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Hawaii braces for Tropical Storm Lala, rare landfall possible. Click for the forecast.

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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5 PM

78°

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.

66%

Thunderstorms

RealFeel Shade™82°

Heat Index80°

WindSE 8 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts9 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

6 PM

78°

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.

49%

Cloudy

RealFeel Shade™87°

Heat Index80°

WindE 8 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts10 mph

Humidity93%

Indoor Humidity93% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling16600 ft

7 PM

78°

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 Index80°

WindE 8 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts10 mph

Humidity95%

Indoor Humidity95% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling18500 ft

8 PM

77°

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.

49%

Cloudy

Heat Index80°

WindESE 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity100%

Indoor Humidity95% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling13000 ft

9 PM

77°

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.

64%

Thunderstorms

WindESE 8 mph

Air QualityFair

Wind Gusts13 mph

Humidity100%

Indoor Humidity95% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

10 PM

77°

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

WindESE 8 mph

Air QualityFair

Wind Gusts14 mph

Humidity97%

Indoor Humidity95% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling2000 ft

11 PM

77°

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.

49%

Cloudy

WindESE 8 mph

Air QualityFair

Wind Gusts13 mph

Humidity96%

Indoor Humidity95% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling4300 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 78° with a RealFeel® of 82°, thunderstorms 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 Decatur

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