SPARTA, WI 54656 Weather Forecast & Current Conditions

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MCCOY AAF, WI
Current Weather

10:55 AM CDT SEP 8, 2026
Few Clouds
66°F
Feels Like: 66°F
Dewpoint: 63°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: Calm
Pressure: 30.03 inches
Last 72 hours

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SPARTA, WI 54656
Weather Forecast

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THIS AFTERNOON
Mostly cloudy with a chance of thunderstorms. Showers likely early, then a chance of showers this afternoon. Highs in the upper 70s. South winds 10 to 15 mph. Chance of rain 60 percent.
TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Patchy fog after midnight. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
WEDNESDAY
Areas of fog in the morning. Mostly sunny. Highs in the lower 80s. West winds 5 to 10 mph.
WEDNESDAY NIGHT
Much cooler. Mostly clear. Lows in the lower 50s. Northwest winds 5 to 10 mph.
THURSDAY
Sunny. Highs in the upper 70s. Light winds.
THURSDAY NIGHT
Clear. Lows in the lower 50s.
FRIDAY
Mostly sunny. Highs around 80.
FRIDAY NIGHT
Showers likely. Lows in the lower 60s. Chance of rain 70 percent.
SATURDAY AND SATURDAY NIGHT
Partly cloudy. Highs in the mid 70s. Lows in the lower 50s.
SUNDAY
Partly sunny with a chance of showers. Highs in the lower 70s. Chance of rain 40 percent.
SUNDAY NIGHT AND MONDAY
Mostly cloudy. A chance of showers. Lows in the lower 50s. Highs in the lower 70s. Chance of rain 50 percent.

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  9/ 8/2026
Tuesday
8 SEP 2026
SPARTA, WI 54656 weather forecast Day 1, 12 hours 1 PM 74° 74° Mostly Cloudy 26%
RAIN
.01–.1 in
0% Thunder
( 28% severe)
S   10 84% 69°
High 78° SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 77° 79° Mostly Cloudy S   7 79% 70°
Mostly Cloudy

Rain Likely

SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 75° 75° Mostly Cloudy 70%
RAIN
***
0% Thunder
( 43% severe)
S   1 87% 71°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 71° 71° Mostly Cloudy SSW   1 100% 71°
Wednesday
9 SEP 2026
SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 71° 71° Mostly Cloudy 39%
RAIN
***
0% Thunder
( 28% severe)
  CALM 97% 70°
Low 65° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 70° 70° Mostly Cloudy   CALM 100% 70°
High 82° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 69° 69° Mostly Cloudy 1%

0% Thunder
( 1% severe)
  CALM 100% 69°

Decreasing Clouds



SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 71° 71° Partly Cloudy   CALM 90% 68°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 77° 79° Partly Cloudy 1%

0% Thunder
( 7% severe)
WNW   8 60% 62°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 79° 80° Clear W   10 50% 59°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 72° 72° Clear 0%

0% Thunder
( 4% severe)
W   2 66% 60°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 62° 63° Clear   CALM 87% 58°
Thursday
10 SEP 2026
SPARTA, WI 54656 weather forecast Day 3, 0 hours 1 AM 57° 58° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 90% 54°
Low 49° SPARTA, WI 54656 weather forecast Day 3, 3 hours 4 AM 53° 53° Clear   CALM 93% 51°
High 78° SPARTA, WI 54656 weather forecast Day 3, 6 hours 7 AM 51° 51° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 100% 51°

Clear



SPARTA, WI 54656 weather forecast Day 3, 9 hours 10 AM 66° 66° Clear   CALM 75% 58°
SPARTA, WI 54656 weather forecast Day 3, 15 hours 1 PM 73° 73° Clear 0%

0% Thunder
( 1% severe)
  CALM 53% 55°
SPARTA, WI 54656 weather forecast Day 3, 18 hours 4 PM 74° 74° Clear   CALM 50% 54°
SPARTA, WI 54656 weather forecast Day 3, 21 hours 7 PM 69° 69° Clear       CALM 68% 58°

MCCOY AAF, WI extended weather forecast

Friday
11 SEP 2026
Saturday
12 SEP 2026
Sunday
13 SEP 2026
Monday
14 SEP 2026
Tuesday
15 SEP 2026
Low 40° Low 52° Low 38° Low 49° Low 56°
High 81° High 74° High 67° High 68° High 72°
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
Clear
7% Rain
Mostly Cloudy
40% Rain
Mostly Cloudy
43% Rain
Overcast
60% Rain
Overcast
35% Rain
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