ONTARIO, WI 54651 Weather Forecast & Current Conditions
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  54651 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

MCCOY AAF, WI
Current Weather
6:55 AM CDT MAY 13, 2025
Clear
52°F
Feels Like: 52°F
Dewpoint: 48°F
Rel. Hum.: 86%
Visibility: 9 miles
Wind: Calm
Pressure: 29.84 inches
Last 72 hours

Local Area Snow Depth

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(Automated weather data from NWS/FAA)
  54651 WEATHER FORECAST
10-Day model forecast maps
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ONTARIO, WI 54651
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Partly sunny. Isolated showers and thunderstorms this afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.
TONIGHT
Partly cloudy. Isolated showers and thunderstorms in the evening. Lows in the upper 50s. Southeast winds around 5 mph. Chance of rain 20 percent.
WEDNESDAY
Mostly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 30 percent.
WEDNESDAY NIGHT
Partly cloudy. Lows in the lower 60s. Southeast winds 5 to 10 mph.
THURSDAY
Mostly sunny. Showers likely and a chance of thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
THURSDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Chance of rain 30 percent.
FRIDAY
Cooler. Mostly sunny with a 50 percent chance of showers. Highs in the lower 70s.
FRIDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 40s. Chance of rain 50 percent.
SATURDAY
Partly sunny. Highs in the mid 60s.
SATURDAY NIGHT THROUGH MONDAY
Partly cloudy. Lows in the lower 40s. Highs in the upper 60s.

  54651 WEATHER SATELLITE LOOPS
Visible Weather Satellite
ONTARIO, WI 54651
Infrared Weather Satellite
ONTARIO, WI 54651
  54651 WEATHER RADAR LOOP
NEXRAD Weather Radar
ONTARIO, WI 54651
 MOS COMPUTER WEATHER FORECAST

MCCOY AAF, WI 3 hourly weather forecast
weather forecast created  8:00 PM EDT  5/12/2025
Tuesday
13 MAY 2025		 ONTARIO, WI 54651 weather forecast Day 1, 0 hours 1 AM 58° 59° Clear 2%

 0% Thunder
( 1% severe)		   CALM 69% 48°
Low 53° ONTARIO, WI 54651 weather forecast Day 1, 3 hours 4 AM 54° 54° Partly Cloudy   CALM 80% 48°
High 82° ONTARIO, WI 54651 weather forecast Day 1, 6 hours 7 AM 58° 59° Partly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 11% severe)		   CALM 75% 50°

Mostly Cloudy

Rain Likely

 ONTARIO, WI 54651 weather forecast Day 1, 9 hours 10 AM 73° 73° Partly Cloudy   CALM 59% 58°
ONTARIO, WI 54651 weather forecast Day 1, 12 hours 1 PM 79° 80° Mostly Cloudy 53%
RAIN
.1–.25 in		 0% Thunder
( 38% severe)		 SE   3 49% 58°
ONTARIO, WI 54651 weather forecast Day 1, 15 hours 4 PM 79° 80° Mostly Cloudy SE   3 49% 58°
ONTARIO, WI 54651 weather forecast Day 1, 18 hours 7 PM 77° 79° Mostly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 17% severe)		 ESE   1 52% 58°
ONTARIO, WI 54651 weather forecast Day 1, 21 hours 10 PM 64° 66° Partly Cloudy   CALM 81% 58°
Wednesday
14 MAY 2025		 ONTARIO, WI 54651 weather forecast Day 2, 0 hours 1 AM 60° 61° Partly Cloudy 9%

 0% Thunder
( 3% severe)		   CALM 93% 58°
Low 55° ONTARIO, WI 54651 weather forecast Day 2, 3 hours 4 AM 59° 60° Partly Cloudy   CALM 90% 56°
High 83° ONTARIO, WI 54651 weather forecast Day 2, 6 hours 7 AM 61° 62° Mostly Cloudy 5%

 0% Thunder
( 10% severe)		   CALM 87% 57°

Partly Cloudy

Chance of Rain

 ONTARIO, WI 54651 weather forecast Day 2, 9 hours 10 AM 72° 72° Partly Cloudy   CALM 66% 60°
ONTARIO, WI 54651 weather forecast Day 2, 12 hours 1 PM 79° 80° Partly Cloudy 30%
RAIN
<.01 in		 0% Thunder
( 26% severe)		 SE   5 50% 59°
ONTARIO, WI 54651 weather forecast Day 2, 15 hours 4 PM 81° 81° Partly Cloudy SE   5 46% 58°
ONTARIO, WI 54651 weather forecast Day 2, 18 hours 7 PM 80° 81° Partly Cloudy 3%

 0% Thunder
( 15% severe)		 SE   2 47% 58°
ONTARIO, WI 54651 weather forecast Day 2, 21 hours 10 PM 67° 67° Partly Cloudy ESE   1 73% 58°

MCCOY AAF, WI extended weather forecast
Thursday
15 MAY 2025		 Friday
16 MAY 2025		 Saturday
17 MAY 2025		 Sunday
18 MAY 2025		 Monday
19 MAY 2025
Low 56° Low 41° Low 44° Low 42° Low 41°
High 78° High 72° High 62° High 68° High 67°
ONTARIO, WI 54651 weather forecast Day 3 ONTARIO, WI 54651 weather forecast Day 4 ONTARIO, WI 54651 weather forecast Day 5 ONTARIO, WI 54651 weather forecast Day 6 ONTARIO, WI 54651 weather forecast Day 7
Overcast
65% Rain		 Partly Cloudy
52% Rain		 Mostly Cloudy
41% Rain		 Partly Cloudy
19% Rain		 Mostly Cloudy
23% Rain
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