O'Fallon, MO

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Current Weather Forecast for O'Fallon

MO 63368  |   5:02am

Weather Conditions

75°
Feels Like 75°
Clear
Clear
74° 92°
UV Index
0
UV Index
Air Quality
Good
Air Quality
Wind
SW 4 mph
Wind
Rain
0 in
rain

Today

Sat 7/18
92°
Highest Temperature
Fair / Mostly Sunny
23%
Sunshine and a few clouds. A stray shower or thunderstorm is possible. High 92F. Winds W at 10 to 15 mph.

Tonight

Sat 7/18
74°
Lowest Temperature
Partly Cloudy
24%
Partly cloudy. Low 74F. Winds WNW at 5 to 10 mph.

Tomorrow

Sun 7/19
89°
Highest Temperature
Scattered Thunderstorms
48%
Partly cloudy early. Scattered thunderstorms developing in the afternoon. Hot. High 89F. Winds light and variable. Chance of rain 50%.

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

6AM
Sunny
2%
75°
Feels Like 75°
Sunny
Wind
WSW 4 mph
Wind
Pressure
1016 mb
Pressure
Humidity
90%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
0%
Cloud Cover
7AM
Sunny
2%
77°
Feels Like 77°
Sunny
Wind
WSW 4 mph
Wind
Pressure
1016 mb
Pressure
Humidity
87%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
10%
Cloud Cover
8AM
Sunny
4%
79°
Feels Like 85°
Sunny
Wind
WSW 6 mph
Wind
Pressure
1016 mb
Pressure
Humidity
83%
Humidity
UV Index
1
UV Index
Visibility
10mi
Visibility
Visibility
12%
Cloud Cover
9AM
Sunny
2%
82°
Feels Like 90°
Sunny
Wind
WSW 7 mph
Wind
Pressure
1016 mb
Pressure
Humidity
78%
Humidity
UV Index
3
UV Index
Visibility
10mi
Visibility
Visibility
16%
Cloud Cover
10AM
Sunny
1%
85°
Feels Like 94°
Sunny
Wind
W 9 mph
Wind
Pressure
1016 mb
Pressure
Humidity
70%
Humidity
UV Index
5
UV Index
Visibility
10mi
Visibility
Visibility
17%
Cloud Cover
11AM
Fair / Mostly Sunny
1%
88°
Feels Like 96°
Mostly Sunny
Wind
W 9 mph
Wind
Pressure
1015 mb
Pressure
Humidity
64%
Humidity
UV Index
7
UV Index
Visibility
10mi
Visibility
Visibility
20%
Cloud Cover
12PM
Partly / Cloudy
1%
89°
Feels Like 99°
Partly Cloudy
Wind
W 10 mph
Wind
Pressure
1015 mb
Pressure
Humidity
61%
Humidity
UV Index
9
UV Index
Visibility
10mi
Visibility
Visibility
34%
Cloud Cover
1PM
Partly / Cloudy
15%
90°
Feels Like 100°
Partly Cloudy
Wind
W 10 mph
Wind
Pressure
1014 mb
Pressure
Humidity
58%
Humidity
UV Index
9
UV Index
Visibility
10mi
Visibility
Visibility
50%
Cloud Cover
2PM
Partly / Cloudy
15%
91°
Feels Like 100°
Partly Cloudy
Wind
W 10 mph
Wind
Pressure
1014 mb
Pressure
Humidity
56%
Humidity
UV Index
8
UV Index
Visibility
10mi
Visibility
Visibility
53%
Cloud Cover
3PM
Mostly Cloudy
24%
91°
Feels Like 101°
Mostly Cloudy
Wind
W 10 mph
Wind
Pressure
1013 mb
Pressure
Humidity
55%
Humidity
UV Index
7
UV Index
Visibility
10mi
Visibility
Visibility
60%
Cloud Cover
4PM
Mostly Cloudy
15%
89°
Feels Like 98°
Mostly Cloudy
Wind
W 9 mph
Wind
Pressure
1013 mb
Pressure
Humidity
58%
Humidity
UV Index
5
UV Index
Visibility
10mi
Visibility
Visibility
61%
Cloud Cover
5PM
Mostly Cloudy
15%
90°
Feels Like 99°
Mostly Cloudy
Wind
W 10 mph
Wind
Pressure
1012 mb
Pressure
Humidity
57%
Humidity
UV Index
3
UV Index
Visibility
10mi
Visibility
Visibility
62%
Cloud Cover
Sat 7/18
Sat
Fair / Mostly Sunny
23%
74°
92°
Mostly sunny. Highs in the low 90s and lows in the mid 70s.
Feels Like
101°
Feels Like
Wind
W 10 mph
Wind
Humidity
70%
Humidity
UV Index
9
UV Index
Visibility
5:52 AM
Sunrise
Visibility
8:25 PM
Sunset
Sun 7/19
Sun
Scattered Thunderstorms
48%
73°
89°
Showers and thunderstorms late. Highs in the upper 80s and lows in the low 70s.
Feels Like
98°
Feels Like
Wind
NNE 4 mph
Wind
Humidity
74%
Humidity
UV Index
10
UV Index
Visibility
5:53 AM
Sunrise
Visibility
8:24 PM
Sunset
Mon 7/20
Mon
Partly / Cloudy
17%
70°
93°
Mix of sun and clouds. Highs in the low 90s and lows in the mid 70s.
Feels Like
104°
Feels Like
Wind
SSW 5 mph
Wind
Humidity
70%
Humidity
UV Index
10
UV Index
Visibility
5:54 AM
Sunrise
Visibility
8:24 PM
Sunset
Tue 7/21
Tue
Fair / Mostly Sunny
23%
72°
92°
A few clouds. Highs in the low 90s and lows in the mid 60s.
Feels Like
98°
Feels Like
Wind
WNW 10 mph
Wind
Humidity
60%
Humidity
UV Index
10
UV Index
Visibility
5:54 AM
Sunrise
Visibility
8:23 PM
Sunset
Wed 7/22
Wed
Fair / Mostly Sunny
4%
66°
83°
Mostly sunny. Highs in the mid 80s and lows in the low 60s.
Feels Like
84°
Feels Like
Wind
N 8 mph
Wind
Humidity
60%
Humidity
UV Index
10
UV Index
Visibility
5:55 AM
Sunrise
Visibility
8:22 PM
Sunset
Thu 7/23
Thu
Partly / Cloudy
10%
63°
81°
Mix of sun and clouds. Highs in the low 80s and lows in the mid 60s.
Feels Like
82°
Feels Like
Wind
E 6 mph
Wind
Humidity
61%
Humidity
UV Index
9
UV Index
Visibility
5:56 AM
Sunrise
Visibility
8:22 PM
Sunset
Fri 7/24
Fri
Scattered Showers
50%
65°
82°
Showers ending by midday. Highs in the low 80s and lows in the upper 60s.
Feels Like
83°
Feels Like
Wind
SE 7 mph
Wind
Humidity
67%
Humidity
UV Index
8
UV Index
Visibility
5:57 AM
Sunrise
Visibility
8:21 PM
Sunset
Sat 7/25
Sat
Fair / Mostly Sunny
24%
68°
87°
More sun than clouds. Highs in the upper 80s and lows in the low 70s.
Feels Like
90°
Feels Like
Wind
SSE 7 mph
Wind
Humidity
67%
Humidity
UV Index
9
UV Index
Visibility
5:58 AM
Sunrise
Visibility
8:20 PM
Sunset
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