SPARTA, WI 54656 Weather Forecast & Current Conditions

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MCCOY AAF, WI
Current Weather

2:55 PM CDT AUG 14, 2026
Few Clouds
81°F
Feels Like: 84°F
Dewpoint: 68°F
Rel. Hum.: 65%
Visibility: 10 miles
Wind: ESE at 5 mph
Pressure: 30.09 inches
Last 72 hours

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SPARTA, WI 54656
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly cloudy. Highs in the lower 80s. East winds 5 to 10 mph.
TONIGHT
Cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 60s. East winds 5 to 10 mph. Chance of rain 40 percent.
SATURDAY
Mostly cloudy. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
SATURDAY NIGHT
Mostly cloudy. Showers likely and a chance of thunderstorms in the evening. Lows in the mid 60s. Light winds. Chance of rain 40 percent.
SUNDAY
Mostly sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph.
SUNDAY NIGHT AND MONDAY
Mostly clear. Lows in the mid 50s. Highs in the lower 80s.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.
TUESDAY NIGHT
Showers and a chance of thunderstorms. Lows around 60. Chance of rain 80 percent.
WEDNESDAY
Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. Highs in the upper 70s. Chance of rain 30 percent.
WEDNESDAY NIGHT AND THURSDAY
Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.

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  8/14/2026
Friday
14 AUG 2026
SPARTA, WI 54656 weather forecast Day 1, 12 hours 1 PM 78° 80° Partly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 3% severe)
E   10 67% 66°
High 80° SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 79° 81° Mostly Cloudy ESE   9 64% 66°
Mostly Cloudy

Chance of Rain

SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 75° 75° Mostly Cloudy 32%
RAIN
.1–.25 in
0% Thunder
( 14% severe)
ESE   5 74% 66°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 69° 69° Mostly Cloudy ESE   7 84% 64°
Saturday
15 AUG 2026
SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 65° 65° Mostly Cloudy 44%
RAIN
***
0% Thunder
( 27% severe)
ESE   3 81% 59°
Low 60° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 63° 64° Mostly Cloudy E   5 81% 57°
High 82° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 64° 66° Mostly Cloudy 25%
RAIN
1–2 in
0% Thunder
( 10% severe)
E   2 90% 61°

Mostly Cloudy

Chance of Rain

SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 70° 70° Mostly Cloudy E   1 90% 67°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 76° 76° Mostly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 16% severe)
SE   2 87% 72°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 78° 80° Mostly Cloudy   CALM 85% 73°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 77° 78° Mostly Cloudy 37%
RAIN
1–2 in
0% Thunder
( 29% severe)
  CALM 85% 72°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 72° 72° Mostly Cloudy   CALM 100% 72°
Sunday
16 AUG 2026
SPARTA, WI 54656 weather forecast Day 3, 0 hours 1 AM 70° 70° Mostly Cloudy 26%
RAIN
<.01 in
0% Thunder
( 10% severe)
  CALM 100% 70°
Low 65° SPARTA, WI 54656 weather forecast Day 3, 3 hours 4 AM 69° 69° Mostly Cloudy   CALM 97% 68°
High 82° SPARTA, WI 54656 weather forecast Day 3, 6 hours 7 AM 69° 69° Mostly Cloudy 4%

0% Thunder
( 3% severe)
  CALM 100% 69°

Mostly Cloudy



SPARTA, WI 54656 weather forecast Day 3, 9 hours 10 AM 72° 72° Mostly Cloudy NW   6 93% 70°
SPARTA, WI 54656 weather forecast Day 3, 15 hours 1 PM 77° 79° Partly Cloudy 4%

0% Thunder
( 5% severe)
NW   9 74% 68°
SPARTA, WI 54656 weather forecast Day 3, 18 hours 4 PM 79° 81° Partly Cloudy NW   10 64% 66°
SPARTA, WI 54656 weather forecast Day 3, 21 hours 7 PM 76° 78° Clear       CALM 66% 64°

MCCOY AAF, WI extended weather forecast

Monday
17 AUG 2026
Tuesday
18 AUG 2026
Wednesday
19 AUG 2026
Thursday
20 AUG 2026
Friday
21 AUG 2026
Low 46° Low 57° Low 50° Low 51° Low 51°
High 84° High 76° High 80° High 79° High 80°
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
Partly Cloudy
8% Rain
Overcast
65% Rain
Partly Cloudy
39% Rain
Partly Cloudy
42% Rain
Partly Cloudy
32% Rain
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