SPARTA, WI 54656 Weather Forecast & Current Conditions

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MCCOY AAF, WI
Current Weather

7:55 AM CDT AUG 20, 2026
Clear
52°F
Feels Like: 52°F
Dewpoint: 52°F
Rel. Hum.: 100%
Visibility: 10 miles
Wind: Calm
Pressure: 30.06 inches
Last 72 hours

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SPARTA, WI 54656
Weather Forecast

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TODAY
Patchy fog this morning. Mostly sunny. Highs in the lower 80s. Southwest winds around 5 mph.
TONIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Warmer with lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 50 percent.
FRIDAY
Mostly sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon.
FRIDAY NIGHT
Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph.
SATURDAY
Mostly sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph.
SATURDAY NIGHT
Clear. Lows in the lower 50s.
SUNDAY
Mostly sunny. Highs in the upper 70s.
SUNDAY NIGHT AND MONDAY
Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.
MONDAY NIGHT
Partly cloudy. Lows in the upper 50s.
TUESDAY
Partly sunny. Highs in the lower 80s.
TUESDAY NIGHT
Partly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
WEDNESDAY
Mostly sunny. Highs in the lower 80s.

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 PM EDT  8/19/2026
Thursday
20 AUG 2026
SPARTA, WI 54656 weather forecast Day 1, 0 hours 1 AM 55° 55° Clear 0%

0% Thunder
( 0% severe)
  CALM 72% 46°
Low 51° SPARTA, WI 54656 weather forecast Day 1, 3 hours 4 AM 52° 52° Clear   CALM 74% 44°
High 83° SPARTA, WI 54656 weather forecast Day 1, 6 hours 7 AM 53° 53° Clear 1%

0% Thunder
( 1% severe)
  CALM 80% 47°

Clear



SPARTA, WI 54656 weather forecast Day 1, 9 hours 10 AM 72° 72° Clear   CALM 55% 55°
SPARTA, WI 54656 weather forecast Day 1, 12 hours 1 PM 79° 80° Clear 4%

0% Thunder
( 4% severe)
SW   5 44% 55°
SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 80° 80° Partly Cloudy SSW   8 45% 57°
SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 76° 78° Partly Cloudy 32%
RAIN
***
0% Thunder
( 26% severe)
S   6 58% 60°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 66° 66° Partly Cloudy S   1 87% 62°
Friday
21 AUG 2026
SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 63° 64° Mostly Cloudy 40%
RAIN
***
0% Thunder
( 30% severe)
  CALM 93% 61°
Low 59° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 62° 63° Mostly Cloudy SSW   1 93% 60°
High 82° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 62° 63° Mostly Cloudy 5%

0% Thunder
( 15% severe)
  CALM 100% 62°

Mostly Cloudy



SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 70° 70° Mostly Cloudy WSW   3 87% 66°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 77° 79° Partly Cloudy 4%

0% Thunder
( 14% severe)
W   6 69% 66°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 79° 81° Partly Cloudy WNW   8 58% 63°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 76° 78° Partly Cloudy 2%

0% Thunder
( 6% severe)
  CALM 64% 63°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 65° 65° Partly Cloudy   CALM 90% 62°

MCCOY AAF, WI extended weather forecast

Saturday
22 AUG 2026
Sunday
23 AUG 2026
Monday
24 AUG 2026
Tuesday
25 AUG 2026
Wednesday
26 AUG 2026
Low 53° Low 40° Low 44° Low 52° Low 55°
High 82° High 77° High 73° High 81° High 80°
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
Partly Cloudy
13% Rain
Clear
Partly Cloudy
20% Rain
Partly Cloudy
46% Rain
Partly Cloudy
36% Rain
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