Winter Storm and Cold for the Weekend

A prolonged period of moderate snow affects the region from Friday night through early Sunday morning, potentially resulting in hazardous road conditions. Portions of northeast Iowa into southwest Wisconsin could see snowfall amounts of 9-12+". Colder air arrives for Sunday through Tuesday with overnight wind chills in the single digits to teens below zero. Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

26°F

-3°C

Humidity 66%
Wind Speed NW 10 mph
Barometer 30.21 in (1024.5 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 27 Nov 3:55 am CST
Extended Forecast for

2 Miles N Ontario WI

Winter Storm Watch November 29, 12:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Watch
  • Overnight

    Overnight: Isolated flurries.  Mostly cloudy, with a steady temperature around 22. Northwest wind around 15 mph, with gusts as high as 31 mph.

    Low: 22 °F

    Isolated
    Flurries

  • Thanksgiving Day

    Thanksgiving Day: Isolated flurries before 11am, then a chance of snow, mainly after 2pm.  Mostly cloudy, with a high near 27. Blustery, with a northwest wind 13 to 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    High: 27 °F

    Chance Snow
    and Blustery

  • Thursday Night

    Thursday Night: A slight chance of snow before 8pm, then isolated flurries between 8pm and midnight.  Mostly cloudy, with a low around 15. Northwest wind 6 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28. Northwest wind around 6 mph becoming calm  in the afternoon.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly after midnight.  Mostly cloudy, with a low around 14. Calm wind.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 14 °F

    Slight Chance
    Snow then
    Snow Likely

  • Saturday

    Saturday: Snow.  High near 28. Calm wind becoming east 5 to 8 mph in the morning.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 28 °F

    Snow

  • Saturday Night

    Saturday Night: Snow.  Low around 16. Northeast wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 90%.

    Low: 16 °F

    Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon.  Partly sunny, with a high near 24. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 24 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 0. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 0 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Isolated flurries. Mostly cloudy, with a steady temperature around 22. Northwest wind around 15 mph, with gusts as high as 31 mph.
Thanksgiving Day
Isolated flurries before 11am, then a chance of snow, mainly after 2pm. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of snow before 8pm, then isolated flurries between 8pm and midnight. Mostly cloudy, with a low around 15. Northwest wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 28. Northwest wind around 6 mph becoming calm in the afternoon.
Friday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 14. Calm wind. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday
Snow. High near 28. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow. Low around 16. Northeast wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Sunday
A 20 percent chance of snow before noon. Partly sunny, with a high near 24. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 0. Northwest wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 18. Calm wind becoming southwest around 5 mph.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 1. Calm wind.
Tuesday
Partly sunny, with a high near 22. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 7. Light southwest wind.
Wednesday
Mostly cloudy, with a high near 28. Southwest wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Ontario WI
 43.75°N 90.58°W
3:16 am CST Nov 27, 2025
4am CST Nov 27, 2025-6pm CST Dec 3, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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