O'Fallon, MO

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Current Weather Forecast for O'Fallon

MO 63368  |   8:14am

Weather Conditions

74°
Feels Like 74°
Partly / Cloudy
Partly Cloudy
69° 84°
UV Index
1
UV Index
Air Quality
Good
Air Quality
Wind
WSW 5 mph
Wind
Rain
0 in
rain

Today

Thu 6/25
84°
Highest Temperature
Scattered Thunderstorms
54%
Partly cloudy with afternoon showers or thunderstorms. Gusty winds and small hail are possible. High 84F. Winds light and variable. Chance of rain 50%.

Tonight

Thu 6/25
69°
Lowest Temperature
Showers
89%
Showers and thundershowers likely. Gusty winds and small hail are possible. Low 69F. Winds ESE at 5 to 10 mph. Chance of rain 90%. 1 to 2 inches of rain expected.

Tomorrow

Fri 6/26
78°
Highest Temperature
Scattered Thunderstorms
84%
Thunderstorms in the morning will give way to cloudy skies late. High 78F. Winds SW at 5 to 10 mph. Chance of rain 80%. Locally heavy rainfall possible.

Local Weather Radar - O'Fallon, MO

Live O'Fallon Local Radar Forecast by FOX Weather

Next 12 Hours Forecast in O'Fallon

Hourly Weather Forecast & Temperature

9AM
Partly / Cloudy
4%
76°
Feels Like 76°
Partly Cloudy
Wind
W 6 mph
Wind
Pressure
1015 mb
Pressure
Humidity
84%
Humidity
UV Index
3
UV Index
Visibility
10mi
Visibility
Visibility
35%
Cloud Cover
10AM
Partly / Cloudy
5%
79°
Feels Like 84°
Partly Cloudy
Wind
WSW 4 mph
Wind
Pressure
1015 mb
Pressure
Humidity
78%
Humidity
UV Index
5
UV Index
Visibility
10mi
Visibility
Visibility
30%
Cloud Cover
11AM
Partly / Cloudy
10%
81°
Feels Like 86°
Partly Cloudy
Wind
WSW 4 mph
Wind
Pressure
1015 mb
Pressure
Humidity
74%
Humidity
UV Index
7
UV Index
Visibility
10mi
Visibility
Visibility
47%
Cloud Cover
12PM
Mostly Cloudy
20%
81°
Feels Like 86°
Mostly Cloudy
Wind
W 3 mph
Wind
Pressure
1015 mb
Pressure
Humidity
72%
Humidity
UV Index
6
UV Index
Visibility
10mi
Visibility
Visibility
76%
Cloud Cover
1PM
Scattered Thunderstorms
49%
82°
Feels Like 87°
Scattered Thunderstorms
Wind
W 2 mph
Wind
Pressure
1014 mb
Pressure
Humidity
72%
Humidity
UV Index
6
UV Index
Visibility
7mi
Visibility
Visibility
76%
Cloud Cover
2PM
Scattered Thunderstorms
47%
82°
Feels Like 87°
Scattered Thunderstorms
Wind
WNW 3 mph
Wind
Pressure
1014 mb
Pressure
Humidity
71%
Humidity
UV Index
6
UV Index
Visibility
7mi
Visibility
Visibility
83%
Cloud Cover
3PM
Mostly Cloudy
15%
83°
Feels Like 89°
Mostly Cloudy
Wind
WNW 2 mph
Wind
Pressure
1013 mb
Pressure
Humidity
68%
Humidity
UV Index
5
UV Index
Visibility
10mi
Visibility
Visibility
79%
Cloud Cover
4PM
Mostly Cloudy
19%
83°
Feels Like 89°
Mostly Cloudy
Wind
NNW 3 mph
Wind
Pressure
1013 mb
Pressure
Humidity
69%
Humidity
UV Index
4
UV Index
Visibility
10mi
Visibility
Visibility
74%
Cloud Cover
5PM
Cloudy
16%
83°
Feels Like 88°
Cloudy
Wind
