Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Dangerous storms loom for millions from Texas to the Northeast. Click for the forecast. Chevron right
Heat wave brings summerlike weather to the East. See how hot it will get this week. Chevron right

Marcus, IL

65°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Marcus

Illinois

65°
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
Marcus, 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

6 AM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 59%
Chevron down
Thunderstorms

RealFeel Shade™66°

WindSW 10 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts15 mph

Humidity86%

Indoor Humidity86% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling3300 ft

7 AM

69°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 68%
Chevron down
Thunderstorms

RealFeel Shade™63°

WindSSW 8 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts15 mph

Humidity85%

Indoor Humidity85% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Rain0.27 in

Visibility3 mi

Cloud Ceiling1500 ft

8 AM

68°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

RealFeel Shade™62°

WindSSW 16 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts21 mph

Humidity82%

Indoor Humidity82% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility5 mi

Cloud Ceiling2000 ft

9 AM

69°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™66°

WindSW 15 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts18 mph

Humidity83%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1900 ft

10 AM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 44%
Chevron down
Cloudy

RealFeel Shade™64°

WindSW 15 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts20 mph

Humidity82%

Indoor Humidity82% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1800 ft

11 AM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 46%
Chevron down
Cloudy

RealFeel Shade™63°

WindWSW 16 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts23 mph

Humidity79%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1900 ft

12 PM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™63°

WindWNW 16 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts27 mph

Humidity74%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling2100 ft

1 PM

64°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 54%
Chevron down
Thunderstorms

RealFeel Shade™57°

WindWNW 16 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts28 mph

Humidity76%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility5 mi

Cloud Ceiling2200 ft

2 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™62°

WindNW 15 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts27 mph

Humidity67%

Indoor Humidity62% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling2700 ft

3 PM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™63°

WindNW 15 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts27 mph

Humidity61%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling3200 ft

4 PM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 39%
Chevron down
Cloudy

RealFeel Shade™63°

WindNW 16 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts25 mph

Humidity58%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling3700 ft

5 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™62°

WindNW 15 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts25 mph

Humidity55%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7300 ft

6 PM

64°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 64%
Chevron down
Thunderstorms

RealFeel Shade™58°

WindNW 14 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts23 mph

Humidity59%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

7 PM

63°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 59%
Chevron down
Thunderstorms

RealFeel Shade™56°

WindNW 13 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts23 mph

Humidity59%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.02 in

Visibility6 mi

Cloud Ceiling4000 ft

8 PM

62°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 3%
Chevron down
Mostly cloudy

RealFeel Shade™58°

WindNW 10 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts18 mph

Humidity58%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

59°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindNW 8 mph

Air QualityFair

Wind Gusts15 mph

Humidity61%

Indoor Humidity44% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

56°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindNW 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity65%

Indoor Humidity43% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

53°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindNNW 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity69%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Marcus

AccuWeather's hourly forecast for Marcus provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 68° with a RealFeel® of 66°, thunderstorms with a 59% 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

Thursday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Dangerous storms loom for millions from Texas to the Northeast

1 hour ago

Weather Forecasts

Heat wave to complete spring weather whiplash, worsen drought in East

1 hour ago

Severe Weather

Tornadoes charge through Plains, Midwest, ripping apart homes in Nebra...

16 hours ago

Astronomy

Crescent moon is about to join Venus and Jupiter in evening sky

22 hours ago

Weather Forecasts

Memorial Day weekend: Downpours, storms from Texas to New England

1 hour ago

 More Stories

Featured Stories

Astronomy

Watch an asteroid safely pass close to Earth on Monday

19 hours ago

Severe Weather

10 types of tornadoes that occur in the US

21 hours ago

Astronomy

SpaceX poised for first Starship flight test of 2026

3 days ago

Severe Weather

Does a green sky mean a tornado is coming?

21 hours ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

4 days ago
World North America United States Illinois Marcus

Weather Near Marcus:

  • Davenport, IA
  • Moline, IL
  • Rock Island, 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

...

...

...