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
9:55 AM CDT AUG 1, 2026
Clear
70°F
Feels Like: 70°F
Dewpoint: 64°F
Rel. Hum.: 81%
Visibility: 10 miles
Wind: Calm
Pressure: 29.92 inches
Last 72 hours

Local Area Snow Depth

Wisconsin Current Weather

Wisconsin MOS Forecast Weather


Weather Map

(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
Mostly cloudy with a chance of showers this morning, then mostly sunny with isolated showers this afternoon. Highs in the lower 80s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.
TONIGHT
Partly cloudy. Isolated showers in the evening. Lows in the upper 50s. Light winds. Chance of rain 20 percent.
SUNDAY
Mostly sunny. Highs around 80. Northeast winds around 5 mph.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s. East winds around 5 mph in the evening, becoming light and variable.
MONDAY
Sunny. Highs in the lower 80s. Light winds.
MONDAY NIGHT AND TUESDAY
Partly cloudy. Lows in the upper 50s. Highs in the lower 80s.
TUESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows around 60. Chance of rain 50 percent.
WEDNESDAY
Partly sunny. Highs in the upper 70s.
WEDNESDAY NIGHT
Partly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 30 percent.
THURSDAY THROUGH FRIDAY
Partly cloudy. Highs in the lower 80s. Lows in the upper 50s.

  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  7/31/2026
Saturday
1 AUG 2026		 SPARTA, WI 54656 weather forecast Day 1, 0 hours 1 AM 62° 61° Mostly Cloudy 79%
RAIN
***		 0% Thunder
( 5% severe)		 NE   10 100% 62°
Low 60° SPARTA, WI 54656 weather forecast Day 1, 3 hours 4 AM 61° 60° Mostly Cloudy NE   9 100% 61°
High 80° SPARTA, WI 54656 weather forecast Day 1, 6 hours 7 AM 62° 62° Mostly Cloudy 20%
RAIN
.1–.25 in		 0% Thunder
( 4% severe)		 NE   6 100% 62°

Mostly Cloudy

Chance of Rain

 SPARTA, WI 54656 weather forecast Day 1, 9 hours 10 AM 68° 68° Mostly Cloudy NE   7 90% 65°
SPARTA, WI 54656 weather forecast Day 1, 12 hours 1 PM 75° 75° Partly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 22% severe)		 NNE   9 71% 65°
SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 78° 80° Partly Cloudy NNE   8 64% 65°
SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 76° 78° Partly Cloudy 5%

 0% Thunder
( 10% severe)		   CALM 71% 66°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 67° 67° Partly Cloudy   CALM 97% 66°
Sunday
2 AUG 2026		 SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 63° 64° Partly Cloudy 0%

 0% Thunder
( 2% severe)		   CALM 97% 62°
Low 55° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 60° 61° Partly Cloudy   CALM 96% 59°
High 80° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 60° 61° Partly Cloudy 0%

 0% Thunder
( 2% severe)		   CALM 96% 59°

Partly Cloudy



 SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 68° 68° Partly Cloudy   CALM 78% 61°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 74° 74° Partly Cloudy 0%

 0% Thunder
( 4% severe)		 NE   3 66% 62°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 77° 79° Partly Cloudy   CALM 58% 61°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 76° 78° Partly Cloudy 0%

 0% Thunder
( 2% severe)		   CALM 64% 63°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 64° 66° Clear   CALM 93% 62°

MCCOY AAF, WI extended weather forecast
Monday
3 AUG 2026		 Tuesday
4 AUG 2026		 Wednesday
5 AUG 2026		 Thursday
6 AUG 2026		 Friday
7 AUG 2026
Low 47° Low 55° Low 56° Low 54° Low 55°
High 83° High 84° High 74° High 79° High 83°
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
Clear
2% Rain		 Mostly Cloudy
32% Rain		 Overcast
70% Rain		 Overcast
65% Rain		 Partly Cloudy
30% Rain
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