SPARTA, WI 54656 Weather Forecast & Current Conditions

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MCCOY AAF, WI
Current Weather

9:55 AM CDT AUG 17, 2026
Clear
72°F
Feels Like: 72°F
Dewpoint: 64°F
Rel. Hum.: 76%
Visibility: 10 miles
Wind: Calm
Pressure: 30.06 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 mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
TUESDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. West winds 5 to 10 mph. Chance of rain 60 percent.
TUESDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 30 percent.
WEDNESDAY
Mostly sunny. Highs in the upper 70s. Light and variable winds, becoming northwest around 5 mph in the afternoon.
WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable.
THURSDAY
Mostly sunny. Highs in the lower 80s.
THURSDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 50 percent.
FRIDAY
Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. Highs around 80. Chance of rain 50 percent.
FRIDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 50 percent.
SATURDAY THROUGH MONDAY
Partly cloudy. Highs in the upper 70s. Lows in the mid 50s.

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  8/17/2026
Monday
17 AUG 2026
SPARTA, WI 54656 weather forecast Day 1, 12 hours 1 PM 77° 79° Clear 1%

0% Thunder
( 3% severe)
WNW   5 52% 58°
High 81° SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 80° 81° Clear W   5 47% 58°
Increasing Clouds



SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 77° 79° Partly Cloudy 5%

0% Thunder
( 5% severe)
  CALM 56% 60°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 67° 67° Mostly Cloudy   CALM 78% 60°
Tuesday
18 AUG 2026
SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 64° 66° Partly Cloudy 21%
RAIN
.1–.25 in
0% Thunder
( 18% severe)
  CALM 84% 59°
Low 60° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 63° 64° Mostly Cloudy   CALM 87% 59°
High 79° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 64° 66° Partly Cloudy 20%
RAIN
<.01 in
0% Thunder
( 17% severe)
  CALM 93% 62°

Mostly Cloudy

Chance of Rain

SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 70° 70° Mostly Cloudy W   2 87% 66°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 74° 74° Mostly Cloudy 50%
RAIN
***
0% Thunder
( 37% severe)
W   5 79% 67°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 74° 74° Partly Cloudy W   3 76% 66°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 72° 72° Partly Cloudy 17%
RAIN
.01–.1 in
0% Thunder
( 25% severe)
  CALM 79% 65°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 63° 64° Partly Cloudy   CALM 100% 63°
Wednesday
19 AUG 2026
SPARTA, WI 54656 weather forecast Day 3, 0 hours 1 AM 59° 60° Clear 2%

0% Thunder
( 3% severe)
  CALM 100% 59°
Low 53° SPARTA, WI 54656 weather forecast Day 3, 3 hours 4 AM 56° 56° Partly Cloudy   CALM 96% 55°
High 79° SPARTA, WI 54656 weather forecast Day 3, 6 hours 7 AM 56° 56° Mostly Cloudy 1%

0% Thunder
( 1% severe)
  CALM 96% 55°

Partly Cloudy



SPARTA, WI 54656 weather forecast Day 3, 9 hours 10 AM 67° 67° Partly Cloudy   CALM 75% 59°
SPARTA, WI 54656 weather forecast Day 3, 15 hours 1 PM 74° 74° Partly Cloudy 1%

0% Thunder
( 3% severe)
  CALM 51% 55°
SPARTA, WI 54656 weather forecast Day 3, 18 hours 4 PM 76° 78° Partly Cloudy   CALM 45% 53°
SPARTA, WI 54656 weather forecast Day 3, 21 hours 7 PM 73° 73° Partly Cloudy       CALM 55% 56°

MCCOY AAF, WI extended weather forecast

Thursday
20 AUG 2026
Friday
21 AUG 2026
Saturday
22 AUG 2026
Sunday
23 AUG 2026
Monday
24 AUG 2026
Low 46° Low 52° Low 49° Low 45° Low 49°
High 82° High 84° High 80° 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
26% Rain
Mostly Cloudy
34% Rain
Partly Cloudy
42% Rain
Clear
10% Rain
Partly Cloudy
28% Rain
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