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At least 100 dead, major disaster declared after catastrophic Texas flood. Read the latest Chevron right
Flash flood threat to continue in central Texas into midweek. Get details Chevron right

OFallon, MO

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OFallon, MO Weather
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Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities

July 8 - August 21

Tue 7/8

88° /68°
89%
Humid with intervals of clouds and sunshine; a thunderstorm this afternoon; storms can bring flooding downpours and localized damaging wind gusts

RealFeel®100°

RealFeel Shade™92°

Max UV Index11 (Extreme)

WindSW 7 mph

Wed 7/9

85° /68°
42%
Cloudy most of the time with a stray thunderstorm in the afternoon

RealFeel®96°

RealFeel Shade™87°

Max UV Index9 (Very High)

WindWNW 7 mph

Thu 7/10

88° /71°
15%
Clouds breaking for some sun

RealFeel®103°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindESE 1 mph

Fri 7/11

92° /70°
25%
Partly sunny and humid

RealFeel®101°

RealFeel Shade™94°

Max UV Index11 (Extreme)

WindSSW 10 mph

Sat 7/12

83° /68°
65%
Partly sunny with a couple of thunderstorms in the afternoon

RealFeel®92°

RealFeel Shade™84°

Max UV Index11 (Extreme)

WindNNW 9 mph

Sun 7/13

85° /68°
44%
Mostly cloudy with a thunderstorm in spots

RealFeel®93°

RealFeel Shade™86°

Max UV Index6 (High)

WindS 7 mph

Mon 7/14

87° /70°
60%
Times of sun and clouds with a thunderstorm

RealFeel®92°

RealFeel Shade™88°

Max UV Index6 (High)

WindSW 7 mph

Tue 7/15

86° /69°
40%
Times of sun and clouds with a thunderstorm in spots; very humid

RealFeel®102°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindW 6 mph

Wed 7/16

85° /71°
71%
Clouds and breaks of sun with a couple of thunderstorms in the afternoon

RealFeel®92°

RealFeel Shade™87°

Max UV Index11 (Extreme)

WindSW 10 mph

Thu 7/17

87° /70°
60%
Mostly cloudy; a morning shower in spots followed by a little rain in the afternoon

RealFeel®92°

RealFeel Shade™85°

Max UV Index11 (Extreme)

WindNE 6 mph

Fri 7/18

87° /69°
3%
Sunshine and a few clouds

RealFeel®93°

RealFeel Shade™85°

Max UV Index11 (Extreme)

WindENE 5 mph

Sat 7/19

84° /68°
2%
Sunny much of the time

RealFeel®92°

RealFeel Shade™83°

Max UV Index11 (Extreme)

WindESE 5 mph

Sun 7/20

88° /68°
2%
Mostly sunny

RealFeel®99°

RealFeel Shade™89°

Max UV Index11 (Extreme)

WindS 4 mph

Mon 7/21

90° /67°
5%
Plenty of sunshine

RealFeel®101°

RealFeel Shade™93°

Max UV Index10 (Very High)

WindSE 4 mph

Tue 7/22

89° /71°
20%
Sunny

RealFeel®100°

RealFeel Shade™93°

Max UV Index10 (Very High)

WindSE 6 mph

Wed 7/23

90° /71°
25%
Mostly cloudy and humid

RealFeel®100°

RealFeel Shade™96°

Max UV Index4 (Moderate)

WindSSW 4 mph

Thu 7/24

91° /70°
10%
Mostly sunny and less humid

RealFeel®95°

RealFeel Shade™90°

Max UV Index10 (Very High)

WindENE 8 mph

Fri 7/25

90° /72°
25%
Clouds to start, then sunshine returns and humid

RealFeel®100°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindS 10 mph

Sat 7/26

92° /72°
5%
Brilliant sunshine and hot

RealFeel®99°

RealFeel Shade™93°

Max UV Index10 (Very High)

WindSW 7 mph

Sun 7/27

92° /71°
20%
Hot with sun and some clouds

RealFeel®97°

RealFeel Shade™92°

Max UV Index7 (High)

WindSW 7 mph

Mon 7/28

91° /71°
39%
Hot with sun and some clouds; a thunderstorm in spots in the afternoon

RealFeel®98°

RealFeel Shade™93°

Max UV Index10 (Very High)

