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Decatur, IL

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Decatur, IL Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

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

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1 PM

87°

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.

25%

Mostly cloudy

RealFeel Shade™91°

Heat Index93°

WindW 6 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts7 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling11100 ft

2 PM

88°

RealFeel® 100°

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.

49%

Intermittent clouds

RealFeel Shade™93°

Heat Index95°

WindW 6 mph

Air QualityPoor

Max UV Index4.9 (Moderate)

Wind Gusts7 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

3 PM

86°

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.

66%

Mostly cloudy w/ t-storms

RealFeel Shade™92°

Heat Index96°

WindW 6 mph

Air QualityPoor

Max UV Index2.7 (Moderate)

Wind Gusts7 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.09 in

Visibility5 mi

Cloud Ceiling4000 ft

4 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.

49%

Intermittent clouds

RealFeel Shade™91°

Heat Index92°

WindW 6 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts7 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

5 PM

85°

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.

49%

Intermittent clouds

RealFeel Shade™90°

Heat Index92°

WindWNW 6 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts7 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling11100 ft

6 PM

82°

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.

59%

Mostly cloudy w/ t-storms

RealFeel Shade™89°

Heat Index89°

WindWNW 6 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts7 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.09 in

Visibility5 mi

Cloud Ceiling4000 ft

7 PM

82°

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.

49%

Intermittent clouds

RealFeel Shade™89°

Heat Index88°

WindNW 6 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts6 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling19300 ft

8 PM

80°

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.

49%

Cloudy

RealFeel Shade™86°

Heat Index84°

WindNNW 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling17700 ft

9 PM

78°

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.

49%

Cloudy

Heat Index80°

WindNNE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling16200 ft

10 PM

76°

RealFeel® 77°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

66%

Thunderstorms

WindNE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.37 in

Visibility2 mi

Cloud Ceiling2000 ft

11 PM

74°

RealFeel® 79°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Cloudy

WindNE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity93%

Indoor Humidity93% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Decatur

AccuWeather's hourly forecast for Decatur provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 87° with a RealFeel® of 98°, mostly cloudy with a 25% 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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