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Boston, Philly hit 100, NYC breaks record from 1888 amid heat wave. Get the latest Chevron right
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Caseyville, IL

82°F
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Caseyville, IL Weather
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Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities
Heat Advisory

June 26 - August 9

Thu 6/26

96° /74°
5%
Partly sunny and hot; danger of dehydration and heatstroke if outside for extended periods of time
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

RealFeel®104°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindSW 8 mph

Fri 6/27

91° /75°
40%
Intervals of clouds and sunshine with a thunderstorm around in the afternoon

RealFeel®99°

RealFeel Shade™92°

Max UV Index11 (Extreme)

WindSW 9 mph

Sat 6/28

87° /73°
48%
Humid with intervals of clouds and sunshine; a thunderstorm in one or two spots in the afternoon

RealFeel®97°

RealFeel Shade™90°

Max UV Index11 (Extreme)

WindSW 7 mph

Sun 6/29

88° /72°
44%
Humid with considerable cloudiness; a thunderstorm in one or two spots in the afternoon

RealFeel®97°

RealFeel Shade™93°

Max UV Index5 (Moderate)

WindSW 5 mph

Mon 6/30

84° /68°
55%
Uncomfortably humid with times of clouds and sun; an afternoon thunderstorm

RealFeel®95°

RealFeel Shade™89°

Max UV Index11 (Extreme)

WindW 7 mph

Tue 7/1

85° /66°
1%
Sunny, pleasant and less humid

RealFeel®95°

RealFeel Shade™85°

Max UV Index11 (Extreme)

WindNW 5 mph

Wed 7/2

84° /65°
1%
Mostly sunny

RealFeel®95°

RealFeel Shade™85°

Max UV Index11 (Extreme)

WindNW 4 mph

Thu 7/3

89° /67°
5%
Clouds and sunshine

RealFeel®96°

RealFeel Shade™91°

Max UV Index8 (Very High)

WindWSW 4 mph

Fri 7/4

87° /71°
35%
Times of clouds and sun with a couple of strong thunderstorms possible; humid

RealFeel®96°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindSSW 7 mph

Sat 7/5

86° /68°
40%
A shower in places in the morning; otherwise, mostly sunny and very humid

RealFeel®99°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindSSW 9 mph

Sun 7/6

87° /68°
71%
Partly sunny and humid with a couple of thunderstorms, especially early in the day

RealFeel®98°

RealFeel Shade™93°

Max UV Index11 (Extreme)

WindNW 4 mph

Mon 7/7

86° /66°
71%
Variable clouds with a couple of thunderstorms, especially early in the day

RealFeel®94°

RealFeel Shade™89°

Max UV Index5 (Moderate)

WindSSE 5 mph

Tue 7/8

88° /67°
5%
Sunny

RealFeel®96°

RealFeel Shade™89°

Max UV Index11 (Extreme)

WindSE 5 mph

Wed 7/9

90° /71°
25%
Rather cloudy and humid

RealFeel®96°

RealFeel Shade™95°

Max UV Index5 (Moderate)

WindESE 7 mph

Thu 7/10

87° /70°
25%
Mostly cloudy and humid

RealFeel®95°

RealFeel Shade™95°

Max UV Index4 (Moderate)

WindENE 4 mph

Fri 7/11

89° /68°
5%
Less humid with plenty of sunshine

RealFeel®97°

RealFeel Shade™89°

Max UV Index11 (Extreme)

WindN 5 mph

Sat 7/12

88° /70°
10%
Sunny

RealFeel®97°

RealFeel Shade™89°

Max UV Index11 (Extreme)

WindW 4 mph

Sun 7/13

90° /69°
5%
Sunny

RealFeel®97°

RealFeel Shade™90°

Max UV Index11 (Extreme)

WindNNE 5 mph

Mon 7/14

90° /71°
20%
Partly sunny

RealFeel®97°

RealFeel Shade™91°

Max UV Index11 (Extreme)

WindSSW 6 mph

Tue 7/15

89° /71°
65%
Humid with a blend of sun and clouds; a couple of afternoon showers and a thunderstorm

RealFeel®97°

RealFeel Shade™95°

Max UV Index5 (Moderate)

