Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Northeast braces for coldest weekend of winter. See how low temps will plunge. Chevron right

Sullivan, WI

28°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Sullivan

Wisconsin

28°
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
Sullivan, WI 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 WinterCast

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

WinterCast

A coating to an inch

Fri, 2/6, 2:00 AM - Fri, 2/6, 5:00 AM

Snow

2 AM

28°
RealFeel® 11°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 68%
Chevron down
Snow

WindW 15 mph

Air QualityPoor

Wind Gusts18 mph

Humidity90%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.20 in

Visibility3 mi

Cloud Ceiling3700 ft

3 AM

28°
RealFeel® 11°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 68%
Chevron down
Snow

WindW 15 mph

Air QualityPoor

Wind Gusts18 mph

Humidity90%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.20 in

Visibility3 mi

Cloud Ceiling2000 ft

4 AM

29°
RealFeel® 12°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 55%
Chevron down
Snow

WindW 15 mph

Air QualityPoor

Wind Gusts18 mph

Humidity90%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Snow0.20 in

Visibility3 mi

Cloud Ceiling1700 ft

5 AM

29°
RealFeel® 15°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindWNW 16 mph

Air QualityFair

Wind Gusts18 mph

Humidity90%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility5 mi

Cloud Ceiling1400 ft

6 AM

30°
RealFeel® 15°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 43%
Chevron down
Cloudy

WindWNW 16 mph

Air QualityFair

Wind Gusts21 mph

Humidity89%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility5 mi

Cloud Ceiling1100 ft

7 AM

31°
RealFeel® 17°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 48%
Chevron down
Flurries

WindNW 14 mph

Air QualityFair

Wind Gusts20 mph

Humidity88%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Snowtrace

Visibility8 mi

Cloud Ceiling1300 ft

8 AM

31°
RealFeel® 16°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 48%
Chevron down
Flurries

RealFeel Shade™16°

WindNNW 16 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts22 mph

Humidity86%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Snowtrace

Visibility8 mi

Cloud Ceiling1600 ft

9 AM

32°
RealFeel® 18°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 44%
Chevron down
Cloudy

RealFeel Shade™18°

WindNNW 17 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts25 mph

Humidity81%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility8 mi

Cloud Ceiling1800 ft

10 AM

34°
RealFeel® 19°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™19°

WindNNW 17 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts29 mph

Humidity75%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility8 mi

Cloud Ceiling2000 ft

11 AM

35°
RealFeel® 21°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™21°

WindNNW 18 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts31 mph

Humidity67%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility8 mi

Cloud Ceiling2200 ft

12 PM

35°
RealFeel® 20°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™20°

WindNNW 20 mph

Air QualityExcellent

Max UV Index0.8 (Low)

Wind Gusts33 mph

Humidity66%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility8 mi

Cloud Ceiling2400 ft

1 PM

35°
RealFeel® 22°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 8%
Chevron down
Cloudy

RealFeel Shade™22°

WindNNW 15 mph

Air QualityExcellent

Max UV Index0.6 (Low)

Wind Gusts28 mph

Humidity63%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility8 mi

Cloud Ceiling2500 ft

2 PM

33°
RealFeel® 20°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 8%
Chevron down
Cloudy

RealFeel Shade™20°

WindNNW 15 mph

Air QualityExcellent

Max UV Index0.5 (Low)

Wind Gusts30 mph

Humidity62%

Indoor Humidity32% (Dry)

Dew Point21° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility8 mi

Cloud Ceiling2500 ft

3 PM

30°
RealFeel® 16°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 8%
Chevron down
Cloudy

RealFeel Shade™16°

WindNNW 15 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts31 mph

Humidity65%

Indoor Humidity30% (Dry)

Dew Point20° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility8 mi

Cloud Ceiling2500 ft

4 PM

29°
RealFeel® 15°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 8%
Chevron down
Intermittent clouds

RealFeel Shade™15°

WindNNW 15 mph

Air QualityExcellent

Max UV Index0.3 (Low)

Wind Gusts31 mph

Humidity61%

Indoor Humidity29% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover69%

Visibility8 mi

Cloud Ceiling2500 ft

5 PM

27°
RealFeel® 13°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 8%
Chevron down
Partly sunny

RealFeel Shade™13°

WindNNW 14 mph

Air QualityExcellent

Max UV Index0.0 (Low)

Wind Gusts32 mph

Humidity57%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover37%

Visibility8 mi

Cloud Ceiling30000 ft

6 PM

24°
RealFeel® 10°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 5%
Chevron down
Mostly clear

WindNNW 13 mph

Air QualityExcellent

Wind Gusts31 mph

Humidity57%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility8 mi

Cloud Ceiling30000 ft

7 PM

21°
RealFeel® 7°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNNW 13 mph

Air QualityExcellent

Wind Gusts28 mph

Humidity57%

Indoor Humidity23% (Very Dry)

Dew Point8° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

18°
RealFeel® 4°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindN 13 mph

Air QualityExcellent

Wind Gusts24 mph

Humidity58%

Indoor Humidity21% (Very Dry)

Dew Point6° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

16°
RealFeel® 2°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindN 12 mph

Air QualityExcellent

Wind Gusts21 mph

Humidity59%

Indoor Humidity19% (Extremely Dry)

Dew Point4° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

14°
RealFeel® 1°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNNW 10 mph

Air QualityExcellent

Wind Gusts17 mph

Humidity61%

Indoor Humidity18% (Extremely Dry)

Dew Point3° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

12°
RealFeel® 0°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNNW 9 mph

Air QualityExcellent

Wind Gusts16 mph

Humidity62%

Indoor Humidity17% (Extremely Dry)

Dew Point2° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Sunday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Northeast braces for coldest weekend of winter with snow for some

10 hours ago

Winter Weather

Florida growers battle rare freeze, threatening crops

1 day ago

Winter Weather

Frigid air eases in second week of February for Midwest, East

10 hours ago

Winter Weather

New Jersey firefighter dies after falling into frozen Delaware River

10 hours ago

Winter Weather

‘Like a bomb went off:’ ESPN's Kirk Herbstreit describes ice storm dam...

2 days ago

 More Stories

Featured Stories

Astronomy

6 planets, moon will align in February, but there's a catch

16 hours ago

Recreation

Death Valley seeks tips after illegal off-roading damages rare plants

16 hours ago

Weather News

Teen swam hours to get help for family swept out to sea

1 day ago

Winter Weather

Body recovered from frozen Potomac River in Washington, D.C.

1 day ago

Winter Weather

Snow piles nearly 7 feet high as deadly storms bury northern Japan

2 days ago
World North America United States Wisconsin Sullivan

Weather Near Sullivan:

  • Kenosha, WI
  • Milwaukee, WI
  • Racine, WI
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

...

...

...