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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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12 PM

80°

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.

0%

Partly sunny

RealFeel Shade™80°

Heat Index82°

WindWSW 7 mph

Air QualityFair

Max UV Index7.5 (Very High)

Wind Gusts9 mph

Humidity62%

Indoor Humidity62% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling33000 ft

1 PM

82°

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.

0%

Mostly sunny

RealFeel Shade™81°

Heat Index84°

WindWSW 8 mph

Air QualityFair

Max UV Index8.3 (Very High)

Wind Gusts10 mph

Humidity59%

Indoor Humidity59% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

83°

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.

0%

Mostly sunny

RealFeel Shade™82°

Heat Index85°

WindWSW 8 mph

Air QualityFair

Max UV Index7.5 (Very High)

Wind Gusts10 mph

Humidity58%

Indoor Humidity58% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

84°

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.

0%

Mostly sunny

RealFeel Shade™84°

Heat Index86°

WindWSW 8 mph

Air QualityFair

Max UV Index5.6 (High)

Wind Gusts12 mph

Humidity56%

Indoor Humidity56% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling29900 ft

4 PM

83°

RealFeel® 88°

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.

0%

Mostly sunny

RealFeel Shade™83°

Heat Index86°

WindWSW 9 mph

Air QualityFair

Max UV Index4.1 (Moderate)

Wind Gusts12 mph

Humidity58%

Indoor Humidity58% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling29900 ft

5 PM

82°

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.

0%

Mostly sunny

RealFeel Shade™83°

Heat Index85°

WindWSW 8 mph

Air QualityExcellent

Max UV Index2.7 (Moderate)

Wind Gusts10 mph

Humidity62%

Indoor Humidity62% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling29900 ft

6 PM

81°

RealFeel® 85°

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.

0%

Mostly sunny

RealFeel Shade™82°

Heat Index84°

WindSSW 7 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts10 mph

Humidity67%

Indoor Humidity67% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling29900 ft

7 PM

80°

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.

0%

Mostly sunny

RealFeel Shade™83°

Heat Index83°

WindS 7 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts9 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling29900 ft

8 PM

76°

RealFeel® 79°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

7%

Intermittent clouds

WindS 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity81%

Indoor Humidity81% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling24900 ft

9 PM

74°

RealFeel® 76°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

7%

Intermittent clouds

WindS 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling19800 ft

10 PM

71°

RealFeel® 73°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

6%

Intermittent clouds

WindS 7 mph

Air QualityFair

Wind Gusts7 mph

Humidity92%

Indoor Humidity92% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

71°

RealFeel® 72°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

5%

Intermittent clouds

WindS 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity92%

Indoor Humidity92% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover69%

Visibility10 mi

Cloud Ceiling16200 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 80° with a RealFeel® of 89°, partly sunny with a 0% 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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