SPARTA, WI 54656 Weather Forecast & Current Conditions
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  54656 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

MCCOY AAF, WI
Current Weather
7:55 AM CDT AUG 10, 2026
Overcast
68°F
Feels Like: 68°F
Dewpoint: 66°F
Rel. Hum.: 93%
Visibility: 9 miles
Wind: Calm
Pressure: 29.95 inches
Last 72 hours

Local Area Snow Depth

Wisconsin Current Weather

Wisconsin MOS Forecast Weather


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(Automated weather data from NWS/FAA)
  54656 WEATHER FORECAST
10-Day model forecast maps
2026 Hurricanes

SPARTA, WI 54656
Weather Forecast

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

  54656 WEATHER SATELLITE LOOPS
Visible Weather Satellite
SPARTA, WI 54656
Infrared Weather Satellite
SPARTA, WI 54656
  54656 WEATHER RADAR LOOP
NEXRAD Weather Radar
SPARTA, WI 54656
 MOS COMPUTER WEATHER FORECAST

MCCOY AAF, WI 3 hourly weather forecast
weather forecast created  8:00 PM EDT  8/ 9/2026
Monday
10 AUG 2026		 SPARTA, WI 54656 weather forecast Day 1, 0 hours 1 AM 65° 65° Partly Cloudy 3%

 0% Thunder
( 10% severe)		   CALM 100% 65°
Low 63° SPARTA, WI 54656 weather forecast Day 1, 3 hours 4 AM 64° 66° Mostly Cloudy   CALM 97% 63°
High 85° SPARTA, WI 54656 weather forecast Day 1, 6 hours 7 AM 65° 65° Mostly Cloudy 3%

 0% Thunder
( 6% severe)		   CALM 100% 65°

Mostly Cloudy



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

 0% Thunder
( 6% severe)		   CALM 65% 67°
SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 82° 84° Partly Cloudy   CALM 58% 66°
SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 80° 82° Partly Cloudy 5%

 0% Thunder
( 6% severe)		   CALM 62% 66°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 69° 69° Partly Cloudy   CALM 90% 66°
Tuesday
11 AUG 2026		 SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 65° 65° Partly Cloudy 27%
RAIN
.1–.25 in		 0% Thunder
( 16% severe)		   CALM 93% 63°
Low 62° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 64° 66° Mostly Cloudy   CALM 90% 61°
High 84° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 65° 65° Mostly Cloudy 21%
RAIN
.5–1 in		 0% Thunder
( 11% severe)		   CALM 97% 64°

Mostly Cloudy

Chance of Rain

 SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 73° 73° Mostly Cloudy   CALM 87% 69°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 79° 82° Mostly Cloudy 7%

 0% Thunder
( 13% severe)		   CALM 72% 69°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 81° 84° Partly Cloudy   CALM 67% 69°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 79° 82° Mostly Cloudy 21%
RAIN
.1–.25 in		 0% Thunder
( 14% severe)		   CALM 72% 69°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 70° 70° Partly Cloudy   CALM 97% 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 56° Low 55° Low 50° Low 53° Low 59°
High 82° High 80° High 78° High 76° 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
42% Rain		 Partly Cloudy
34% Rain		 Partly Cloudy
18% Rain		 Overcast
57% Rain		 Mostly Cloudy
32% Rain
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