WindSSE 4 mph

Wed 7/16

84° /70°
58%
Cloudy and humid with a couple of thunderstorms

RealFeel®90°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindS 8 mph

Thu 7/17

88° /72°
20%
Very humid with sunshine and a few clouds

RealFeel®96°

RealFeel Shade™93°

Max UV Index11 (Extreme)

WindS 13 mph

Fri 7/18

90° /72°
20%
Partly sunny and humid

RealFeel®98°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindSSW 10 mph

Sat 7/19

88° /71°
58%
Humid with sunshine and a few clouds; a passing afternoon shower

RealFeel®100°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindSW 4 mph

Sun 7/20

88° /71°
56%
Mostly sunny and humid; a passing afternoon shower

RealFeel®99°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindSSE 4 mph

Mon 7/21

89° /70°
25%
Sunny to partly cloudy and humid

RealFeel®100°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindS 5 mph

Tue 7/22

88° /71°
10%
Mostly sunny and humid

RealFeel®99°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindSE 5 mph

Wed 7/23

89° /70°
20%
Partly sunny and humid

RealFeel®98°

RealFeel Shade™95°

Max UV Index10 (Very High)

WindSSE 4 mph

Thu 7/24

91° /71°
5%
Sunny and humid

RealFeel®101°

RealFeel Shade™96°

Max UV Index10 (Very High)

WindS 5 mph

Fri 7/25

91° /72°
10%
Humid with sunshine and a few clouds

RealFeel®101°

RealFeel Shade™97°

Max UV Index10 (Very High)

WindS 6 mph

Sat 7/26

92° /71°
25%
Periods of clouds and sunshine

RealFeel®98°

RealFeel Shade™96°

Max UV Index7 (High)

WindSSW 7 mph

Sun 7/27

91° /69°
63%
Considerable cloudiness with a couple of thunderstorms; humid

RealFeel®98°

RealFeel Shade™96°

Max UV Index4 (Moderate)

WindNW 8 mph

Mon 7/28

85° /65°
20%
Less humid with plenty of sun

RealFeel®89°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindN 8 mph

Tue 7/29

84° /64°
20%
Mostly sunny

RealFeel®91°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindE 2 mph

Wed 7/30

84° /64°
20%
Plenty of sunshine

RealFeel®91°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindE 4 mph

Thu 7/31

85° /65°
20%
Clouds to start, then sunshine returns

RealFeel®92°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindENE 1 mph

Fri 8/1

87° /67°
20%
Plenty of sunshine

RealFeel®93°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindS 5 mph

Sat 8/2

91° /71°
25%
Cloudy

RealFeel®91°

RealFeel Shade™91°

Max UV Index3 (Moderate)

WindSSW 7 mph

Sun 8/3

91° /72°
25%
Cloudy

RealFeel®91°

RealFeel Shade™91°

Max UV Index3 (Moderate)

WindSSW 8 mph

Mon 8/4

90° /72°
55%
Mostly cloudy; a little morning rain followed by a thundershower in spots in the afternoon

RealFeel®92°

RealFeel Shade™91°

Max UV Index2 (Low)

WindSW 10 mph

Tue 8/5

91° /71°
62%
Humid with clouds and breaks of sun; a couple of showers and a thunderstorm in the afternoon

RealFeel®99°

RealFeel Shade™97°

Max UV Index9 (Very High)

WindE 2 mph

Wed 8/6

87° /72°
25%
Clouds giving way to some sun and humid

RealFeel®94°

RealFeel Shade™89°

Max UV Index9 (Very High)

WindS 8 mph

Thu 8/7

91° /72°
25%
Intervals of clouds and sunshine

RealFeel®94°

RealFeel Shade™92°

Max UV Index3 (Moderate)

WindSSW 7 mph

Fri 8/8

87° /71°
65%
Humid with intervals of clouds and sunshine; a thundershower in spots in the morning followed by a couple of showers in the afternoon

RealFeel®96°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindSW 10 mph

Sat 8/9

92° /70°
4%
Mostly sunny and humid

RealFeel®101°

RealFeel Shade™98°

Max UV Index9 (Very High)

WindSSW 5 mph

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Weather Near Caseyville:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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