O'Fallon, MO

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Current Weather Forecast for O'Fallon

MO 63368  |   5:12pm

Weather Conditions

82°
Feels Like 82°
Fair / Mostly Sunny
Fair
45° 84°
UV Index
1
UV Index
Air Quality
Moderate
Air Quality
Wind
S 12 mph
Wind
Rain
0 in
rain

Tonight

Wed 3/25
65°
Lowest Temperature
Fair / Mostly Clear
3%
Mainly clear. Low near 65F. Winds SSW at 10 to 15 mph.

Tomorrow

Thu 3/26
94°
Highest Temperature
Fair / Mostly Sunny
4%
Except for a few afternoon clouds, mainly sunny. Near record high temperatures. High 94F. Winds SW at 10 to 20 mph.

Tomorrow night

Thu 3/26
40°
Lowest Temperature
Thunderstorms
63%
Scattered thunderstorms during the evening becoming more widespread overnight. Potential for severe thunderstorms. Low near 40F. W winds shifting to NNE at 10 to 20 mph. Chance of rain 60%.

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

6PM
Sunny
81°
Feels Like 81°
Sunny
Wind
S 11 mph
Wind
Pressure
1010 mb
Pressure
Humidity
36%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
17%
Cloud Cover
7PM
Sunny
79°
Feels Like 79°
Sunny
Wind
S 9 mph
Wind
Pressure
1010 mb
Pressure
Humidity
39%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
0%
Cloud Cover
8PM
Clear
1%
75°
Feels Like 75°
Clear
Wind
S 7 mph
Wind
Pressure
1010 mb
Pressure
Humidity
45%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
2%
Cloud Cover
9PM
Fair / Mostly Clear
1%
73°
Feels Like 73°
Mostly Clear
Wind
S 8 mph
Wind
Pressure
1010 mb
Pressure
Humidity
48%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
20%
Cloud Cover
10PM
Fair / Mostly Clear
1%
72°
Feels Like 72°
Mostly Clear
Wind
S 8 mph
Wind
Pressure
1010 mb
Pressure
Humidity
50%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
21%
Cloud Cover
11PM
Partly Cloudy
1%
71°
Feels Like 71°
Partly Cloudy
Wind
SSW 9 mph
Wind
Pressure
1010 mb
Pressure
Humidity
52%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
30%
Cloud Cover
12AM
Partly Cloudy
1%
71°
Feels Like 71°
Partly Cloudy
Wind
SSW 10 mph
Wind
Pressure
1010 mb
Pressure
Humidity
53%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
54%
Cloud Cover
1AM
Fair / Mostly Clear
2%
71°
Feels Like 71°
Mostly Clear
Wind
SSW 10 mph
Wind
Pressure
1010 mb
Pressure
Humidity
54%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
23%
Cloud Cover
2AM
Clear
2%
70°
Feels Like 70°
Clear
Wind
SW 11 mph
Wind
Pressure
1009 mb
Pressure
Humidity
57%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
14%
Cloud Cover
3AM
Clear
2%
69°
Feels Like 69°
Clear
Wind
SW 10 mph
Wind
Pressure
1009 mb
Pressure
Humidity
59%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
6%
Cloud Cover
4AM
Clear
2%
68°
Feels Like 68°
Clear
Wind
SW 10 mph
Wind
Pressure
1009 mb
Pressure
Humidity
61%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
2%
Cloud Cover
5AM
Clear
3%
67°
Feels Like 67°
Clear
Wind
SW 9 mph
Wind
Pressure
1009 mb
Pressure
Humidity
64%
Humidity
UV Index
0
UV Index
Visibility
10mi
Visibility
Visibility
8%
Cloud Cover
Wed 3/25
Wed
Fair / Mostly Clear
3%
45°
84°
Mainly clear. Lows overnight in the mid 60s.
Feels Like
82°
Feels Like
Wind
SSW 11 mph
Wind
Humidity
52%
Humidity
UV Index
0
UV Index
Visibility
6:58 AM
Sunrise
Visibility
7:19 PM
Sunset
Thu 3/26
Thu
Fair / Mostly Sunny
4%
56°
94°
More sun than clouds. Highs in the mid 90s and lows in the low 40s.
Feels Like
94°
Feels Like
Wind
SW 16 mph
Wind
Humidity
46%
Humidity
UV Index
6
UV Index
Visibility
6:56 AM
Sunrise
Visibility
7:20 PM
Sunset
Fri 3/27
Fri
Partly / Cloudy
24%
36°
58°
Clouds giving way to sun . Highs in the mid 50s and lows in the upper 20s.
Feels Like
33°
Feels Like
Wind
N 15 mph
Wind
Humidity
58%
Humidity
UV Index
5
UV Index
Visibility
6:55 AM
Sunrise
Visibility
7:21 PM
Sunset
Sat 3/28
Sat
Fair / Mostly Sunny
2%
27°
57°
More sun than clouds. Highs in the upper 50s and lows in the low 40s.
Feels Like
28°
Feels Like
Wind
ESE 9 mph
Wind
Humidity
44%
Humidity
UV Index
6
UV Index
Visibility
6:53 AM
Sunrise
Visibility
7:22 PM
Sunset
Sun 3/29
Sun
Partly / Cloudy
41°
72°
Clouds giving way to sun . Highs in the low 70s and lows in the upper 50s.
Feels Like
72°
Feels Like
Wind
S 11 mph
Wind
Humidity
40%
Humidity
UV Index
4
UV Index
Visibility
6:52 AM
Sunrise
Visibility
7:23 PM
Sunset
Mon 3/30
Mon
Partly / Cloudy
18%
57°
85°
Partly cloudy. Highs in the mid 80s and lows in the low 60s.
Feels Like
85°
Feels Like
Wind
SSW 13 mph
Wind
Humidity
49%
Humidity
UV Index
6
UV Index
Visibility
6:50 AM
Sunrise
Visibility
7:24 PM
Sunset
Tue 3/31
Tue
Mostly Cloudy
20%
63°
86°
Mostly cloudy. Highs in the mid 80s and lows in the low 60s.
Feels Like
86°
Feels Like
Wind
SSW 15 mph
Wind
Humidity
51%
Humidity
UV Index
5
UV Index
Visibility
6:49 AM
Sunrise
Visibility
7:25 PM
Sunset
Wed 4/1
Wed
Scattered Thunderstorms
51%
61°
81°
Scattered thunderstorms possible. Highs in the low 80s and lows in the mid 50s.
Feels Like
81°
Feels Like
Wind
SSW 15 mph
Wind
Humidity
56%
Humidity
UV Index
4
UV Index
Visibility
6:47 AM
Sunrise
Visibility
7:26 PM
Sunset
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