Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Resurgence of severe weather to jolt the central US this week. See the forecast. Chevron right

Decatur, IL

69°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Decatur

Illinois

69°
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.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Decatur, IL Weather
Today WinterCast Local {stormName} Tracker Hourly Daily 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
Today Hourly

Daily

 Radar MinuteCast® Monthly Air Quality Health & Activities

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

March 9 - April 7

Mon 3/9

69° /61°
1%
Sunny to partly cloudy, breezy and warm

RealFeel®66°

RealFeel Shade™65°

Max UV Index4.0 (Moderate)

WindSSW 17 mph

Tue 3/10

78° /57°
55%
A shower; breezy with the temperature approaching the record of 79 set in 1990; severe weather expected at night; be alert and have a way to receive warnings

RealFeel®75°

RealFeel Shade™74°

Max UV Index2.0 (Low)

WindSSW 16 mph

Wed 3/11

63° /29°
94%
Breezy with periods of rain and a thunderstorm into the early afternoon

RealFeel®54°

RealFeel Shade™54°

Max UV Index1.0 (Low)

WindWNW 18 mph

Thu 3/12

52° /43°
0%
Partly sunny

RealFeel®54°

RealFeel Shade™47°

Max UV Index5.0 (Moderate)

WindW 7 mph

Fri 3/13

53° /36°
6%
Breezy in the morning with sun and areas of high clouds, then mostly cloudy in the afternoon

RealFeel®49°

RealFeel Shade™48°

Max UV Index3.0 (Moderate)

WindWNW 14 mph

Sat 3/14

62° /52°
11%
Variable cloudiness; breezy in the afternoon

RealFeel®59°

RealFeel Shade™57°

Max UV Index2.0 (Low)

WindESE 14 mph

Sun 3/15

56° /27°
60%
Rainy times in the morning; otherwise, breezy and cooler with plenty of clouds

RealFeel®49°

RealFeel Shade™47°

Max UV Index2.0 (Low)

WindW 21 mph

Mon 3/16

36° /20°
1%
Colder; morning low clouds followed by clouds breaking for some sun

RealFeel®28°

RealFeel Shade™25°

Max UV Index4.0 (Moderate)

WindWNW 15 mph

Tue 3/17

39° /32°
0%
Turning out cloudy

RealFeel®48°

RealFeel Shade™44°

Max UV Index5.0 (Moderate)

WindNW 5 mph

Wed 3/18

43° /33°
57%
A little snow in the morning; otherwise, considerable cloudiness

RealFeel®40°

RealFeel Shade™38°

Max UV Index5.0 (Moderate)

WindSSE 10 mph

Thu 3/19

57° /46°
59%
Mostly cloudy and not as cool; occasional afternoon rain

RealFeel®56°

RealFeel Shade™56°

Max UV Index3.0 (Moderate)

WindSE 5 mph

Fri 3/20

64° /46°
55%
Cloudy with occasional rain

RealFeel®63°

RealFeel Shade™63°

Max UV Index1.0 (Low)

WindSE 7 mph

Sat 3/21

60° /43°
10%
Low clouds

RealFeel®62°

RealFeel Shade™61°

Max UV Index2.0 (Low)

WindE 6 mph

Sun 3/22

54° /35°
20%
Partly sunny

RealFeel®60°

RealFeel Shade™52°

Max UV Index5.0 (Moderate)

WindNE 6 mph

Mon 3/23

51° /34°
20%
Sunny

RealFeel®53°

RealFeel Shade™48°

Max UV Index5.0 (Moderate)

WindE 7 mph

Tue 3/24

57° /40°
20%
Plenty of sunshine

RealFeel®63°

RealFeel Shade™57°

Max UV Index5.0 (Moderate)

WindENE 5 mph

Wed 3/25

60° /38°
20%
Plenty of sunshine

RealFeel®68°

RealFeel Shade™60°

Max UV Index5.0 (Moderate)

WindNE 5 mph

Thu 3/26

61° /41°
20%
Some sun

RealFeel®66°

RealFeel Shade™60°

Max UV Index6.0 (High)

WindESE 5 mph

Fri 3/27

61° /43°
25%
Mostly cloudy

RealFeel®58°

RealFeel Shade™58°

Max UV Index4.0 (Moderate)

WindESE 12 mph

Sat 3/28

60° /44°
59%
Occasional rain

RealFeel®58°

RealFeel Shade™58°

Max UV Index1.0 (Low)

WindE 9 mph

Sun 3/29

59° /44°
20%
Partly sunny

RealFeel®69°

RealFeel Shade™61°

Max UV Index6.0 (High)

WindENE 2 mph

Mon 3/30

62° /43°
25%
Mostly cloudy

RealFeel®65°

RealFeel Shade™61°

Max UV Index2.0 (Low)

WindNW 5 mph

Tue 3/31

62° /35°
20%
Mostly sunny

RealFeel®69°

RealFeel Shade™60°

Max UV Index6.0 (High)

WindWNW 6 mph

Wed 4/1

55° /31°
20%
Mostly cloudy

RealFeel®60°

RealFeel Shade™54°

Max UV Index6.0 (High)

WindN 6 mph

Thu 4/2

50° /32°
10%
Mostly sunny

RealFeel®55°

RealFeel Shade™46°

Max UV Index6.0 (High)

WindSE 6 mph

Fri 4/3

54° /45°
59%
A little morning rain; otherwise, cloudy

RealFeel®49°

RealFeel Shade™47°

Max UV Index2.0 (Low)

WindS 15 mph

Sat 4/4

64° /48°
74%
Cloudy; a passing morning shower followed by rain in the afternoon

RealFeel®58°

RealFeel Shade™58°

Max UV Index2.0 (Low)

WindSSW 15 mph

Sun 4/5

65° /46°
63%
Rain

RealFeel®61°

RealFeel Shade™59°

Max UV Index2.0 (Low)

WindS 12 mph

Mon 4/6

66° /43°
25%
Mostly cloudy

RealFeel®62°

RealFeel Shade™61°

Max UV Index2.0 (Low)

WindW 20 mph

Tue 4/7

56° /46°
25%
Turning cloudy

RealFeel®61°

RealFeel Shade™52°

Max UV Index7.0 (High)

WindSSW 9 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Central US to face renewed threat for severe storms, tornadoes

1 hour ago

Severe Weather

Michigan's deadly EF3 tornado among state's earliest on record

2 hours ago

Weather News

Louisiana rocked by 4 earthquakes days after strongest quake in decade...

4 hours ago

Weather Forecasts

Fresh surge of storms to renew flood threat in Central US this week

3 hours ago

Winter Weather

When does winter cold really end in your city?

3 days ago

 More Stories

Featured Stories

Weather News

Indiana just changed the law for rescuing pets trapped in hot cars

1 hour ago

Recreation

25-year-old becomes 1st American woman to row solo across Atlantic

3 days ago

Recreation

When will DC cherry blossoms reach peak bloom? 2026 forecast released

4 days ago

Recreation

Death Valley’s best superbloom since 2016 is here

5 days ago

Weather News

Louisiana rocked by 4 earthquakes days after strongest quake in decade...

4 hours 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

...

...

...