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Mount Vernon, IL

81°F
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Mount Vernon

Illinois

81°
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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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9 PM

83°
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 48%
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Mostly cloudy w/ t-storms
alerts

Heat Advisory

11:00 AM Tuesday - 7:00 PM Sunday

Heat Index88°

WindS 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity67%

Indoor Humidity67% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling10000 ft

10 PM

81°
RealFeel® 86°
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 47%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 7:00 PM Sunday

Heat Index84°

WindSSE 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling20000 ft

11 PM

78°
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 19%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 7:00 PM Sunday

WindSSE 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity80%

Indoor Humidity80% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 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 83° with a RealFeel® of 87°, mostly cloudy w/ t-storms with a 48% 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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