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
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)

54656 WEATHER FORECAST
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.

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 9/17/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
18 SEP 2026

1 AM

54°

54°

Partly Cloudy

1%

0% Thunder
( 1% severe)

CALM

100%

54°

Low 51°

4 AM

52°

52°

Mostly Cloudy

CALM

100%

52°

High 66°

7 AM

53°

53°

Mostly Cloudy

25%
RAIN
.1–.25 in

0% Thunder
( 1% severe)

CALM

100%

53°

Mostly Cloudy

Rain Likely

10 AM

61°

62°

Mostly Cloudy

E 3

97%

60°

1 PM

63°

63°

Mostly Cloudy

84%
RAIN
***

0% Thunder
( 17% severe)

ESE 8

87%

59°

4 PM

63°

62°

Mostly Cloudy

E 9

90%

60°

7 PM

60°

58°

Mostly Cloudy

92%
RAIN
***

0% Thunder
( 27% severe)

E 12

100%

60°

10 PM

56°

53°

Mostly Cloudy

E 13

100%

56°

Saturday
19 SEP 2026

1 AM

55°

52°

Mostly Cloudy

96%
RAIN
***

0% Thunder
( 34% severe)

E 9

100%

55°

Low 49°

4 AM

56°

53°

Mostly Cloudy

E 10

100%

56°

High 66°

7 AM

58°

56°

Overcast

52%
RAIN
***

0% Thunder
( 9% severe)

E 8

100%

58°

Mostly Cloudy

Rain Likely

10 AM

62°

62°

Mostly Cloudy

E 7

100%

62°

1 PM

64°

64°

Mostly Cloudy

43%
RAIN
>2 in

0% Thunder
( 7% severe)

E 7

100%

64°

4 PM

64°

64°

Mostly Cloudy

ENE 7

97%

63°

7 PM

61°

61°

Mostly Cloudy

44%
RAIN
***

0% Thunder
( 5% severe)

ENE 5

100%

61°

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°

Overcast 57% Rain	Overcast 36% Rain	Mostly Cloudy 30% Rain	Clear 18% Rain	Clear 13% Rain

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