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Marion, IL

91°F
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Marion

Illinois

91°
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Marion, IL Weather
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Today

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 Daily Radar MinuteCast Monthly Air Quality Health & Activities

3 PM

96°
RealFeel® 110°
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.
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Mostly sunny
alerts

Extreme Heat Warning

7:34 PM Saturday - 7:00 PM Thursday

RealFeel Shade™103°

WindSSW 8 mph

Air QualityFair

Max UV Index7 (High)

Wind Gusts15 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

94°
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.
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Mostly sunny
alerts

Extreme Heat Warning

7:34 PM Saturday - 7:00 PM Thursday

RealFeel Shade™101°

WindSSW 8 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts16 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 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
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Mostly sunny
alerts

Extreme Heat Warning

7:34 PM Saturday - 7:00 PM Thursday

RealFeel Shade™100°

WindS 8 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts15 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

92°
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%
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Mostly sunny
alerts

Extreme Heat Warning

7:34 PM Saturday - 7:00 PM Thursday

RealFeel Shade™99°

WindS 8 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts15 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

90°
RealFeel® 101°
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
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Mostly sunny
alerts

Heat Advisory

12:00 PM Sunday - 7:00 PM Friday

RealFeel Shade™98°

WindS 8 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts14 mph

Humidity67%

Indoor Humidity67% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

87°
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.
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Sunny
alerts

Heat Advisory

12:00 PM Sunday - 7:00 PM Friday

RealFeel Shade™98°

WindS 7 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts13 mph

Humidity74%

Indoor Humidity74% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°
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
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Clear
alerts

Heat Advisory

12:00 PM Sunday - 7:00 PM Friday

WindS 6 mph

Air QualityFair

Wind Gusts12 mph

Humidity80%

Indoor Humidity80% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

82°
RealFeel® 92°
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
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Clear
alerts

Heat Advisory

12:00 PM Sunday - 7:00 PM Friday

WindSSE 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

79°
RealFeel® 89°
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%
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Clear
alerts

Heat Advisory

12:00 PM Sunday - 7:00 PM Friday

WindS 6 mph

Air QualityFair

Wind Gusts12 mph

Humidity94%

Indoor Humidity94% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Illinois Marion

Weather Near Marion:

  • Cape Girardeau, MO
  • Carbondale, IL
  • Evansville, IN
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