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Arctic air to set stage for snow before 2026. Click for the forecast. Chevron right

Janesville, WI

16°F
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Janesville

Wisconsin

16°
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Janesville, WI Weather
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Today WinterCast

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

WinterCast

A coating to an inch

Tue, 12/30, 10:00 AM - Tue, 12/30, 5:00 PM

Snow

1 PM

18°
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 52%
Chevron down
Flurries

RealFeel Shade™1°

WindW 15 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts21 mph

Humidity75%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Snowtrace

Visibility10 mi

Cloud Ceiling1200 ft

2 PM

20°
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 57%
Chevron down
Flurries

RealFeel Shade™0°

WindWSW 16 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts24 mph

Humidity76%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Snow0.1

Visibility6 mi

Cloud Ceiling1800 ft

3 PM

20°
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 57%
Chevron down
Flurries

RealFeel Shade™1°

WindWSW 16 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts25 mph

Humidity78%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Snow0.1

Visibility6 mi

Cloud Ceiling1800 ft

4 PM

21°
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 49%
Chevron down
Snow

RealFeel Shade™2°

WindWSW 16 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts27 mph

Humidity78%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Snow0.1

Visibility6 mi

Cloud Ceiling1800 ft

5 PM

22°
RealFeel® 5°
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 45%
Chevron down
Cloudy

WindSW 15 mph

Air QualityFair

Wind Gusts28 mph

Humidity81%

Indoor Humidity28% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling1700 ft

6 PM

22°
RealFeel® 6°
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 43%
Chevron down
Cloudy

WindWSW 14 mph

Air QualityFair

Wind Gusts25 mph

Humidity86%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling1700 ft

7 PM

21°
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 45%
Chevron down
Flurries

WindWSW 9 mph

Air QualityFair

Wind Gusts16 mph

Humidity94%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Snowtrace

Visibility10 mi

Cloud Ceiling1700 ft

8 PM

24°
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 47%
Chevron down
Flurries

WindWSW 9 mph

Air QualityFair

Wind Gusts16 mph

Humidity89%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Snowtrace

Visibility10 mi

Cloud Ceiling1700 ft

9 PM

25°
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 43%
Chevron down
Cloudy

WindW 9 mph

Air QualityFair

Wind Gusts14 mph

Humidity89%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1700 ft

10 PM

26°
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 34%
Chevron down
Cloudy

WindW 9 mph

Air QualityFair

Wind Gusts14 mph

Humidity91%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1800 ft

11 PM

26°
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 34%
Chevron down
Cloudy

WindWNW 9 mph

Air QualityFair

Wind Gusts14 mph

Humidity89%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1900 ft

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  • Beloit, WI
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