SPARTA, WI 54656 Weather Forecast & Current Conditions

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MCCOY AAF, WI
Current Weather

8:55 AM CDT AUG 19, 2026
Clear
66°F
Feels Like: 66°F
Dewpoint: 61°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: Calm
Pressure: 29.97 inches
Last 72 hours

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SPARTA, WI 54656
Weather Forecast

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REST OF TODAY
Mostly sunny. Highs in the upper 70s. Light winds.
TONIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 50s. West winds around 5 mph in the evening, becoming light and variable.
THURSDAY
Mostly sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph.
THURSDAY NIGHT
Showers likely and a chance of thunderstorms in the evening, then showers after midnight. Lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 80 percent.
FRIDAY
Mostly sunny. Highs around 80. West winds 5 to 10 mph.
FRIDAY NIGHT
Partly cloudy. Lows in the upper 50s.
SATURDAY AND SATURDAY NIGHT
Mostly clear. Highs around 80. Lows in the mid 50s.
SUNDAY THROUGH MONDAY
Partly cloudy. Highs in the upper 70s. Lows in the lower 50s.
MONDAY NIGHT AND TUESDAY
Partly cloudy. A chance of showers. Lows in the upper 50s. Highs in the lower 80s. Chance of rain 30 percent.

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

MCCOY AAF, WI 3 hourly weather forecast

weather forecast created  8:00 PM EDT  8/18/2026
Wednesday
19 AUG 2026
SPARTA, WI 54656 weather forecast Day 1, 0 hours 1 AM 61° 62° Partly Cloudy 2%

0% Thunder
( 3% severe)
  CALM 97% 60°
Low 56° SPARTA, WI 54656 weather forecast Day 1, 3 hours 4 AM 58° 59° Partly Cloudy   CALM 93% 56°
High 80° SPARTA, WI 54656 weather forecast Day 1, 6 hours 7 AM 57° 58° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 96% 56°

Partly Cloudy



SPARTA, WI 54656 weather forecast Day 1, 9 hours 10 AM 68° 68° Mostly Cloudy   CALM 73% 59°
SPARTA, WI 54656 weather forecast Day 1, 12 hours 1 PM 75° 75° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 46% 53°
SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 77° 78° Partly Cloudy   CALM 42% 52°
SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 74° 74° Partly Cloudy 1%

0% Thunder
( 1% severe)
  CALM 53% 56°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 62° 63° Partly Cloudy   CALM 75% 54°
Thursday
20 AUG 2026
SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 58° 59° Clear 1%

0% Thunder
( 2% severe)
  CALM 80% 52°
Low 52° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 56° 56° Clear   CALM 80% 50°
High 83° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 57° 58° Partly Cloudy 4%

0% Thunder
( 3% severe)
  CALM 86% 53°

Partly Cloudy

Chance of Rain

SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 72° 72° Clear   CALM 64% 59°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 78° 79° Partly Cloudy 20%
RAIN
<.01 in
0% Thunder
( 12% severe)
SW   5 52% 59°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 79° 80° Partly Cloudy SW   7 54% 61°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 75° 75° Partly Cloudy 39%
RAIN
>2 in
0% Thunder
( 32% severe)
  CALM 69% 64°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 67° 67° Partly Cloudy   CALM 90% 64°

MCCOY AAF, WI extended weather forecast

Friday
21 AUG 2026
Saturday
22 AUG 2026
Sunday
23 AUG 2026
Monday
24 AUG 2026
Tuesday
25 AUG 2026
Low 57° Low 50° Low 44° Low 48° Low 56°
High 79° High 82° High 80° High 82° High 79°
SPARTA, WI 54656 weather forecast Day 3 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
Mostly Cloudy
44% Rain
Clear
6% Rain
Clear
4% Rain
Partly Cloudy
17% Rain
Partly Cloudy
40% Rain
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