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Tropical Storm Edouard forms, tracking toward Texas. Get the track forecast. Chevron right

Chester, IL

93°F
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Chester

Illinois

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Chester, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Heat Advisory

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September 1 - September 15

Tue 9/1

99° /73°
1%
Brilliant sunshine and hot; danger of dehydration and heatstroke if outside for extended periods of time
alerts

Heat Advisory

12:00 PM Monday - 8:00 PM Friday

RealFeel®107°

RealFeel Shade™99°

Max UV Index7.0 (High)

WindSW 6 mph

Wed 9/2

99° /73°
25%
Mostly sunny and toasty conditions; danger of dehydration and heatstroke if outside for extended periods of time
alerts

Heat Advisory

12:00 PM Monday - 8:00 PM Friday

RealFeel®105°

RealFeel Shade™99°

Max UV Index7.0 (High)

WindSSW 7 mph

Thu 9/3

100° /74°
9%
Mostly sunny and toasty conditions; danger of dehydration and heatstroke if outside for extended periods of time
alerts

Heat Advisory

12:00 PM Monday - 8:00 PM Friday

RealFeel®105°

RealFeel Shade™100°

Max UV Index7.0 (High)

WindSSW 7 mph

Fri 9/4

99° /73°
25%
Scorching sunshine and toasty conditions
alerts

Heat Advisory

12:00 PM Monday - 8:00 PM Friday

RealFeel®109°

RealFeel Shade™100°

Max UV Index7.0 (High)

WindSSW 2 mph

Sat 9/5

97° /73°
67%
A morning thunderstorm or two; otherwise, partly sunny and hot; caution advised if outside for extended periods of time

RealFeel®107°

RealFeel Shade™100°

Max UV Index7.0 (High)

WindSSW 4 mph

Total Hours of Precipitation2

Total Hours of Rain2

Sun 9/6

96° /69°
55%
Variable cloudiness with a thunderstorm in one or two spots; hot

RealFeel®106°

RealFeel Shade™99°

Max UV Index6.0 (High)

WindNNE 5 mph

Total Hours of Precipitation1

Total Hours of Rain1

Mon 9/7

92° /70°
21%
Partly sunny, hot and humid

RealFeel®101°

RealFeel Shade™95°

Max UV Index7.0 (High)

WindENE 6 mph

Tue 9/8

90° /67°
1%
Sunshine and a few clouds

RealFeel®94°

RealFeel Shade™90°

Max UV Index7.0 (High)

WindSSE 6 mph

Wed 9/9

89° /69°
1%
Plenty of sunshine

RealFeel®91°

RealFeel Shade™87°

Max UV Index7.0 (High)

WindS 8 mph

Thu 9/10

90° /67°
2%
Mostly sunny

RealFeel®92°

RealFeel Shade™88°

Max UV Index7.0 (High)

WindSSW 6 mph

Fri 9/11

86° /62°
1%
Less humid with some sun

RealFeel®86°

RealFeel Shade™83°

Max UV Index6.0 (High)

WindNW 10 mph

Sat 9/12

82° /63°
0%
Plenty of sunshine

RealFeel®84°

RealFeel Shade™81°

Max UV Index6.0 (High)

WindNW 7 mph

Sun 9/13

84° /62°
2%
Humid with sun and some clouds

RealFeel®92°

RealFeel Shade™90°

Max UV Index6.0 (High)

WindSSE 6 mph

Mon 9/14

81° /58°
25%
A thick cloud cover and humid

RealFeel®87°

RealFeel Shade™87°

Max UV Index2.0 (Low)

WindSSE 2 mph

Tue 9/15

80° /63°
56%
A couple of showers in the morning; otherwise, cloudy and humid

RealFeel®86°

RealFeel Shade™86°

Max UV Index1.0 (Low)

WindWSW 2 mph

Total Hours of Precipitation1

Total Hours of Rain1

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World North America United States Illinois Chester

Weather Near Chester:

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