Precip Amount0 in
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10 Day Weather-

Tonight

Partly Cloudy Night Partly Cloudy
--/36°
Rain drop 1%
Subtract

Night

36°
Partly Cloudy Night
Mixed precipitation
1%
NE 5 mph

Partly cloudy skies. Low 36F. Winds light and variable.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:18 am
  • Moonset
    Moonset1:27 pm
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Mostly Clear Day Mostly Sunny
63°/55°
Rain drop 1%
Add

Day

63°
Mostly Clear Day
Rain drop
1%
ESE 14 mph

A few clouds early, otherwise mostly sunny. High 63F. Winds ESE at 10 to 20 mph.

  • Humidity
    Humidity46%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:12 am
  • Sunset
    Sunset7:05 pm

Night

55°
Partly Cloudy Night
Rain drop
5%
SSE 16 mph

Mostly clear skies in the evening then becoming cloudy overnight. Low around 55F. Winds SSE at 10 to 20 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:57 am
  • Moonset
    Moonset2:32 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Scattered Thunderstorms PM Thunderstorms/Wind
66°/21°
Rain drop 94%
Add

Day

66°
Scattered Thunderstorms
Rain drop
94%
SSW 24 mph

Windy with thunderstorms developing later in the day. Severe thunderstorms expected. High 66F. Winds SSW at 20 to 30 mph. Chance of rain 90%.

  • Humidity
    Humidity70%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:10 am
  • Sunset
    Sunset7:06 pm

Night

21°
Scattered Thunderstorms Night
Rain drop
86%
WNW 24 mph

Windy at times...showers and thunderstorms in the evening will give way to cloudy skies overnight. Low 21F. Winds WNW at 20 to 30 mph. Chance of rain 90%. Winds could occasionally gust over 40 mph.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:29 am
  • Moonset
    Moonset3:38 pm
  • Moon Phase - Day 26 Waning Crescent

Mon 16

Cloudy Cloudy
29°/14°
Rain drop 8%
Add

Day

29°
Cloudy
Mixed precipitation
8%
WNW 21 mph

Cloudy. Gusty winds in the morning. High 29F. Winds WNW at 20 to 30 mph. Winds could occasionally gust over 40 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:07 pm

Night

14°
Partly Cloudy Night
Snowflake
1%
NW 15 mph

Partly cloudy 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
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