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Hottest day yet as heat wave intensifies in the eastern US. Click for the forecast. Chevron right
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Marion, IL

93°F
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Marion

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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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 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 PM

92°
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 6%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

RealFeel Shade™99°

Heat Index103°

WindSE 7 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts9 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 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 6%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

RealFeel Shade™98°

Heat Index102°

WindSE 7 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts10 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover39%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

89°
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 6%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

RealFeel Shade™97°

Heat Index101°

WindSSE 7 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts12 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover56%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°
RealFeel® 99°
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 5%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

RealFeel Shade™95°

Heat Index99°

WindSSE 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts12 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

85°
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 4%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

RealFeel Shade™95°

Heat Index95°

WindSSE 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts9 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

82°
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 4%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

Heat Index89°

WindS 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

79°
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 4%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

Heat Index80°

WindSSW 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

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 4%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

11:00 AM Monday - 8:00 PM Friday

WindSSW 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity94%

Indoor Humidity94% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover20%

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 92° with a RealFeel® of 105°, mostly sunny with a 6% 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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