SPARTA, WI 54656 Weather Forecast & Current Conditions

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MCCOY AAF, WI
Current Weather

4:55 AM CDT SEP 19, 2026
Broken Clouds
59°F
Feels Like: 60°F
Dewpoint: 57°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: ESE at 3 mph
Pressure: 29.97 inches
Last 72 hours

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SPARTA, WI 54656
Weather Forecast

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Snow Depth pages
TODAY
A chance of thunderstorms. Showers. Highs in the lower 60s. East winds 5 to 10 mph. Chance of rain 90 percent.
TONIGHT
Cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.
SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s. Northeast winds 10 to 15 mph.
SUNDAY NIGHT
Mostly cloudy. Lows in the mid 40s. Northeast winds 5 to 10 mph.
MONDAY
Mostly cloudy. Highs in the mid 60s. East winds 5 to 10 mph.
MONDAY NIGHT
Mostly cloudy. Lows in the lower 40s.
TUESDAY THROUGH THURSDAY NIGHT
Partly cloudy. Highs in the mid 60s. Lows in the lower 40s.
FRIDAY
Mostly sunny. 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  9/18/2026
Saturday
19 SEP 2026
SPARTA, WI 54656 weather forecast Day 1, 0 hours 1 AM 55° 52° Mostly Cloudy 98%
RAIN
***
0% Thunder
( 47% severe)
E   9 100% 55°
Low 54° SPARTA, WI 54656 weather forecast Day 1, 3 hours 4 AM 56° 54° Mostly Cloudy E   7 100% 56°
High 69° SPARTA, WI 54656 weather forecast Day 1, 6 hours 7 AM 58° 58° Mostly Cloudy 71%
RAIN
***
0% Thunder
( 19% severe)
E   5 100% 58°

Mostly Cloudy

Rain Likely

SPARTA, WI 54656 weather forecast Day 1, 9 hours 10 AM 63° 64° Mostly Cloudy E   3 100% 63°
SPARTA, WI 54656 weather forecast Day 1, 12 hours 1 PM 65° 65° Mostly Cloudy 71%
RAIN
***
0% Thunder
( 26% severe)
E   3 100% 65°
SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 65° 65° Mostly Cloudy E   5 100% 65°
SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 64° 66° Mostly Cloudy 30%
RAIN
.1–.25 in
0% Thunder
( 8% severe)
NNE   2 100% 64°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 60° 61° Mostly Cloudy NE   2 100% 60°
Sunday
20 SEP 2026
SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 56° 56° Mostly Cloudy 6%

0% Thunder
( 2% severe)
  CALM 100% 56°
Low 49° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 53° 53° Mostly Cloudy NNE   2 100% 53°
High 70° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 51° 50° Mostly Cloudy 2%

0% Thunder
( 1% severe)
NE   5 100% 51°

Partly Cloudy



SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 59° 58° Partly Cloudy NE   8 90% 56°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 65° 65° Partly Cloudy 1%

0% Thunder
( 0% severe)
ENE   10 70% 55°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 66° 66° Partly Cloudy ENE   10 65% 54°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 61° 62° Mostly Cloudy 1%

0% Thunder
( 1% severe)
ENE   3 81% 55°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 53° 51° Mostly Cloudy ENE   6 100% 53°

MCCOY AAF, WI extended weather forecast

Monday
21 SEP 2026
Tuesday
22 SEP 2026
Wednesday
23 SEP 2026
Thursday
24 SEP 2026
Friday
25 SEP 2026
Low 45° Low 42° Low 42° Low 41° Low 45°
High 66° High 61° High 68° High 70° High 72°
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
22% Rain
Overcast
29% Rain
Partly Cloudy
21% Rain
Partly Cloudy
24% Rain
Partly Cloudy
24% Rain
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