Weather Forecast and Conditions for O'Fallon, Illinois - The Weather Channel | Weather.com
Advertisement
Advertisement
Advertisement
Advertisement
47° Clear Night
Clear
Day 62° • Night 36°
Feels Like42°
Sunrise

7:13 am

Sunset

7:04 pm

Temperature
High / Low
62°/36°
Wind
11 mph
Humidity
Humidity
50%
Dew point
Dew Point
29°
Pressure
Pressure
29.84 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 24
Moon Phase
Waning Crescent

Hourly Weather-

Now

Clear Night Clear
46°
Rain drop 1%
SW 11 mph
Subtract

Clear

  • Temperature feels like
    Feels Like41°
  • WindSW 11 mph
  • Humidity
    Humidity51%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover13%
  • Rain drop
    Rain Amount0 in

7 am

Mostly Clear Night Mostly Clear
47°
Rain drop 1%
SW 12 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like42°
  • WindSW 12 mph
  • Humidity
    Humidity49%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover25%
  • Rain drop
    Rain Amount0 in

8 am

Partly Cloudy Day Partly Cloudy
48°
Rain drop 0%
WSW 12 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like43°
  • WindWSW 12 mph
  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover30%
  • Rain drop
    Rain Amount0 in

9 am

Partly Cloudy Day Partly Cloudy
50°
Rain drop 0%
WSW 15 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like45°
  • WindWSW 15 mph
  • Humidity
    Humidity49%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover54%
  • Rain drop
    Rain Amount0 in
Advertisement

10 Day Weather-

Today

Partly Cloudy Day Partly Cloudy
62°/36°
Rain drop 1%
Subtract

Day

62°
Partly Cloudy Day
Rain drop
1%
W 18 mph

Partly cloudy. High 62F. Winds W at 15 to 25 mph. Higher wind gusts possible.

  • Humidity
    Humidity39%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:13 am
  • Sunset
    Sunset7:04 pm

Night

36°
Partly Cloudy Night
Mixed precipitation
2%
NNE 6 mph

Some clouds. Low 36F. Winds NNE at 5 to 10 mph.

  • Humidity
    Humidity52%
  • 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°/54°
Rain drop 2%
Add

Day

63°
Mostly Clear Day
Rain drop
2%
ESE 14 mph

A few passing clouds, otherwise generally 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

54°
Partly Cloudy Night
Rain drop
5%
SSE 14 mph

Partly cloudy. Low 54F. Winds SSE at 10 to 20 mph.

  • Humidity
    Humidity66%
  • 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
67°/19°
Rain drop 75%
Add

Day

67°
Scattered Thunderstorms
Rain drop
75%
SSW 24 mph

Windy. Thunderstorms becoming likely in the afternoon. Potential for severe thunderstorms. High 67F. Winds SSW at 20 to 30 mph. Chance of rain 80%.

  • Humidity
    Humidity70%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:10 am
  • Sunset
    Sunset7:06 pm

Night

19°
Rain
Rain drop
84%
WNW 22 mph

Cloudy and windy with occasional rain...mainly in the evening. Thunder possible. Low 19F. Winds WNW at 20 to 30 mph. Chance of rain 80%.

  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:29 am
  • Moonset
    Moonset3:38 pm
  • Moon Phase - Day 26 Waning Crescent

Mon 16

Windy Cloudy/Wind
27°/12°
Rain drop 14%
Add

Day

27°
Windy
Mixed precipitation
14%
WNW 22 mph

Cloudy and windy. Cold. High 27F. Winds WNW at 20 to 30 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:07 pm

Night

12°
Partly Cloudy Night
Snowflake
1%
NW 15 mph

Some clouds early will give way to generally clear conditions overnight. Low 12F. 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
Advertisement
Advertisement
Advertisement
Advertisement
Advertisement
Advertisement