SPARTA, WI 54656 Weather Forecast & Current Conditions

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MCCOY AAF, WI
Current Weather

6:55 PM CDT AUG 9, 2026
Broken Clouds
77°F
Feels Like: 79°F
Dewpoint: 68°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: Calm
Pressure: 29.88 inches
Last 72 hours

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SPARTA, WI 54656
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 60s. South winds around 5 mph this evening, becoming light and variable.
MONDAY
Areas of fog in the morning. Mostly sunny. Humid with highs in the mid 80s. Light and variable winds, becoming southeast around 5 mph in the afternoon.
MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Light and variable winds.
TUESDAY
Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Light winds. Chance of rain 50 percent.
TUESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.
WEDNESDAY AND WEDNESDAY NIGHT
Partly cloudy. Highs in the lower 80s. Lows around 60.
THURSDAY AND THURSDAY NIGHT
Mostly cloudy. Highs in the upper 70s. Lows in the mid 50s.
FRIDAY
Mostly sunny. Highs in the upper 70s.
FRIDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A 30 percent chance of showers. Lows in the upper 50s.
SATURDAY
Partly sunny with a 30 percent chance of showers. Highs in the upper 70s.
SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 50s.
SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 70s.

Visible Weather Satellite
SPARTA, WI 54656
Infrared Weather Satellite
SPARTA, WI 54656
NEXRAD Weather Radar
SPARTA, WI 54656

MCCOY AAF, WI 3 hourly weather forecast

weather forecast created  8:00 AM EDT  8/ 9/2026
Sunday
9 AUG 2026
SPARTA, WI 54656 weather forecast Day 1, 12 hours 1 PM 72° 72° Mostly Cloudy 25%
RAIN
1–2 in
0% Thunder
( 21% severe)
  CALM 93% 70°
High 77° SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 76° 77° Partly Cloudy SW   2 82% 70°
Mostly Cloudy

Chance of Rain

SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 76° 77° Mostly Cloudy 7%

0% Thunder
( 10% severe)
  CALM 82% 70°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 69° 69° Partly Cloudy   CALM 100% 69°
Monday
10 AUG 2026
SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 66° 66° Partly Cloudy 2%

0% Thunder
( 5% severe)
  CALM 100% 66°
Low 61° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 63° 64° Mostly Cloudy   CALM 100% 63°
High 86° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 64° 66° Mostly Cloudy 3%

0% Thunder
( 10% severe)
  CALM 100% 64°

Decreasing Clouds



SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 73° 73° Partly Cloudy   CALM 87% 69°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 80° 82° Partly Cloudy 2%

0% Thunder
( 9% severe)
  CALM 62% 66°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 82° 84° Clear   CALM 56% 65°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 80° 82° Partly Cloudy 3%

0% Thunder
( 8% severe)
  CALM 65% 67°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 69° 69° Partly Cloudy   CALM 90% 66°
Tuesday
11 AUG 2026
SPARTA, WI 54656 weather forecast Day 3, 0 hours 1 AM 65° 65° Mostly Cloudy 31%
RAIN
.25–.5 in
0% Thunder
( 7% severe)
  CALM 93% 63°
Low 61° SPARTA, WI 54656 weather forecast Day 3, 3 hours 4 AM 64° 66° Mostly Cloudy   CALM 90% 61°
High 85° SPARTA, WI 54656 weather forecast Day 3, 6 hours 7 AM 65° 65° Mostly Cloudy 28%
RAIN
***
0% Thunder
( 13% severe)
  CALM 97% 64°

Mostly Cloudy

Chance of Rain

SPARTA, WI 54656 weather forecast Day 3, 9 hours 10 AM 73° 73° Mostly Cloudy   CALM 84% 68°
SPARTA, WI 54656 weather forecast Day 3, 15 hours 1 PM 79° 81° Partly Cloudy 14%
RAIN
.01–.1 in
0% Thunder
( 19% severe)
  CALM 69% 68°
SPARTA, WI 54656 weather forecast Day 3, 18 hours 4 PM 81° 84° Partly Cloudy   CALM 65% 68°
SPARTA, WI 54656 weather forecast Day 3, 21 hours 7 PM 79° 82° Partly Cloudy       CALM 72% 69°

MCCOY AAF, WI extended weather forecast

Wednesday
12 AUG 2026
Thursday
13 AUG 2026
Friday
14 AUG 2026
Saturday
15 AUG 2026
Sunday
16 AUG 2026
Low 54° Low 47° Low 45° Low 49° Low 54°
High 83° High 76° High 78° High 75° High 79°
SPARTA, WI 54656 weather forecast Day 4 SPARTA, WI 54656 weather forecast Day 5 SPARTA, WI 54656 weather forecast Day 6 SPARTA, WI 54656 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
22% Rain
Clear
9% Rain
Clear
12% Rain
Partly Cloudy
22% Rain
Mostly Cloudy
37% Rain
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