SPARTA, WI 54656 Weather Forecast & Current Conditions

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MCCOY AAF, WI
Current Weather

10:55 AM CDT SEP 17, 2026
Overcast
63°F
Feels Like: 63°F
Dewpoint: 59°F
Rel. Hum.: 87%
Visibility: 9 miles
Wind: Calm
Pressure: 30.26 inches
Last 72 hours

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SPARTA, WI 54656
Weather Forecast

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REST OF TODAY
Mostly cloudy. A chance of sprinkles late this morning. Highs in the lower 70s. East winds around 5 mph.
TONIGHT
Mostly cloudy. Lows in the lower 50s. Light winds.
FRIDAY
Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 60s. East winds 10 to 15 mph. Chance of rain 70 percent.
FRIDAY NIGHT
A chance of thunderstorms. Showers. Locally heavy rainfall possible after midnight. Lows in the mid 50s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 100 percent.
SATURDAY
Showers in the morning, then showers likely in the afternoon. Highs around 70. East winds 5 to 10 mph. Chance of rain 100 percent.
SATURDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the lower 50s.
SUNDAY AND SUNDAY NIGHT
Mostly cloudy. Highs in the mid 60s. Lows in the upper 40s.
MONDAY
Mostly cloudy with a 40 percent chance of rain showers. Highs in the lower 60s.
MONDAY NIGHT AND TUESDAY
Mostly cloudy. Lows in the mid 40s. Highs in the mid 60s.
TUESDAY NIGHT AND WEDNESDAY
Partly cloudy. Lows in the mid 40s. Highs in the lower 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 PM EDT  9/16/2026
Thursday
17 SEP 2026
SPARTA, WI 54656 weather forecast Day 1, 0 hours 1 AM 55° 55° Mostly Cloudy 61%
RAIN
>2 in
0% Thunder
( 19% severe)
  CALM 100% 55°
Low 53° SPARTA, WI 54656 weather forecast Day 1, 3 hours 4 AM 54° 54° Mostly Cloudy   CALM 100% 54°
High 76° SPARTA, WI 54656 weather forecast Day 1, 6 hours 7 AM 54° 54° Mostly Cloudy 18%
RAIN
.01–.1 in
0% Thunder
( 3% severe)
  CALM 100% 54°

Mostly Cloudy



SPARTA, WI 54656 weather forecast Day 1, 9 hours 10 AM 61° 62° Mostly Cloudy   CALM 93% 59°
SPARTA, WI 54656 weather forecast Day 1, 12 hours 1 PM 67° 67° Mostly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 78% 60°
SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 70° 70° Mostly Cloudy   CALM 73% 61°
SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 67° 67° Mostly Cloudy 0%

0% Thunder
( 2% severe)
  CALM 84% 62°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 57° 58° Partly Cloudy   CALM 100% 57°
Friday
18 SEP 2026
SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 53° 53° Partly Cloudy 2%

0% Thunder
( 1% severe)
  CALM 100% 53°
Low 50° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 51° 51° Mostly Cloudy   CALM 100% 51°
High 69° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 52° 52° Mostly Cloudy 32%
RAIN
1–2 in
0% Thunder
( 2% severe)
  CALM 93% 50°

Mostly Cloudy

Rain Likely

SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 59° 60° Mostly Cloudy E   3 96% 58°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 62° 61° Mostly Cloudy 81%
RAIN
***
0% Thunder
( 17% severe)
E   9 90% 59°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 62° 61° Mostly Cloudy E   10 100% 62°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 63° 62° Mostly Cloudy 92%
RAIN
***
0% Thunder
( 30% severe)
E   12 100% 63°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 59° 56° Mostly Cloudy E   14 100% 59°

MCCOY AAF, WI extended weather forecast

Saturday
19 SEP 2026
Sunday
20 SEP 2026
Monday
21 SEP 2026
Tuesday
22 SEP 2026
Wednesday
23 SEP 2026
Low 53° Low 51° Low 46° Low 47° Low 41°
High 59° High 62° High 58° High 64° High 70°
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
Overcast
84% Rain
Overcast
52% Rain
Overcast
64% Rain
Overcast
45% Rain
Partly Cloudy
24% Rain
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