AFTON, WI 53501 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

6:45 AM CST JAN 17, 2026
Overcast
10°F
Feels Like: -6°F
Dewpoint: 3°F
Rel. Hum.: 69%
Visibility: 10 miles
Wind: W at 13 mph, gusts to 22
Pressure: 29.84 inches
Last 72 hours

Local Area Snow Depth

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AFTON, WI 53501
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Colder. Light snow. Snow accumulation of 1 to 2 inches. Total snow accumulation 1 to 3 inches. Highs around 19. West winds 10 to 15 mph. Chance of snow near 100 percent.
TONIGHT
Mostly cloudy. A 50 percent chance of light snow through around midnight. Lows around 5. West winds 10 to 15 mph.
SUNDAY
Mostly cloudy. Light snow in the afternoon. Snow accumulation up to 1 inch. Highs around 17. Southwest winds 10 to 15 mph. Chance of snow 80 percent.
SUNDAY NIGHT
Bitterly cold. Breezy. Cloudy with a 50 percent chance of light snow through around midnight, then partly cloudy after midnight. Lows around 2 below. West winds 10 to 15 mph shifting to the northwest 15 to 25 mph after midnight. Lowest wind chill readings 14 below to 24 below zero after midnight.
MARTIN LUTHER KING JR DAY
Bitterly cold. Colder, breezy. Partly sunny. Highs around 6. West winds 15 to 25 mph. Wind chill readings 15 below to 25 below zero.
MONDAY NIGHT
Partly cloudy. Lows around 4 below.
TUESDAY
Sunny in the morning then becoming partly sunny. Not as cold. Highs around 20.
TUESDAY NIGHT
Mostly cloudy with a 50 percent chance of light snow. Not as cold. Lows around 12.
WEDNESDAY
Mostly cloudy. A 20 percent chance of light snow in the morning. Highs in the lower 20s.
WEDNESDAY NIGHT
Partly cloudy. Lows around 6.
THURSDAY
Partly sunny. Highs around 15.
THURSDAY NIGHT
Partly cloudy. Lows around 2.
FRIDAY
Partly sunny. A 20 percent chance of light snow in the afternoon. Highs around 18.

Visible Weather Satellite
AFTON, WI 53501
Infrared Weather Satellite
AFTON, WI 53501
NEXRAD Weather Radar
AFTON, WI 53501

JANESVILLE, WI 3 hourly weather forecast

weather forecast created  6:00 PM CST  1/16/2026
Saturday
17 JAN 2026
AFTON, WI 53501 weather forecast Day 1, 0 hours 12 AM 19° Mostly Cloudy 16%
SNOW
<.1 in
0% Thunder
( 0% severe)
W   12 71% 12°
Low 14° AFTON, WI 53501 weather forecast Day 1, 3 hours 3 AM 16° Mostly Cloudy W   12 74% 10°
High 19° AFTON, WI 53501 weather forecast Day 1, 6 hours 6 AM 16° Mostly Cloudy 20%
SNOW
<.1 in
0% Thunder
( 0% severe)
W   12 70%

Mostly Cloudy

Chance of Snow

AFTON, WI 53501 weather forecast Day 1, 9 hours 9 AM 15° Mostly Cloudy W   13 74%
AFTON, WI 53501 weather forecast Day 1, 12 hours 12 PM 17° Mostly Cloudy 22%
SNOW
<.1 in
0% Thunder
( 2% severe)
W   14 74% 11°
AFTON, WI 53501 weather forecast Day 1, 15 hours 3 PM 19° Mostly Cloudy W   14 71% 12°
AFTON, WI 53501 weather forecast Day 1, 18 hours 6 PM 18° Mostly Cloudy 4%

0% Thunder
( 0% severe)
WNW   14 74% 12°
AFTON, WI 53501 weather forecast Day 1, 21 hours 9 PM 15° Mostly Cloudy WNW   12 74%
Sunday
18 JAN 2026
AFTON, WI 53501 weather forecast Day 2, 0 hours 12 AM 11° -3° Mostly Cloudy 1%

0% Thunder
( 0% severe)
W   10 69%
Low 3° AFTON, WI 53501 weather forecast Day 2, 3 hours 3 AM -5° Partly Cloudy W   9 69%
High 17° AFTON, WI 53501 weather forecast Day 2, 6 hours 6 AM -7° Mostly Cloudy 5%

0% Thunder
( 0% severe)
WSW   9 69%

Mostly Cloudy

Chance of Snow

AFTON, WI 53501 weather forecast Day 2, 9 hours 9 AM -6° Mostly Cloudy SW   12 65%
AFTON, WI 53501 weather forecast Day 2, 12 hours 12 PM 13° -3° Mostly Cloudy 41%
SNOW
.1–1 in
0% Thunder
( 2% severe)
SW   15 59%
AFTON, WI 53501 weather forecast Day 2, 15 hours 3 PM 16° Mostly Cloudy SW   15 67%
AFTON, WI 53501 weather forecast Day 2, 18 hours 6 PM 16° Mostly Cloudy 15%
SNOW
.1–1 in
0% Thunder
( 2% severe)
SW   13 74% 10°
AFTON, WI 53501 weather forecast Day 2, 21 hours 9 PM 16° Mostly Cloudy W   14 74% 10°

JANESVILLE, WI extended weather forecast

Monday
19 JAN 2026
Tuesday
20 JAN 2026
Wednesday
21 JAN 2026
Thursday
22 JAN 2026
Friday
23 JAN 2026
Low 1° Low 2° Low 20° Low 11° Low 14°
High 6° High 24° High 26° High 25° High 20°
AFTON, WI 53501 weather forecast Day 3 AFTON, WI 53501 weather forecast Day 4 AFTON, WI 53501 weather forecast Day 5 AFTON, WI 53501 weather forecast Day 6 AFTON, WI 53501 weather forecast Day 7
Mostly Cloudy
39% Snow
Partly Cloudy
9% Snow
Overcast
31% Snow
Overcast
25% Snow
Overcast
33% Snow
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