SPARTA, WI 54656 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


MCCOY AAF, WI
Current Weather

2:55 AM CDT SEP 18, 2026
Overcast
61°F
Feels Like: 61°F
Dewpoint: 59°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: Calm
Pressure: 30.27 inches
Last 72 hours

Local Area Snow Depth

Wisconsin Current Weather

Wisconsin MOS Forecast Weather


Weather Map


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2026 Hurricanes

SPARTA, WI 54656
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Patchy fog this morning. Showers likely this morning, then showers with a slight chance of thunderstorms this afternoon. Highs in the mid 60s. East winds 5 to 10 mph. Chance of rain 100 percent.
TONIGHT
Showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible. Lows in the mid 50s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 100 percent.
SATURDAY
Showers likely. Highs in the mid 60s. East winds 10 to 15 mph. Chance of rain 70 percent.
SATURDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s. Northeast winds 5 to 10 mph.
SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 60s. Northeast winds 10 to 15 mph.
SUNDAY NIGHT AND MONDAY
Mostly cloudy with a 30 percent chance of rain showers. Lows in the mid 40s. Highs in the lower 60s.
MONDAY NIGHT AND TUESDAY
Mostly cloudy. Lows in the lower 40s. Highs in the lower 60s.
TUESDAY NIGHT THROUGH THURSDAY
Partly cloudy. Lows in the lower 40s. 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 PM EDT  9/17/2026
Friday
18 SEP 2026
SPARTA, WI 54656 weather forecast Day 1, 0 hours 1 AM 54° 54° Partly Cloudy 1%

0% Thunder
( 1% severe)
  CALM 100% 54°
Low 51° SPARTA, WI 54656 weather forecast Day 1, 3 hours 4 AM 52° 52° Mostly Cloudy   CALM 100% 52°
High 66° SPARTA, WI 54656 weather forecast Day 1, 6 hours 7 AM 53° 53° Mostly Cloudy 25%
RAIN
.1–.25 in
0% Thunder
( 1% severe)
  CALM 100% 53°

Mostly Cloudy

Rain Likely

SPARTA, WI 54656 weather forecast Day 1, 9 hours 10 AM 61° 62° Mostly Cloudy E   3 97% 60°
SPARTA, WI 54656 weather forecast Day 1, 12 hours 1 PM 63° 63° Mostly Cloudy 84%
RAIN
***
0% Thunder
( 17% severe)
ESE   8 87% 59°
SPARTA, WI 54656 weather forecast Day 1, 15 hours 4 PM 63° 62° Mostly Cloudy E   9 90% 60°
SPARTA, WI 54656 weather forecast Day 1, 18 hours 7 PM 60° 58° Mostly Cloudy 92%
RAIN
***
0% Thunder
( 27% severe)
E   12 100% 60°
SPARTA, WI 54656 weather forecast Day 1, 21 hours 10 PM 56° 53° Mostly Cloudy E   13 100% 56°
Saturday
19 SEP 2026
SPARTA, WI 54656 weather forecast Day 2, 0 hours 1 AM 55° 52° Mostly Cloudy 96%
RAIN
***
0% Thunder
( 34% severe)
E   9 100% 55°
Low 49° SPARTA, WI 54656 weather forecast Day 2, 3 hours 4 AM 56° 53° Mostly Cloudy E   10 100% 56°
High 66° SPARTA, WI 54656 weather forecast Day 2, 6 hours 7 AM 58° 56° Overcast 52%
RAIN
***
0% Thunder
( 9% severe)
E   8 100% 58°

Mostly Cloudy

Rain Likely

SPARTA, WI 54656 weather forecast Day 2, 9 hours 10 AM 62° 62° Mostly Cloudy E   7 100% 62°
SPARTA, WI 54656 weather forecast Day 2, 12 hours 1 PM 64° 64° Mostly Cloudy 43%
RAIN
>2 in
0% Thunder
( 7% severe)
E   7 100% 64°
SPARTA, WI 54656 weather forecast Day 2, 15 hours 4 PM 64° 64° Mostly Cloudy ENE   7 97% 63°
SPARTA, WI 54656 weather forecast Day 2, 18 hours 7 PM 61° 61° Mostly Cloudy 44%
RAIN
***
0% Thunder
( 5% severe)
ENE   5 100% 61°
SPARTA, WI 54656 weather forecast Day 2, 21 hours 10 PM 59° 59° Mostly Cloudy ENE   5 100% 59°

MCCOY AAF, WI extended weather forecast

Sunday
20 SEP 2026
Monday
21 SEP 2026
Tuesday
22 SEP 2026
Wednesday
23 SEP 2026
Thursday
24 SEP 2026
Low 54° Low 49° Low 42° Low 39° Low 42°
High 66° High 61° High 63° High 68° 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
57% Rain
Overcast
36% Rain
Mostly Cloudy
30% Rain
Clear
18% Rain
Clear
13% Rain
SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
Sparta, WI
Sparta, WI snow
Sparta, WI radar
WI map
-or-
-or-
-or-
 
54656
54656 snow
54656 radar
 
-or-
-or-
 
 
WI
WI snow
 
 
Copyright © 2026 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions