Weather Forecast and Conditions for O'Fallon, Illinois 62269 - The Weather Channel | Weather.com
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87° Sunny
Sunny
Day 90° • Night 39°
Feels Like89°
Sunrise

6:53 am

Sunset

7:17 pm

Temperature
High / Low
90°/39°
Wind
17 mph
Humidity
Humidity
43%
Dew point
Dew Point
62°
Pressure
Pressure
29.76 in
UV index
UV Index
6 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 8
Moon Phase
Waxing Gibbous

Hourly Weather-

Now

Sunny Sunny
87°
Rain drop 0%
SSW 17 mph
Subtract

Sunny

  • Temperature feels like
    Feels Like89°
  • WindSSW 17 mph
  • Humidity
    Humidity43%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in

2 pm

Sunny Sunny
89°
Rain drop 0%
SSW 19 mph
Add

Sunny

  • Temperature feels like
    Feels Like91°
  • WindSSW 19 mph
  • Humidity
    Humidity40%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in

3 pm

Sunny Sunny
90°
Rain drop 0%
SSW 19 mph
Add

Sunny

  • Temperature feels like
    Feels Like91°
  • WindSSW 19 mph
  • Humidity
    Humidity38%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in

4 pm

Sunny Sunny
89°
Rain drop 0%
SSW 19 mph
Add

Sunny

  • Temperature feels like
    Feels Like91°
  • WindSSW 19 mph
  • Humidity
    Humidity37%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover7%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Today

Partly Cloudy Day Partly Cloudy
90°/39°
Rain drop 1%
Subtract

Day

90°
Partly Cloudy Day
Rain drop
1%
SSW 19 mph

Sunshine and clouds mixed. Near record high temperatures. High near 90F. Winds SSW at 15 to 25 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:53 am
  • Sunset
    Sunset7:17 pm

Night

39°
Scattered Showers Night
Rain drop
85%
N 17 mph

Partly cloudy skies this evening will give way to showers and a possible thunderstorm overnight. Potential for severe thunderstorms. Low 39F. SW winds shifting to NNE at 15 to 25 mph. Chance of rain 90%.

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:32 pm
  • Moonset
    Moonset3:17 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Partly Cloudy Day AM Clouds/PM Sun
55°/27°
Rain drop 20%
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Day

55°
Partly Cloudy Day
Rain drop
20%
N 17 mph

A shower is possible early. Cloudy early with partial sunshine expected late. High near 55F. Winds N at 15 to 25 mph.

  • Humidity
    Humidity62%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:18 pm

Night

27°
Clear Night
Mixed precipitation
3%
N 13 mph

Clear skies. Low 27F. Winds N at 10 to 15 mph.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:44 pm
  • Moonset
    Moonset4:03 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Mostly Clear Day Mostly Sunny
56°/40°
Rain drop 3%
Add

Day

56°
Mostly Clear Day
Rain drop
3%
ESE 11 mph

Generally sunny. High 56F. Winds ESE at 10 to 15 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:50 am
  • Sunset
    Sunset7:19 pm

Night

40°
Mostly Cloudy Night
Rain drop
1%
SSE 8 mph

Partly cloudy skies early will become overcast later during the night. Low near 40F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:56 pm
  • Moonset
    Moonset4:39 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Mostly Cloudy Day Mostly Cloudy
70°/56°
Rain drop 1%
Add

Day

70°
Mostly Cloudy Day
Rain drop
1%
S 13 mph

Mostly cloudy. High around 70F. Winds S at 10 to 20 mph.

  • Humidity
    Humidity41%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:49 am
  • Sunset
    Sunset7:20 pm

Night

56°
Partly Cloudy Night
Rain drop
20%
S 11 mph

A few clouds from time to time. Low 56F. Winds S at 10 to 15 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:05 pm
  • Moonset
    Moonset5:09 am
  • Moon Phase - Day 11 Waxing Gibbous
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