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Mason, IL

79°F
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Mason

Illinois

79°
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Mason, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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10 AM

82°
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 59%
Chevron down
Thunderstorms

RealFeel Shade™80°

Heat Index85°

WindSSW 16 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts28 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

11 AM

84°
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 49%
Chevron down
Cloudy

RealFeel Shade™84°

Heat Index88°

WindSSW 17 mph

Air QualityFair

Max UV Index2.5 (Moderate)

Wind Gusts29 mph

Humidity62%

Indoor Humidity62% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling11000 ft

12 PM

84°
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 66%
Chevron down
Thunderstorms

RealFeel Shade™80°

Heat Index88°

WindSSW 18 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts30 mph

Humidity64%

Indoor Humidity64% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

1 PM

83°
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 66%
Chevron down
Thunderstorms

RealFeel Shade™80°

Heat Index88°

WindSW 18 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts31 mph

Humidity64%

Indoor Humidity64% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.04 in

Visibility6 mi

Cloud Ceiling3700 ft

2 PM

83°
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 63%
Chevron down
Thunderstorms

RealFeel Shade™80°

Heat Index87°

WindSW 17 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts28 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

3 PM

82°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 63%
Chevron down
Thunderstorms

RealFeel Shade™80°

Heat Index86°

WindSW 16 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts24 mph

Humidity68%

Indoor Humidity68% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

4 PM

81°
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 49%
Chevron down
Cloudy

RealFeel Shade™82°

Heat Index85°

WindSW 14 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts22 mph

Humidity68%

Indoor Humidity68% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling10900 ft

5 PM

80°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™81°

Heat Index82°

WindSW 13 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts18 mph

Humidity72%

Indoor Humidity72% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling8500 ft

6 PM

77°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 71%
Chevron down
Thunderstorms

RealFeel Shade™76°

WindWSW 10 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts20 mph

Humidity78%

Indoor Humidity78% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

7 PM

75°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 71%
Chevron down
Thunderstorms

RealFeel Shade™74°

WindWNW 9 mph

Air QualityExcellent

Max UV Index0.2 (Low)

Wind Gusts15 mph

Humidity85%

Indoor Humidity85% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.04 in

Visibility6 mi

Cloud Ceiling3700 ft

8 PM

73°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™75°

WindNW 7 mph

Air QualityExcellent

Max UV Index0.0 (Low)

Wind Gusts13 mph

Humidity89%

Indoor Humidity89% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling2800 ft

9 PM

70°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

WindNNW 7 mph

Air QualityExcellent

Wind Gusts12 mph

Humidity92%

Indoor Humidity92% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling1900 ft

10 PM

68°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

WindNNW 8 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity97%

Indoor Humidity97% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling1100 ft

11 PM

67°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

WindNNW 7 mph

Air QualityExcellent

Wind Gusts8 mph

Humidity98%

Indoor Humidity96% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Rain0.15 in

Visibility4 mi

Cloud Ceiling1000 ft

Hourly Weather Forecast for Mason

AccuWeather's hourly forecast for Mason provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 82° with a RealFeel® of 82°, thunderstorms with a 59% 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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