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 PM CDT AUG 18, 2026
Clear 61°F
Feels Like:	61°F
Dewpoint:	61°F
Rel. Hum.:	100%
Visibility:	7 miles
Wind:	Calm
Pressure:	29.91 inches
Last 72 hours
Local Area Snow Depth
Wisconsin Current Weather
Wisconsin MOS Forecast Weather

Regional Weather Maps

(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. A chance of showers and thunderstorms this evening. Patchy fog after midnight. Lows in the mid 50s. West winds around 5 mph, becoming light winds after midnight. Chance of rain 50 percent.

WEDNESDAY
Patchy fog in the morning. Mostly sunny. Highs around 80. North winds around 5 mph, becoming light winds in the afternoon.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. 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. Southwest winds 5 to 10 mph.

THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.

FRIDAY
Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.

FRIDAY NIGHT AND SATURDAY
Partly cloudy. Lows in the upper 50s. Highs around 80.

SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.

SUNDAY THROUGH TUESDAY
Partly cloudy. Highs in the lower 80s. Lows in the upper 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 8/18/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
18 AUG 2026

1 PM

75°

75°

Mostly Cloudy

54%
RAIN
***

0% Thunder
( 37% severe)

W 3

76%

67°

High 76°

4 PM

75°

75°

Partly Cloudy

W 6

76%

67°

Mostly Cloudy

Rain Likely

7 PM

73°

73°

Mostly Cloudy

22%
RAIN
.01–.1 in

0% Thunder
( 25% severe)

CALM

79%

66°

10 PM

64°

66°

Partly Cloudy

CALM

100%

64°

Wednesday
19 AUG 2026

1 AM

60°

61°

Clear

5%

0% Thunder
( 1% severe)

CALM

96%

59°

Low 53°

4 AM

57°

58°

Partly Cloudy

CALM

90%

54°

High 80°

7 AM

56°

56°

Partly Cloudy

0%

0% Thunder
( 1% severe)

CALM

93%

54°

Partly Cloudy

10 AM

68°

68°

Partly Cloudy

CALM

70%

58°

1 PM

75°

75°

Clear

0%

0% Thunder
( 2% severe)

CALM

48%

54°

4 PM

77°

78°

Partly Cloudy

CALM

43%

53°

7 PM

73°

73°

Clear

0%

0% Thunder
( 2% severe)

CALM

55%

56°

10 PM

62°

63°

Partly Cloudy

CALM

75%

54°

Thursday
20 AUG 2026

1 AM

58°

59°

Clear

0%

0% Thunder
( 5% severe)

CALM

77%

51°

Low 52°

4 AM

55°

55°

Clear

CALM

83%

50°

High 82°

7 AM

57°

58°

Partly Cloudy

2%

0% Thunder
( 8% severe)

CALM

86%

53°

Partly Cloudy

10 AM

71°

71°

Partly Cloudy

CALM

66%

59°

1 PM

78°

79°

Partly Cloudy

7%

0% Thunder
( 24% severe)

WSW 2

52%

59°

4 PM

79°

80°

Partly Cloudy

SW 6

52%

60°

7 PM

75°

75°

Partly Cloudy

CALM

64%

62°


MCCOY AAF, WI extended weather forecast
Friday 21 AUG 2026	Saturday 22 AUG 2026	Sunday 23 AUG 2026	Monday 24 AUG 2026	Tuesday 25 AUG 2026
Low 54°	Low 53°	Low 43°	Low 50°	Low 52°
High 83°	High 81°	High 80°	High 80°	High 80°

Mostly Cloudy 52% Rain	Partly Cloudy 23% Rain	Clear 4% Rain	Partly Cloudy 18% Rain	Partly Cloudy 25% Rain

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