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 17, 2026
Clear 72°F
Feels Like:	72°F
Dewpoint:	64°F
Rel. Hum.:	76%
Visibility:	10 miles
Wind:	Calm
Pressure:	30.06 inches
Last 72 hours
Local Area Snow Depth
Wisconsin Current Weather
Wisconsin MOS Forecast Weather

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(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

TONIGHT
Partly cloudy this evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

TUESDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. West winds 5 to 10 mph. Chance of rain 60 percent.

TUESDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 30 percent.

WEDNESDAY
Mostly sunny. Highs in the upper 70s. Light and variable winds, becoming northwest around 5 mph in the afternoon.

WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable.

THURSDAY
Mostly sunny. Highs in the lower 80s.

THURSDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 50 percent.

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

FRIDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 50 percent.

SATURDAY THROUGH MONDAY
Partly cloudy. Highs in the upper 70s. Lows in the mid 50s.

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 AM EDT 8/17/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
17 AUG 2026

1 PM

77°

79°

Clear

1%

0% Thunder
( 3% severe)

WNW 5

52%

58°

High 81°

4 PM

80°

81°

Clear

W 5

47%

58°

Increasing Clouds

7 PM

77°

79°

Partly Cloudy

5%

0% Thunder
( 5% severe)

CALM

56%

60°

10 PM

67°

67°

Mostly Cloudy

CALM

78%

60°

Tuesday
18 AUG 2026

1 AM

64°

66°

Partly Cloudy

21%
RAIN
.1–.25 in

0% Thunder
( 18% severe)

CALM

84%

59°

Low 60°

4 AM

63°

64°

Mostly Cloudy

CALM

87%

59°

High 79°

7 AM

64°

66°

Partly Cloudy

20%
RAIN
<.01 in

0% Thunder
( 17% severe)

CALM

93%

62°

Mostly Cloudy

Chance of Rain

10 AM

70°

70°

Mostly Cloudy

W 2

87%

66°

1 PM

74°

74°

Mostly Cloudy

50%
RAIN
***

0% Thunder
( 37% severe)

W 5

79%

67°

4 PM

74°

74°

Partly Cloudy

W 3

76%

66°

7 PM

72°

72°

Partly Cloudy

17%
RAIN
.01–.1 in

0% Thunder
( 25% severe)

CALM

79%

65°

10 PM

63°

64°

Partly Cloudy

CALM

100%

63°

Wednesday
19 AUG 2026

1 AM

59°

60°

Clear

2%

0% Thunder
( 3% severe)

CALM

100%

59°

Low 53°

4 AM

56°

56°

Partly Cloudy

CALM

96%

55°

High 79°

7 AM

56°

56°

Mostly Cloudy

1%

0% Thunder
( 1% severe)

CALM

96%

55°

Partly Cloudy

10 AM

67°

67°

Partly Cloudy

CALM

75%

59°

1 PM

74°

74°

Partly Cloudy

1%

0% Thunder
( 3% severe)

CALM

51%

55°

4 PM

76°

78°

Partly Cloudy

CALM

45%

53°

7 PM

73°

73°

Partly Cloudy

CALM

55%

56°


MCCOY AAF, WI extended weather forecast
Thursday 20 AUG 2026	Friday 21 AUG 2026	Saturday 22 AUG 2026	Sunday 23 AUG 2026	Monday 24 AUG 2026
Low 46°	Low 52°	Low 49°	Low 45°	Low 49°
High 82°	High 84°	High 80°	High 75°	High 79°

Partly Cloudy 26% Rain	Mostly Cloudy 34% Rain	Partly Cloudy 42% Rain	Clear 10% Rain	Partly Cloudy 28% Rain

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