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
8:55 PM CDT MAY 17, 2026
Overcast Light Rain 54°F
Feels Like:	54°F
Dewpoint:	52°F
Rel. Hum.:	93%
Visibility:	9 miles
Wind:	Calm
Pressure:	29.75 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 2025 Hurricanes	SPARTA, WI 54656 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Cloudy with a chance of thunderstorms. A chance of showers this evening, then showers likely after midnight. Lows in the lower 50s. East winds 5 to 10 mph, becoming south 10 to 15 mph with gusts up to 30 mph after midnight. Chance of rain 60 percent.

MONDAY
Mostly cloudy with a chance of showers and thunderstorms. Warmer with highs in the upper 70s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.

MONDAY NIGHT
A chance of thunderstorms. Showers. Lows in the upper 50s. South winds 10 to 15 mph. Gusts up to 30 mph after midnight. Chance of rain 90 percent.

TUESDAY
Cooler. Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 60s. West winds 10 to 15 mph. Gusts up to 30 mph in the morning. Chance of rain 40 percent.

TUESDAY NIGHT
Much colder. Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 40s. Northwest winds 10 to 15 mph.

WEDNESDAY THROUGH THURSDAY
Partly cloudy. Highs in the mid 60s. Lows in the upper 30s.

THURSDAY NIGHT AND FRIDAY
Mostly cloudy. Lows in the lower 40s. Highs in the lower 70s.

FRIDAY NIGHT AND SATURDAY
Mostly cloudy. Lows in the upper 40s. Highs in the mid 70s.

SATURDAY NIGHT AND SUNDAY
Partly cloudy. Lows in the lower 50s. Highs in the lower 80s.

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 5/17/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
17 MAY 2026

1 PM

61°

59°

Mostly Cloudy

69%
RAIN
.1–.25 in

0% Thunder
( 37% severe)

E 13

75%

53°

High 74°

4 PM

68°

68°

Mostly Cloudy

E 13

68%

57°

Mostly Cloudy

Rain Likely

7 PM

73°

73°

Mostly Cloudy

30%
RAIN
.25–.5 in

0% Thunder
( 36% severe)

E 10

66%

61°

10 PM

69°

69°

Mostly Cloudy

ESE 7

78%

62°

Monday
18 MAY 2026

1 AM

69°

69°

Mostly Cloudy

61%
RAIN
***

0% Thunder
( 37% severe)

SSW 8

78%

62°

Low 63°

4 AM

68°

68°

Mostly Cloudy

S 10

84%

63°

High 83°

7 AM

67°

67°

Mostly Cloudy

40%
RAIN
.1–.25 in

0% Thunder
( 26% severe)

SSW 7

90%

64°

Mostly Cloudy

Chance of Rain

10 AM

72°

72°

Mostly Cloudy

SSW 9

76%

64°

1 PM

76°

78°

Mostly Cloudy

36%
RAIN
***

0% Thunder
( 31% severe)

SW 10

71%

66°

4 PM

79°

81°

Mostly Cloudy

SW 8

64%

66°

7 PM

78°

80°

Mostly Cloudy

89%
RAIN
***

0% Thunder
( 50% severe)

CALM

67%

66°

10 PM

68°

68°

Mostly Cloudy

CALM

87%

64°

Tuesday
19 MAY 2026

1 AM

67°

67°

Mostly Cloudy

94%
RAIN
***

0% Thunder
( 31% severe)

SSE 6

87%

63°

Low 55°

4 AM

65°

65°

Mostly Cloudy

SW 8

90%

62°

High 67°

7 AM

61°

59°

Mostly Cloudy

13%
RAIN
.01–.1 in

0% Thunder
( 11% severe)

WSW 12

93%

59°

Mostly Cloudy

10 AM

59°

57°

Mostly Cloudy

WNW 13

80%

53°

1 PM

60°

57°

Mostly Cloudy

0%

0% Thunder
( 2% severe)

WNW 15

64%

48°

4 PM

61°

59°

Mostly Cloudy

WNW 14

56%

45°

7 PM

58°

56°

Mostly Cloudy

WNW 12

53%

41°


MCCOY AAF, WI extended weather forecast
Wednesday 20 MAY 2026	Thursday 21 MAY 2026	Friday 22 MAY 2026	Saturday 23 MAY 2026	Sunday 24 MAY 2026
Low 35°	Low 33°	Low 43°	Low 42°	Low 44°
High 62°	High 62°	High 65°	High 63°	High 73°

Partly Cloudy 9% Rain	Mostly Cloudy 31% Rain	Overcast 71% Rain	Overcast 48% Rain	Overcast 36% Rain

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