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Illiopolis, IL

77°F
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Illiopolis

Illinois

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Illiopolis, IL Weather
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Today

Hourly

 Daily Radar MinuteCast Monthly Air Quality Health & Activities

4 AM

76°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

WindSSW 7 mph

Air QualityFair

Wind Gusts13 mph

Humidity93%

Indoor Humidity93% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling33400 ft

5 AM

76°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

WindS 7 mph

Air QualityFair

Wind Gusts15 mph

Humidity96%

Indoor Humidity95% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

76°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™84°

WindS 7 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts15 mph

Humidity95%

Indoor Humidity95% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

76°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™83°

WindS 7 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts15 mph

Humidity96%

Indoor Humidity95% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

79°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™86°

WindSSW 7 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts16 mph

Humidity92%

Indoor Humidity92% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

83°
RealFeel® 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™90°

WindSSW 8 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts16 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

86°
RealFeel® 100°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™94°

WindSW 8 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts16 mph

Humidity76%

Indoor Humidity76% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

88°
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™96°

WindSW 9 mph

Air QualityFair

Max UV Index7 (High)

Wind Gusts17 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

90°
RealFeel® 106°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™97°

WindSW 9 mph

Air QualityFair

Max UV Index9 (Very High)

Wind Gusts17 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

92°
RealFeel® 107°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™99°

WindSW 9 mph

Air QualityFair

Max UV Index10 (Very High)

Wind Gusts18 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

93°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™100°

WindSW 9 mph

Air QualityFair

Max UV Index9 (Very High)

Wind Gusts18 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

94°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™101°

WindSW 9 mph

Air QualityFair

Max UV Index7 (High)

Wind Gusts18 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

93°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™100°

WindSW 9 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts20 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

92°
RealFeel® 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™99°

WindSW 8 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts16 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover33%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

91°
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Thursday

RealFeel Shade™99°

WindSSW 7 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts14 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover48%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

89°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 2%
Chevron down
Intermittent clouds

RealFeel Shade™98°

WindSSW 6 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts12 mph

Humidity71%

Indoor Humidity71% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover62%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

86°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 24%
Chevron down
Mostly cloudy

RealFeel Shade™98°

WindSSW 6 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts12 mph

Humidity75%

Indoor Humidity75% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 24%
Chevron down
Mostly cloudy

WindSSW 6 mph

Air QualityFair

Wind Gusts12 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

81°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 29%
Chevron down
Mostly cloudy

WindSSW 6 mph

Air QualityFair

Wind Gusts12 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

79°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 55%
Chevron down
Thunderstorms

WindSSW 6 mph

Air QualityFair

Wind Gusts13 mph

Humidity90%

Indoor Humidity90% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

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World North America United States Illinois Illiopolis

Weather Near Illiopolis:

  • Champaign, IL
  • Decatur, IL
  • Springfield, IL
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