Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Rain is coming for the drought-stricken Southeast. See how it will impact wildfire conditions. Chevron right
Severe weather, tornado risk to intensify into next week. Get the details. Chevron right

Grantsburg, IL

63°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grantsburg

Illinois

63°
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
Grantsburg, 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

12 AM

62°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindNNW 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity95%

Indoor Humidity77% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling7100 ft

1 AM

61°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindN 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity97%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2000 ft

2 AM

59°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindN 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity100%

Indoor Humidity74% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling8200 ft

3 AM

58°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindN 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity100%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling9300 ft

4 AM

58°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindN 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity100%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling2000 ft

5 AM

58°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

WindN 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity100%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover82%

Visibility10 mi

Cloud Ceiling12800 ft

6 AM

56°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

WindNNE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity100%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover67%

Visibility10 mi

Cloud Ceiling15100 ft

7 AM

58°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 5%
Chevron down
Intermittent clouds

RealFeel Shade™57°

WindNNE 6 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts6 mph

Humidity100%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover54%

Visibility10 mi

Cloud Ceiling2000 ft

8 AM

61°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™59°

WindNNE 6 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts7 mph

Humidity92%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

66°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™63°

WindNE 7 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts7 mph

Humidity80%

Indoor Humidity74% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

69°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™67°

WindNE 7 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts8 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

72°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™70°

WindNE 8 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts9 mph

Humidity63%

Indoor Humidity63% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

75°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™72°

WindNE 8 mph

Air QualityFair

Max UV Index6.3 (High)

Wind Gusts10 mph

Humidity56%

Indoor Humidity56% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

78°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™75°

WindNNE 8 mph

Air QualityFair

Max UV Index7.0 (High)

Wind Gusts13 mph

Humidity50%

Indoor Humidity50% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

79°
RealFeel® 84°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™76°

WindNNE 8 mph

Air QualityFair

Max UV Index6.3 (High)

Wind Gusts13 mph

Humidity46%

Indoor Humidity46% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

81°
RealFeel® 84°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™78°

WindNNE 8 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts14 mph

Humidity41%

Indoor Humidity41% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

80°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™77°

WindNNE 8 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts14 mph

Humidity42%

Indoor Humidity42% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

79°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™76°

WindNNE 8 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts13 mph

Humidity42%

Indoor Humidity42% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

78°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™75°

WindNNE 7 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts10 mph

Humidity45%

Indoor Humidity45% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

75°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™73°

WindNNE 6 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts7 mph

Humidity50%

Indoor Humidity50% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

72°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindNNE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity54%

Indoor Humidity54% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

69°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindNE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity59%

Indoor Humidity59% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindNE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity64%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

63°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindNE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity69%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Grantsburg

AccuWeather's hourly forecast for Grantsburg provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 62° with a RealFeel® of 63°, cloudy with a 7% 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

Sunday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe weather, tornado risk to intensify through late April

8 hours ago

Weather Forecasts

Rain forecast for Southeast, but won’t end drought, wildfire concerns

11 hours ago

Severe Weather

EF4 tornado devastates Enid, Oklahoma amid Thursday's severe weather

5 hours ago

Severe Weather

Twister sisters: 'Satellite tornado' amazes storm chaser in Oklahoma

9 hours ago

Weather News

Georgia in state of emergency as wildfires destroy homes amid drought

9 hours ago

 More Stories

Featured Stories

Weather Forecasts

Spring setback to deliver some rain, more chill to Northeast

8 hours ago

Severe Weather

Historic Great Lakes flooding shoves ice chunks into Michigan homes

3 days ago

Severe Weather

Illinois leads nation in tornado, hail and wind reports so far in 2026

4 days ago

Astronomy

Earth Day: See breathtaking photos Artemis II astronauts took of Earth

2 days ago

Severe Weather

Extreme rainfall in New Zealand causes devastating flooding

3 days ago
World North America United States Illinois Grantsburg

Weather Near Grantsburg:

  • Cape Girardeau, MO
  • Carbondale, IL
  • Paducah, KY
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

...

...

...