AFTON, WI 53501 Weather Forecast & Current Conditions

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53501 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
JANESVILLE, WI Current Weather
11:45 AM CST JAN 21, 2026
Overcast 19°F
Feels Like:	6°F
Dewpoint:	16°F
Rel. Hum.:	86%
Visibility:	10 miles
Wind:	W at 13 mph
Pressure:	29.92 inches
Last 72 hours
Local Area Snow Depth
Wisconsin Current Weather
Wisconsin MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

53501 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	AFTON, WI 53501 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TODAY
Mostly cloudy. Snow likely late in the afternoon. New snow accumulation up to 1 inch. Near steady temperature in the lower 20s. Southwest winds 10 to 15 mph with gusts to around 30 mph. Chance of snow 70 percent.

TONIGHT
Patchy blowing snow until early morning. Cloudy with light snow in the evening, then mostly cloudy with chance of light snow late in the evening. Mostly clear after midnight. Snow accumulation up to 1 inch. Total snow accumulation up to 5 inches. Lows around 6. West winds 10 to 20 mph with gusts to around 35 mph. Chance of snow 90 percent.

THURSDAY
Partly sunny. Highs around 18. West winds 10 to 20 mph.

THURSDAY NIGHT
Bitterly cold. Much colder. Partly cloudy. Lows around 15 below. Northwest winds around 15 mph with gusts to around 30 mph. Wind chill readings 28 below to 38 below zero.

FRIDAY
Bitterly cold. Much colder. Sunny. Highs around 7 below. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the morning. Lowest wind chill readings 30 below to 40 below zero until late afternoon.

FRIDAY NIGHT
Partly cloudy. Lows around 17 below.

SATURDAY
Partly sunny. Highs near zero.

SATURDAY NIGHT
Mostly cloudy with a 30 percent chance of light snow. Lows around 8 below.

SUNDAY
Partly sunny with a 20 percent chance of light snow. Highs around 8.

SUNDAY NIGHT
Partly cloudy. Lows around 7 below.

MONDAY
Sunny. Highs around 12.

MONDAY NIGHT
Partly cloudy. Lows near zero.

TUESDAY
Partly sunny. Highs around 20.

53501 WEATHER SATELLITE LOOPS

Visible Weather Satellite
AFTON, WI 53501

Infrared Weather Satellite
AFTON, WI 53501

53501 WEATHER RADAR LOOP

NEXRAD Weather Radar
AFTON, WI 53501

MOS COMPUTER WEATHER FORECAST

JANESVILLE, WI 3 hourly weather forecast

weather forecast created 6:00 AM CST 1/21/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
21 JAN 2026

12 PM

23°

11°

Mostly Cloudy

32%
SNOW
.1–1 in

0% Thunder
( 1% severe)

WSW 13

75%

17°

High 26°

3 PM

25°

13°

Mostly Cloudy

WSW 14

72%

18°

Mostly Cloudy

Chance of Snow

6 PM

23°

12°

Mostly Cloudy

35%
SNOW
.1–1 in

0% Thunder
( 3% severe)

SW 10

87%

20°

9 PM

23°

11°

Mostly Cloudy

W 14

75%

17°

Thursday
22 JAN 2026

12 AM

17°

2°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

WNW 15

70%

10°

Low 5°

3 AM

12°

-2°

Partly Cloudy

W 12

69%

5°

High 18°

6 AM

10°

-3°

Partly Cloudy

0%

0% Thunder
( 0% severe)

W 9

73%

4°

Mostly Cloudy

9 AM

12°

-2°

Partly Cloudy

W 12

73%

6°

12 PM

17°

2°

Mostly Cloudy

1%

0% Thunder
( 2% severe)

W 15

60%

7°

3 PM

18°

4°

Mostly Cloudy

W 15

57%

7°

6 PM

12°

-3°

Partly Cloudy

2%

0% Thunder
( 0% severe)

WNW 14

66%

4°

9 PM

7°

-10°

Partly Cloudy

WNW 14

62%

-2°

Friday
23 JAN 2026

12 AM

-2°

-21°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 13

55%

-13°

Low -16°

3 AM

-8°

-28°

Partly Cloudy

NW 13

61%

-17°

High -7°

6 AM

-10°

-31°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 13

54%

-21°

Partly Cloudy

9 AM

-13°

-35°

Clear

NW 14

60%

-22°

12 PM

-9°

-30°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 14

54%

-20°

3 PM

-7°

-26°

Partly Cloudy

NW 12

51%

-19°

6 PM

-10°

-25°

Partly Cloudy

NW 7

64%

-18°


JANESVILLE, WI extended weather forecast
Saturday 24 JAN 2026	Sunday 25 JAN 2026	Monday 26 JAN 2026	Tuesday 27 JAN 2026	Wednesday 28 JAN 2026
Low -11°	Low 0°	Low 3°	Low 8°	Low 17°
High 6°	High 15°	High 12°	High 27°	High 26°

Partly Cloudy 7% Snow	Overcast 20% Snow	Overcast 19% Snow	Clear 10% Snow	Mostly Cloudy 25% Snow

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