SPARTA, WI 54656 Weather Forecast & Current Conditions

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54656 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
MCCOY AAF, WI Current Weather
2:55 PM CDT MAR 15, 2026
Overcast 32°F
Feels Like:	24°F
Dewpoint:	25°F
Rel. Hum.:	74%
Visibility:	10 miles
Wind:	NE at 10 mph, gusts to 21
Pressure:	29.59 inches
Last 72 hours
Local Area Snow Depth
Wisconsin Current Weather
Wisconsin MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

54656 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	SPARTA, WI 54656 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Snow. Patchy blowing snow this evening. Blowing snow after midnight. Snow may be heavy at times after midnight with visibility one quarter mile or less at times. Additional snow accumulation of 4 to 8 inches. Windy, colder with lows around 13. North winds 20 to 30 mph with gusts up to 50 mph. Chance of snow 100 percent.

MONDAY
Mostly cloudy. Snow likely in the morning, then a slight chance of snow in the afternoon. Patchy blowing snow. Visibility one quarter mile or less at times in the morning. Additional snow accumulation of 1 to 3 inches. Windy and much colder with highs around 20. Northwest winds 20 to 30 mph with gusts up to 45 mph. Chance of snow 70 percent.

MONDAY NIGHT
Mostly cloudy in the evening, then clearing. Much colder with lows around 2 below. Northwest winds 10 to 20 mph. Gusts up to 35 mph in the evening. Wind chill values as low as 15 below after midnight.

TUESDAY
Mostly sunny. Highs in the lower 20s. West winds 5 to 10 mph.

TUESDAY NIGHT
Not as cool. Snow. Snow accumulation of 1 to 3 inches. Lows around 14. Temperature rising to around 20 after midnight. South winds 5 to 10 mph. Chance of snow 80 percent.

WEDNESDAY AND WEDNESDAY NIGHT
Mostly cloudy. Highs in the mid 40s. Lows in the upper 20s.

THURSDAY
Mostly sunny. Highs in the upper 40s.

THURSDAY NIGHT THROUGH FRIDAY NIGHT
Mostly cloudy. Lows in the lower 30s. Highs in the lower 50s.

SATURDAY
Mostly sunny. Highs in the lower 50s.

SATURDAY NIGHT AND SUNDAY
Mostly cloudy. Lows in the upper 20s. Highs in the mid 40s.

54656 WEATHER SATELLITE LOOPS

Visible Weather Satellite
SPARTA, WI 54656

Infrared Weather Satellite
SPARTA, WI 54656

54656 WEATHER RADAR LOOP

NEXRAD Weather Radar
SPARTA, WI 54656

MOS COMPUTER WEATHER FORECAST

MCCOY AAF, WI 3 hourly weather forecast

weather forecast created 7:00 AM EST 3/15/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
15 MAR 2026

12 PM

32°

21°

Mostly Cloudy

89%
SNOW
***

0% Thunder
( 4% severe)

NE 17

85%

28°

High 33°

3 PM

32°

21°

Mostly Cloudy

NNE 17

78%

26°

Mostly Cloudy

Snow

Breezy

6 PM

30°

19°

Mostly Cloudy

95%
SNOW
***

0% Thunder
( 2% severe)

N 16

74%

23°

9 PM

27°

14°

Mostly Cloudy

N 17

73%

20°

Monday
16 MAR 2026

12 AM

24°

10°

Mostly Cloudy

93%
SNOW
***

0% Thunder
( 2% severe)

N 18

72%

17°

Low 13°

3 AM

21°

6°

Mostly Cloudy

NNW 18

71%

14°

High 21°

6 AM

18°

3°

Mostly Cloudy

48%
SNOW
***

0% Thunder
( 1% severe)

NNW 17

67%

10°

Mostly Cloudy

Chance of Snow

Breezy

9 AM

17°

1°

Mostly Cloudy

NW 17

67%

9°

12 PM

18°

2°

Mostly Cloudy

12%
SNOW
.1–1 in

0% Thunder
( 4% severe)

NW 18

60%

8°

3 PM

19°

4°

Mostly Cloudy

NW 17

55%

7°

6 PM

15°

2°

Mostly Cloudy

3%

0% Thunder
( 1% severe)

NW 12

60%

5°

9 PM

10°

-2°

Partly Cloudy

NW 8

66%

2°

Tuesday
17 MAR 2026

12 AM

6°

-1°

Partly Cloudy

1%

0% Thunder
( 0% severe)

NW 3

65%

-2°

Low -4°

3 AM

2°

-5°

Partly Cloudy

WNW 2

68%

-5°

High 23°

6 AM

-3°

-10°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WNW 1

76%

-8°

Partly Cloudy

9 AM

7°

1°

Partly Cloudy

WNW 1

62%

-2°

12 PM

17°

12°

Partly Cloudy

5%

0% Thunder
( 1% severe)

W 1

49%

3°

3 PM

21°

17°

Mostly Cloudy

SSW 1

47%

6°

6 PM

19°

15°

Mostly Cloudy

S 1

61%

9°


MCCOY AAF, WI extended weather forecast
Wednesday 18 MAR 2026	Thursday 19 MAR 2026	Friday 20 MAR 2026	Saturday 21 MAR 2026	Sunday 22 MAR 2026
Low 14°	Low 23°	Low 23°	Low 31°	Low 34°
High 35°	High 40°	High 51°	High 58°	High 54°

Overcast 64% Snow	Overcast 21% Rain/Snow	Mostly Cloudy 18% Rain	Mostly Cloudy 17% Rain	Overcast 34% Rain

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