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Marion, IL

97°F
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Marion

Illinois

97°
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Marion, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 PM

98°
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.
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rain drop 47%
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Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

RealFeel Shade™101°

Heat Index107°

WindS 8 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts15 mph

Humidity43%

Indoor Humidity43% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover61%

Visibility10 mi

Cloud Ceiling34000 ft

5 PM

95°
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 19%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

RealFeel Shade™100°

Heat Index105°

WindS 8 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts15 mph

Humidity49%

Indoor Humidity49% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

93°
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
rain drop 19%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

RealFeel Shade™98°

Heat Index103°

WindS 8 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts14 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

90°
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
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

RealFeel Shade™98°

Heat Index99°

WindS 7 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts13 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

86°
RealFeel® 95°
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 34%
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Partly sunny
alerts

Heat Advisory

8:00 PM Friday - 8:00 PM Saturday

RealFeel Shade™95°

Heat Index96°

WindSSW 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts10 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

9 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
rain drop 34%
Chevron down
Partly cloudy
alerts

Heat Advisory

8:00 PM Friday - 8:00 PM Saturday

Heat Index90°

WindS 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 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 37%
Chevron down
Partly cloudy
alerts

Heat Advisory

8:00 PM Friday - 8:00 PM Saturday

Heat Index84°

WindS 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

78°
RealFeel® 87°
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 43%
Chevron down
Partly cloudy
alerts

Heat Advisory

8:00 PM Friday - 8:00 PM Saturday

Heat Index80°

WindS 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity93%

Indoor Humidity93% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Marion

AccuWeather's hourly forecast for Marion provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 98° with a RealFeel® of 106°, intermittent clouds with a 47% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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