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Mount Vernon, IL

94°F
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Mount Vernon

Illinois

94°
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Mount Vernon, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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6 PM

94°
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 66%
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Mostly cloudy w/ t-storms
alerts

Heat Advisory

11:00 AM Wednesday - 8:00 PM Wednesday

RealFeel Shade™95°

Heat Index103°

WindSW 10 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts13 mph

Humidity49%

Indoor Humidity49% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover65%

Rain0.04 in

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

92°
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 49%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Wednesday - 8:00 PM Wednesday

RealFeel Shade™96°

Heat Index99°

WindSW 7 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts8 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover29%

Visibility10 mi

Cloud Ceiling29900 ft

8 PM

88°
RealFeel® 93°
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
Intermittent clouds

Heat Index95°

WindSW 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24900 ft

9 PM

85°
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 34%
Chevron down
Intermittent clouds

Heat Index91°

WindSSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling19800 ft

10 PM

81°
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 37%
Chevron down
Intermittent clouds

Heat Index85°

WindS 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

76°
RealFeel® 82°
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
Intermittent clouds

WindS 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

Hourly Weather Forecast for Mount Vernon

AccuWeather's hourly forecast for Mount Vernon provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 94° with a RealFeel® of 96°, mostly cloudy w/ t-storms with a 66% 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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World North America United States Illinois Mount Vernon

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