WindN 7 mph

Tue 7/29

88° /70°
5%
Plenty of sun

RealFeel®100°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindNE 2 mph

Wed 7/30

90° /70°
20%
Partly sunny

RealFeel®97°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindESE 5 mph

Thu 7/31

91° /71°
10%
Mostly sunny

RealFeel®101°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindSSE 6 mph

Fri 8/1

89° /70°
70%
Cloudy and humid with showers and thunderstorms, especially early in the day

RealFeel®97°

RealFeel Shade™97°

Max UV Index2 (Low)

WindSSW 5 mph

Sat 8/2

85° /70°
55%
More sun than clouds with a thundershower in the afternoon

RealFeel®93°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindWNW 7 mph

Sun 8/3

84° /68°
25%
Mostly sunny

RealFeel®96°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindNW 4 mph

Mon 8/4

84° /69°
10%
Sunshine

RealFeel®95°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindSSE 4 mph

Tue 8/5

89° /70°
39%
Increasing clouds and humid; a thunderstorm in spots in the afternoon

RealFeel®100°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindSW 6 mph

Wed 8/6

84° /65°
55%
Cloudy; a little morning rain followed by a shower in spots in the afternoon

RealFeel®82°

RealFeel Shade™82°

Max UV Index2 (Low)

WindNE 12 mph

Thu 8/7

82° /63°
25%
Considerable cloudiness

RealFeel®82°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindNE 6 mph

Fri 8/8

82° /70°
55%
A bit of rain in the morning; otherwise, considerable cloudiness

RealFeel®86°

RealFeel Shade™83°

Max UV Index3 (Moderate)

WindS 6 mph

Sat 8/9

86° /70°
25%
Rather cloudy and humid

RealFeel®90°

RealFeel Shade™90°

Max UV Index4 (Moderate)

WindS 8 mph

Sun 8/10

89° /71°
20%
Sunny to partly cloudy and humid

RealFeel®98°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindSSW 8 mph

Mon 8/11

90° /71°
5%
Brilliant sunshine and humid

RealFeel®104°

RealFeel Shade™96°

Max UV Index9 (Very High)

WindS 6 mph

Tue 8/12

90° /70°
20%
Partly sunny and uncomfortably humid

RealFeel®100°

RealFeel Shade™95°

Max UV Index9 (Very High)

WindSSW 8 mph

Wed 8/13

89° /71°
20%
Mostly sunny and humid

RealFeel®99°

RealFeel Shade™95°

Max UV Index9 (Very High)

WindSSW 7 mph

Thu 8/14

91° /71°
20%
Partly sunny and humid

RealFeel®99°

RealFeel Shade™95°

Max UV Index9 (Very High)

WindSSW 9 mph

Fri 8/15

91° /70°
39%
Hot with intervals of clouds and sun; a thunderstorm on the prowl in the afternoon

RealFeel®96°

RealFeel Shade™96°

Max UV Index6 (High)

WindW 8 mph

Sat 8/16

89° /69°
25%
Cloudy

RealFeel®91°

RealFeel Shade™91°

Max UV Index2 (Low)

WindENE 7 mph

Sun 8/17

83° /68°
65%
Humid with intervals of clouds and sunshine; a couple of afternoon showers and a thunderstorm

RealFeel®94°

RealFeel Shade™89°

Max UV Index9 (Very High)

WindSSE 6 mph

Mon 8/18

85° /62°
65%
Partly sunny with a couple of showers and a thunderstorm, mainly later

RealFeel®95°

RealFeel Shade™88°

Max UV Index9 (Very High)

WindSSE 2 mph

Tue 8/19

85° /62°
40%
Partly sunny; a thundershower in spots in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®93°

RealFeel Shade™87°

Max UV Index8 (Very High)

WindENE 4 mph

Wed 8/20

87° /66°
1%
Plenty of sunshine

RealFeel®94°

RealFeel Shade™89°

Max UV Index8 (Very High)

WindNE 2 mph

Thu 8/21

90° /68°
3%
Plenty of sunshine

RealFeel®99°

RealFeel Shade™96°

Max UV Index8 (Very High)

WindN 1 mph

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World North America United States Missouri OFallon

Weather Near OFallon:

  • St. Charles, MO
  • St. Louis, MO
  • St. Peters, MO
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