For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Which state leads the US in tornadoes this year? See the breakdown.

Central, eastern US remain at risk for severe storms. Click for timing.

Decatur, IL

Location

Location News Videos

Use Current Location

Recent

Decatur

Illinois

No results found.

Try searching for a city, zip code or point of interest.

Create Your Account Unlock extended daily and hourly forecasts — all with your free account.

Have an account already? Log In

settings

Decatur, IL Weather

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

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Hourly

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

4 PM

72°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Cloudy

Special Weather Statement

1:07 PM Saturday - 6:00 PM Saturday

RealFeel Shade™73°

WindWNW 7 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts9 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1100 ft

5 PM

72°

RealFeel® 71°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

56%

Thunderstorms

Special Weather Statement

1:07 PM Saturday - 6:00 PM Saturday

RealFeel Shade™71°

WindNW 8 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts9 mph

Humidity82%

Indoor Humidity82% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling900 ft

6 PM

72°

RealFeel® 73°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Cloudy

RealFeel Shade™73°

WindNNW 8 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts10 mph

Humidity85%

Indoor Humidity85% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling700 ft

7 PM

72°

RealFeel® 69°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

65%

Thunderstorms

RealFeel Shade™69°

WindN 9 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts10 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Rain0.16 in

Visibility4 mi

Cloud Ceiling500 ft

8 PM

72°

RealFeel® 73°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Cloudy

RealFeel Shade™73°

WindN 10 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts12 mph

Humidity87%

Indoor Humidity87% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling500 ft

9 PM

73°

RealFeel® 70°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

53%

Showers

WindN 10 mph

Air QualityFair

Wind Gusts16 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.05 in

Visibility5 mi

Cloud Ceiling500 ft

10 PM

72°

RealFeel® 68°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

57%

Showers

WindN 10 mph

Air QualityFair

Wind Gusts20 mph

Humidity87%

Indoor Humidity87% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.10 in

Visibility4 mi

Cloud Ceiling500 ft

11 PM

72°

RealFeel® 72°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

40%

Cloudy

WindN 10 mph

Air QualityFair

Wind Gusts17 mph

Humidity89%

Indoor Humidity89% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling500 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 72° with a RealFeel® of 75°, cloudy with a 49% 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.

Further Ahead

Tomorrow

Monday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe storms to march from Plains to Appalachians into Sunday

1 hour ago

Weather Forecasts

Western heat dome fuels growing wildfire, flood threats

1 hour ago

Severe Weather

2026 tornado count: Illinois way up, Texas way down

1 day ago

Astronomy

August night sky has a rare double feature with eclipse, meteor shower

1 day ago

Weather Forecasts

Heavy rain, flash flooding to sweep Midwest and Northeast

1 hour ago

Featured Stories

Recreation

Zion warns visitors of deadly flash flood danger during monsoon season

1 day ago

Weather News

Sleeping giant: How sperm whales stay afloat while resting

1 day ago

Weather News

Triple-digit heat fuels wildfires in France and Spain

2 days ago

Astronomy

Buck Moon 2026: July's full moon rises around the world

3 days ago

Climate

Mexico to unveil sargassum plan as crisis worsens in Caribbean

2 days ago

World North America United States Illinois Decatur

Weather Near Decatur:

Champaign, IL
Peoria, IL
Springfield, IL

Company

Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us

Products & Services

For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations

Apps & Downloads

iPhone App Android App See all Apps & Downloads

Subscription Services

AccuWeather Premium AccuWeather Professional

More

AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center

Company

Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us

Products & Services

For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations

Apps & Downloads

iPhone App Android App See all Apps & Downloads

Subscription Services

AccuWeather Premium AccuWeather Professional

More

AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center

© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.

Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...