NNE 4 mph
Wind
Pressure
1013 mb
Pressure
Humidity
67%
Humidity
UV Index
2
UV Index
Visibility
10mi
Visibility
Visibility
85%
Cloud Cover
6PM
Scattered Thunderstorms
55%
81°
Feels Like 86°
Scattered Thunderstorms
Wind
NE 3 mph
Wind
Pressure
1012 mb
Pressure
Humidity
68%
Humidity
UV Index
1
UV Index
Visibility
7mi
Visibility
Visibility
74%
Cloud Cover
7PM
Thunderstorms
62%
78°
Feels Like 83°
Thunderstorms
Wind
ESE 5 mph
Wind
Pressure
1013 mb
Pressure
Humidity
81%
Humidity
UV Index
0
UV Index
Visibility
6mi
Visibility
Visibility
94%
Cloud Cover
8PM
Showers
44%
76°
Feels Like 80°
Showers
Wind
ENE 3 mph
Wind
Pressure
1013 mb
Pressure
Humidity
83%
Humidity
UV Index
0
UV Index
Visibility
7mi
Visibility
Visibility
95%
Cloud Cover
Thu 6/25
Thu
Scattered Thunderstorms
54%
69°
84°
Afternoon showers and thunderstorms. Highs in the mid 80s and lows in the upper 60s.
Feels Like
89°
Feels Like
Wind
WNW 5 mph
Wind
Humidity
74%
Humidity
UV Index
6
UV Index
Visibility
5:39 AM
Sunrise
Visibility
8:32 PM
Sunset
Fri 6/26
Fri
Scattered Thunderstorms
84%
69°
78°
Morning thunderstorms. Highs in the upper 70s and lows in the upper 60s.
Feels Like
82°
Feels Like
Wind
SW 7 mph
Wind
Humidity
90%
Humidity
UV Index
4
UV Index
Visibility
5:39 AM
Sunrise
Visibility
8:32 PM
Sunset
Sat 6/27
Sat
Cloudy
23%
68°
82°
Cloudy. Highs in the low 80s and lows in the low 70s.
Feels Like
87°
Feels Like
Wind
ESE 5 mph
Wind
Humidity
81%
Humidity
UV Index
5
UV Index
Visibility
5:40 AM
Sunrise
Visibility
8:32 PM
Sunset
Sun 6/28
Sun
Fair / Mostly Sunny
8%
72°
95°
Plenty of sun. Highs in the mid 90s and lows in the mid 70s.
Feels Like
105°
Feels Like
Wind
S 9 mph
Wind
Humidity
69%
Humidity
UV Index
9
UV Index
Visibility
5:40 AM
Sunrise
Visibility
8:32 PM
Sunset
Mon 6/29
Mon
Fair / Mostly Sunny
6%
74°
97°
More sun than clouds. Highs in the upper 90s and lows in the mid 70s.
Feels Like
108°
Feels Like
Wind
SSW 9 mph
Wind
Humidity
62%
Humidity
UV Index
9
UV Index
Visibility
5:40 AM
Sunrise
Visibility
8:32 PM
Sunset
Tue 6/30
Tue
Sunny
5%
75°
97°
Sunny. Highs in the upper 90s and lows in the mid 70s.
Feels Like
106°
Feels Like
Wind
SSW 7 mph
Wind
Humidity
59%
Humidity
UV Index
9
UV Index
Visibility
5:41 AM
Sunrise
Visibility
8:32 PM
Sunset
Wed 7/1
Wed
Fair / Mostly Sunny
5%
74°
97°
Plenty of sun. Highs in the upper 90s and lows in the mid 70s.
Feels Like
105°
Feels Like
Wind
SSW 6 mph
Wind
Humidity
57%
Humidity
UV Index
10
UV Index
Visibility
5:41 AM
Sunrise
Visibility
8:32 PM
Sunset
Thu 7/2
Thu
Fair / Mostly Sunny
15%
75°
96°
Plenty of sun. Highs in the mid 90s and lows in the mid 70s.
Feels Like
104°
Feels Like
Wind
SW 5 mph
Wind
Humidity
59%
Humidity
UV Index
10
UV Index
Visibility
5:42 AM
Sunrise
Visibility
8:32 PM
Sunset
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