Weather Forecast and Conditions for O'Fallon, Illinois 62269 - The Weather Channel | Weather.com
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54° Clear Night
Clear
Day 65° • Night 53°
Feels Like52°
Sunrise

7:10 am

Sunset

7:06 pm

Temperature
High / Low
--/53°
Wind
8 mph
Humidity
Humidity
66%
Dew point
Dew Point
43°
Pressure
Pressure
29.75 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 25
Moon Phase
Waning Crescent

Hourly Weather-

Now

Mostly Clear Night Mostly Clear
54°
Rain drop 2%
SSE 8 mph
Subtract

Mostly Clear

  • Temperature feels like
    Feels Like52°
  • WindSSE 8 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover28%
  • Rain drop
    Rain Amount0 in

2 am

Mostly Clear Night Mostly Clear
55°
Rain drop 2%
S 8 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like53°
  • WindS 8 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover20%
  • Rain drop
    Rain Amount0 in

3 am

Partly Cloudy Night Partly Cloudy
55°
Rain drop 2%
S 10 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like53°
  • WindS 10 mph
  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover35%
  • Rain drop
    Rain Amount0 in

4 am

Cloudy Cloudy
56°
Rain drop 2%
S 12 mph
Add

Cloudy

  • Temperature feels like
    Feels Like54°
  • WindS 12 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover84%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

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.

  • Humidity
    Humidity69%
  • 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%
Add

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 rain ending overnight. 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%
Add

Day

30°
Windy
Mixed precipitation
15%
WNW 23 mph

Windy. Cloudy skies will become partly cloudy in the afternoon. 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
    Sunrise7:08 am
  • Sunset
    Sunset7:07 pm

Night

14°
Mostly Clear Night
NW 16 mph

A mostly clear sky. 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%
Add

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
13%
SSE 13 mph

Overcast. 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
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