Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
LIVE: Gulf Coast bracing for Hurricane Isaias. See the latest reports. Chevron right
Hurricane Isaias becomes Category 2 storm. Click for the track map. Chevron right

DeKalb, IL

57°F
Location Chevron down
Location News Videos
Use Current Location
Recent

DeKalb

Illinois

57°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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
DeKalb, 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
Today Hourly

10-Day

 Radar MinuteCast® Monthly Air Quality Health & Activities

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

October 8 - October 22

Thu 10/8

72° /48°
3%
Partly cloudy

RealFeel®47°

Cloud Cover35%

WindESE 5 mph

Wind Gusts7 mph

Fri 10/9

67° /53°
62%
Mostly cloudy with a passing shower or two in the afternoon

RealFeel®67°

RealFeel Shade™64°

Max UV Index3.0 (Moderate)

WindSSE 9 mph

Total Hours of Precipitation1

Total Hours of Rain1

Sat 10/10

78° /53°
3%
Nice and warm with periods of clouds and sun

RealFeel®78°

RealFeel Shade™75°

Max UV Index4.0 (Moderate)

WindS 9 mph

Sun 10/11

74° /56°
13%
Mostly cloudy

RealFeel®76°

RealFeel Shade™73°

Max UV Index2.0 (Low)

WindESE 6 mph

Mon 10/12

80° /58°
10%
Partly sunny and warm with the temperature approaching the record high of 82 set in 2010

RealFeel®79°

RealFeel Shade™76°

Max UV Index4.0 (Moderate)

WindS 12 mph

Tue 10/13

67° /51°
11%
Breezy and not as warm with sun and some clouds

RealFeel®67°

RealFeel Shade™64°

Max UV Index4.0 (Moderate)

WindNNW 13 mph

Wed 10/14

62° /55°
75%
Mainly cloudy with occasional rain in the afternoon

RealFeel®63°

RealFeel Shade™59°

Max UV Index4.0 (Moderate)

WindE 10 mph

Total Hours of Precipitation4

Total Hours of Rain4

Thu 10/15

68° /50°
61%
Watch for strong thunderstorms in the morning; humid with times of clouds and sun, a couple of thunderstorms in the afternoon

RealFeel®72°

RealFeel Shade™69°

Max UV Index4.0 (Moderate)

WindSSE 9 mph

Total Hours of Precipitation4

Total Hours of Rain4

Fri 10/16

61° /43°
68%
Cloudy with showers

RealFeel®60°

RealFeel Shade™58°

Max UV Index1.0 (Low)

WindWNW 8 mph

Total Hours of Precipitation3.5

Total Hours of Rain3.5

Sat 10/17

56° /41°
4%
Cloudy

RealFeel®54°

RealFeel Shade™54°

Max UV Index1.0 (Low)

WindNW 8 mph

Sun 10/18

57° /41°
1%
Plenty of sunshine

RealFeel®62°

RealFeel Shade™56°

Max UV Index3.0 (Moderate)

WindNE 4 mph

Mon 10/19

61° /44°
1%
Mostly sunny

RealFeel®64°

RealFeel Shade™60°

Max UV Index3.0 (Moderate)

WindE 5 mph

Tue 10/20

59° /45°
1%
Mostly sunny

RealFeel®65°

RealFeel Shade™60°

Max UV Index3.0 (Moderate)

WindNNW 2 mph

Wed 10/21

60° /39°
56%
Occasional morning rain; otherwise, cloudy

RealFeel®61°

RealFeel Shade™58°

Max UV Index1.0 (Low)

WindNW 5 mph

Total Hours of Precipitation1.5

Total Hours of Rain1.5

Thu 10/22

59° /42°
20%
Plenty of sunshine

RealFeel®62°

RealFeel Shade™56°

Max UV Index3.0 (Moderate)

WindSW 6 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Live Blog

LIVE: Hurricane Isaias path, landfall timing and evacuation updates

LATEST ENTRY

How will Isaias compare to Helene?

4 hours ago

Hurricane

Isaias is Atlantic’s first hurricane; to reach US coast this weekend

17 minutes ago

Winter Weather

Winter forecast 2026-2027: El Niño to reshape snow, cold across US

12 hours ago

Hurricane

Simon to become Category 4 hurricane, part of triple tropical threat

7 hours ago

Severe Weather

Isaias may spin up tornadoes as it tracks across the Southeast

4 hours ago

 More Stories

Featured Stories

Hurricane

Isaias breaks 121-year record as the Atlantic's latest first hurricane

1 hour ago

Weather News

Saturday brings prime fall foliage viewing in the East ahead of Isaias

1 day ago

Weather News

October heat strains Southern California grid as thousands lose power

3 days ago

Astronomy

Jupiter disappeared behind the moon in an eclipse-like event

2 days ago

Travel

Sycamore Gap tree sprouts new life 3 years after vandals cut it down

3 days ago
World North America United States Illinois DeKalb

Weather Near DeKalb:

  • Chicago, IL
  • Joliet, IL
  • Naperville, 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

...

...

...