SPARTA, WI 54656 Weather Forecast & Current Conditions

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54656 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
MCCOY AAF, WI Current Weather
9:55 AM CDT AUG 31, 2026
Clear 82°F
Feels Like:	87°F
Dewpoint:	72°F
Rel. Hum.:	72%
Visibility:	10 miles
Wind:	Calm
Pressure:	29.83 inches
Last 72 hours
Local Area Snow Depth
Wisconsin Current Weather
Wisconsin MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

54656 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	SPARTA, WI 54656 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Partly sunny. A slight chance of showers this afternoon. Warmer with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 100 this afternoon.

TONIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the upper 60s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. Heat index values in the mid 90s early in the evening.

TUESDAY
Partly sunny. Humid with highs in the upper 80s. Southwest winds around 5 mph.

TUESDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the upper 60s. Southwest winds around 5 mph, becoming northeast after midnight. Chance of rain 50 percent.

WEDNESDAY
Mostly sunny. Highs in the mid 80s. East winds around 5 mph, becoming northeast in the afternoon.

WEDNESDAY NIGHT
Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 40 percent.

THURSDAY
Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. Highs in the mid 80s. Chance of rain 50 percent.

THURSDAY NIGHT
Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 30 percent.

FRIDAY THROUGH SUNDAY
Partly cloudy. Highs in the mid 80s. Lows in the mid 60s.

54656 WEATHER SATELLITE LOOPS

Visible Weather Satellite
SPARTA, WI 54656

Infrared Weather Satellite
SPARTA, WI 54656

54656 WEATHER RADAR LOOP

NEXRAD Weather Radar
SPARTA, WI 54656

MOS COMPUTER WEATHER FORECAST

MCCOY AAF, WI 3 hourly weather forecast

weather forecast created 8:00 PM EDT 8/30/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
31 AUG 2026

1 AM

72°

72°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 14% severe)

SSE 1

87%

68°

Low 71°

4 AM

73°

73°

Mostly Cloudy

S 3

79%

66°

High 92°

7 AM

73°

73°

Mostly Cloudy

3%

0% Thunder
( 5% severe)

S 3

81%

67°

Mostly Cloudy

10 AM

81°

84°

Partly Cloudy

SW 6

69%

70°

1 PM

87°

93°

Mostly Cloudy

8%

0% Thunder
( 19% severe)

SW 7

61%

72°

4 PM

88°

94°

Mostly Cloudy

WSW 7

57%

71°

7 PM

83°

90°

Mostly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 17% severe)

CALM

74%

74°

10 PM

75°

75°

Partly Cloudy

CALM

84%

70°

Tuesday
1 SEP 2026

1 AM

71°

71°

Partly Cloudy

21%
RAIN
***

0% Thunder
( 14% severe)

CALM

87%

67°

Low 66°

4 AM

69°

69°

Mostly Cloudy

CALM

87%

65°

High 90°

7 AM

68°

68°

Mostly Cloudy

2%

0% Thunder
( 16% severe)

CALM

93%

66°

Mostly Cloudy

10 AM

78°

80°

Partly Cloudy

CALM

74%

69°

1 PM

85°

88°

Mostly Cloudy

2%

0% Thunder
( 18% severe)

CALM

55%

67°

4 PM

87°

89°

Mostly Cloudy

CALM

48%

65°

7 PM

81°

84°

Mostly Cloudy

9%

0% Thunder
( 19% severe)

CALM

65%

68°

10 PM

73°

73°

Mostly Cloudy

CALM

76%

65°


MCCOY AAF, WI extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 59°	Low 55°	Low 54°	Low 60°	Low 56°
High 90°	High 85°	High 87°	High 84°	High 82°

Partly Cloudy 16% Rain	Mostly Cloudy 40% Rain	Mostly Cloudy 23% Rain	Mostly Cloudy 45% Rain	Partly Cloudy 17% Rain

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