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Vandalia, IL

73°F
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Vandalia

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73°
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Vandalia, IL Weather
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Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities

July 16 - August 29

Wed 7/16

91° /72°
25%
Uncomfortably humid with times of clouds and sun

RealFeel®104°

RealFeel Shade™98°

Max UV Index11 (Extreme)

WindSW 7 mph

Thu 7/17

85° /69°
56%
Very humid with some sunshine giving way to clouds; a thunderstorm in the afternoon; thunderstorms can bring flash flooding and localized damaging wind gusts

RealFeel®100°

RealFeel Shade™91°

Max UV Index11 (Extreme)

WindN 7 mph

Fri 7/18

85° /72°
88%
Mostly cloudy and humid with a couple of showers and a thunderstorm

RealFeel®94°

RealFeel Shade™91°

Max UV Index3 (Moderate)

WindENE 5 mph

Sat 7/19

86° /73°
80%
Periods of sun with a thunderstorm; very humid

RealFeel®102°

RealFeel Shade™96°

Max UV Index9 (Very High)

WindSSW 7 mph

Sun 7/20

87° /72°
40%
Cloudy and very humid with a thunderstorm in spots

RealFeel®101°

RealFeel Shade™95°

Max UV Index4 (Moderate)

WindSW 7 mph

Mon 7/21

87° /73°
44%
Watch for a strong thunderstorm in the morning; very humid with clouds followed by a brightening sky

RealFeel®98°

RealFeel Shade™96°

Max UV Index4 (Moderate)

WindS 6 mph

Tue 7/22

89° /74°
3%
Uncomfortably humid with plenty of sunshine

RealFeel®108°

RealFeel Shade™99°

Max UV Index10 (Very High)

WindSSW 8 mph

Wed 7/23

94° /73°
1%
Hot and very humid with plenty of sun

RealFeel®111°

RealFeel Shade™104°

Max UV Index10 (Very High)

WindSSW 7 mph

Thu 7/24

90° /73°
2%
Uncomfortably humid with plenty of sun

RealFeel®107°

RealFeel Shade™99°

Max UV Index10 (Very High)

WindWNW 5 mph

Fri 7/25

89° /72°
65%
Uncomfortably humid with variable cloudiness; a couple of thunderstorms in the afternoon

RealFeel®108°

RealFeel Shade™105°

Max UV Index10 (Very High)

WindESE 2 mph

Sat 7/26

88° /70°
75%
Mostly cloudy and uncomfortably humid; periods of rain in the afternoon

RealFeel®107°

RealFeel Shade™102°

Max UV Index10 (Very High)

WindESE 2 mph

Sun 7/27

87° /69°
64%
Mostly cloudy and very humid with a couple of thunderstorms, especially late in the day

RealFeel®102°

RealFeel Shade™102°

Max UV Index3 (Moderate)

WindE 4 mph

Mon 7/28

88° /71°
20%
Very humid; mostly cloudy in the morning followed by sun through high clouds

RealFeel®100°

RealFeel Shade™95°

Max UV Index6 (High)

WindE 7 mph

Tue 7/29

86° /66°
68%
Mostly cloudy and uncomfortably humid; a couple of showers in the afternoon

RealFeel®103°

RealFeel Shade™100°

Max UV Index4 (Moderate)

WindW 5 mph

Wed 7/30

89° /70°
65%
A couple of morning showers and a thunderstorm; otherwise, mostly cloudy and humid

RealFeel®93°

RealFeel Shade™93°

Max UV Index3 (Moderate)

WindWSW 7 mph

Thu 7/31

88° /69°
65%
Uncomfortably humid with a blend of sun and clouds; a couple of afternoon showers and a thunderstorm

RealFeel®103°

RealFeel Shade™95°

Max UV Index10 (Very High)

WindSSE 4 mph

Fri 8/1

89° /70°
20%
Less humid with some sun

RealFeel®94°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindSSW 7 mph

Sat 8/2

90° /70°
25%
Rather cloudy and humid

RealFeel®99°

RealFeel Shade™96°

Max UV Index3 (Moderate)

WindE 2 mph

Sun 8/3

85° /69°
70%
Cloudy and humid with showers and thunderstorms becoming more widespread

RealFeel®90°

RealFeel Shade™90°

Max UV Index2 (Low)

WindNE 7 mph

Mon 8/4

81° /64°
25%
Less humid with clouds giving way to some sun

RealFeel®83°

RealFeel Shade™79°

Max UV Index3 (Moderate)

WindNE 8 mph

Tue 8/5

81° /62°
5%
Plenty of sunshine

RealFeel®86°

RealFeel Shade™80°

Max UV Index10 (Very High)

WindNE 6 mph

Wed 8/6

82° /63°
25%
Increasing cloudiness

RealFeel®90°

RealFeel Shade™83°

Max UV Index9 (Very High)

WindE 4 mph

Thu 8/7

82° /68°
25%
Some sun, then increasing clouds

RealFeel®83°

RealFeel Shade™83°

Max UV Index4 (Moderate)

WindSSW 7 mph

Fri 8/8

87° /69°
57%
A couple of morning showers; otherwise, mostly cloudy and humid

RealFeel®92°

RealFeel Shade™90°

Max UV Index2 (Low)

WindNNW 6 mph

Sat 8/9

82° /66°
10%
Sunny

RealFeel®90°

RealFeel Shade™82°

Max UV Index9 (Very High)

WindNE 6 mph

Sun 8/10

82° /65°
10%
Mostly sunny

RealFeel®91°

RealFeel Shade™82°

Max UV Index9 (Very High)

WindENE 5 mph

Mon 8/11

83° /65°
20%
Mostly sunny

RealFeel®92°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindSE 4 mph

Tue 8/12

84° /68°
5%
Sunshine

RealFeel®89°

RealFeel Shade™85°

Max UV Index9 (Very High)

WindSSE 7 mph

Wed 8/13

87° /69°
20%
Mostly sunny

RealFeel®94°

RealFeel Shade™89°

Max UV Index9 (Very High)

WindS 7 mph

Thu 8/14

88° /70°
65%
Mainly cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®91°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindSSW 12 mph

Fri 8/15

88° /70°
55%
A passing morning shower; otherwise, humid with variable cloudiness

RealFeel®92°

RealFeel Shade™90°

Max UV Index9 (Very High)

WindSSW 9 mph

Sat 8/16

89° /69°
25%
Mostly sunny and humid

RealFeel®100°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindESE 5 mph

Sun 8/17

89° /69°
20%
Partly sunny and uncomfortably humid

RealFeel®101°

RealFeel Shade™96°

Max UV Index9 (Very High)

WindSE 5 mph

Mon 8/18

88° /68°
5%
Humid with sunshine

RealFeel®100°

RealFeel Shade™93°

Max UV Index8 (Very High)

WindSSE 6 mph

Tue 8/19

90° /70°
5%
Hot and humid with brilliant sunshine

RealFeel®100°

RealFeel Shade™94°

Max UV Index8 (Very High)

WindS 7 mph

Wed 8/20

89° /69°
25%
Increasing clouds and uncomfortably humid

RealFeel®97°

RealFeel Shade™97°

Max UV Index6 (High)

WindSSW 6 mph

Thu 8/21

89° /70°
5%
Sunny and humid

RealFeel®102°

RealFeel Shade™95°

Max UV Index8 (Very High)

WindS 5 mph

Fri 8/22

88° /69°
20%
Warm and humid with partial sunshine

RealFeel®100°

RealFeel Shade™94°

Max UV Index8 (Very High)

WindESE 5 mph

Sat 8/23

90° /69°
25%
Cloudy, hot and humid

RealFeel®97°

RealFeel Shade™97°

Max UV Index2 (Low)

WindESE 5 mph

Sun 8/24

89° /68°
5%
Warm and humid with plenty of sun

RealFeel®100°

RealFeel Shade™92°

Max UV Index8 (Very High)

WindSSE 5 mph

Mon 8/25

90° /69°
20%
Partly sunny and hot

RealFeel®94°

RealFeel Shade™90°

Max UV Index7 (High)

WindSW 6 mph

Tue 8/26

90° /69°
10%
Sunny and hot

RealFeel®99°

RealFeel Shade™92°

Max UV Index8 (Very High)

WindSW 4 mph

Wed 8/27

89° /68°
25%
Warm and humid with times of clouds and sun

RealFeel®97°

RealFeel Shade™93°

Max UV Index4 (Moderate)

WindENE 1 mph

Thu 8/28

89° /69°
64%
A couple of morning showers; otherwise, humid and remaining warm with variable cloudiness

RealFeel®99°

RealFeel Shade™95°

Max UV Index3 (Moderate)

WindN 5 mph

Fri 8/29

81° /66°
25%
Cloudy and humid

RealFeel®83°

RealFeel Shade™82°

Max UV Index3 (Moderate)

WindENE 9 mph

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World North America United States Illinois Vandalia

Weather Near Vandalia:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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iPhone App Android App See all Apps & Downloads
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More
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