SPARTA, WI 54656 Weather Forecast & Current Conditions

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MCCOY AAF, WI
Current Weather

2:55 PM CDT SEP 18, 2026
Broken Clouds
Light Rain
Mist
61°F
Feels Like: 61°F
Dewpoint: 59°F
Rel. Hum.: 93%
Visibility: 4 miles
Wind: E at 6 mph
Pressure: 30.18 inches
Last 72 hours

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SPARTA, WI 54656
Weather Forecast

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Snow Depth pages
THIS AFTERNOON
Showers likely with a slight chance of thunderstorms. Near steady temperature in the lower 60s. East winds 5 to 10 mph. Chance of rain 70 percent.
TONIGHT
A chance of thunderstorms. Showers. Some thunderstorms may produce heavy rainfall. Lows in the lower 50s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.
SATURDAY
Showers likely. Highs in the upper 60s. East winds 5 to 10 mph. Chance of rain 70 percent.
SATURDAY NIGHT
Cloudy. Showers likely in the evening. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.
SUNDAY
Partly sunny. Highs in the upper 60s. Northeast winds 10 to 15 mph.
SUNDAY NIGHT THROUGH MONDAY NIGHT
Mostly cloudy. Lows in the mid 40s. Highs in the mid 60s.
TUESDAY THROUGH WEDNESDAY NIGHT
Partly cloudy. Highs in the mid 60s. Lows in the mid 40s.
THURSDAY
Partly sunny. Highs in the upper 60s.

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  9/18/2026
Friday
18 SEP 2026
SPARTA, WI 54656 weather forecast Day 1, 12 hours 1 PM 64° 64° Mostly Cloudy 90%
RAIN
***
0% Thunder
( 21% severe)
E   9 90% 61°
High 65° SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 63° 62° Mostly Cloudy E   9 97% 62°
Mostly Cloudy

Rain Likely

SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 62° 61° Mostly Cloudy 88%
RAIN
***
0% Thunder
( 38% severe)
E   12 100% 62°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 57° 54° Mostly Cloudy E   13 100% 57°
Saturday
19 SEP 2026
SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 55° 52° Mostly Cloudy 91%
RAIN
***
0% Thunder
( 42% severe)
E   10 100% 55°
Low 51° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 57° 55° Mostly Cloudy E   10 100% 57°
High 69° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 59° 57° Mostly Cloudy 57%
RAIN
.5–1 in
0% Thunder
( 15% severe)
E   9 100% 59°

Mostly Cloudy

Rain Likely

SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 63° 63° Mostly Cloudy E   6 100% 63°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 65° 65° Mostly Cloudy 42%
RAIN
.25–.5 in
0% Thunder
( 25% severe)
E   7 100% 65°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 64° 64° Mostly Cloudy ENE   7 100% 64°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 63° 63° Mostly Cloudy 24%
RAIN
.1–.25 in
0% Thunder
( 11% severe)
NE   6 100% 63°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 59° 59° Mostly Cloudy NE   5 100% 59°
Sunday
20 SEP 2026
SPARTA, WI 54656 weather forecast Day 3, 0 hours 1 AM 56° 56° Mostly Cloudy 15%
RAIN
.25–.5 in
0% Thunder
( 4% severe)
  CALM 100% 56°
Low 49° SPARTA, WI 54656 weather forecast Day 3, 3 hours 4 AM 54° 54° Mostly Cloudy NE   3 100% 54°
High 70° SPARTA, WI 54656 weather forecast Day 3, 6 hours 7 AM 53° 51° Mostly Cloudy 25%
RAIN
>2 in
0% Thunder
( 1% severe)
NE   6 96% 52°

Mostly Cloudy

Chance of Rain

SPARTA, WI 54656 weather forecast Day 3, 9 hours 10 AM 59° 57° Mostly Cloudy NE   9 96% 58°
SPARTA, WI 54656 weather forecast Day 3, 15 hours 1 PM 64° 63° Mostly Cloudy 6%

0% Thunder
( 0% severe)
ENE   12 75% 56°
SPARTA, WI 54656 weather forecast Day 3, 18 hours 4 PM 66° 66° Mostly Cloudy ENE   10 68% 55°
SPARTA, WI 54656 weather forecast Day 3, 21 hours 7 PM 62° 62° Mostly Cloudy     ENE   7 81% 56°

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 49° Low 42° Low 39° Low 42° Low 43°
High 61° High 63° High 68° High 70° High 67°
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
Overcast
36% Rain
Mostly Cloudy
30% Rain
Clear
18% Rain
Clear
13% Rain
Clear
15% Rain
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