National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

14°F

-10°C

Humidity 75%
Wind Speed Calm
Barometer 29.90 in (1014.6 mb)
Dewpoint 7°F (-14°C)
Visibility 9.00 mi
Last update 2 Jan 12:55 am CST
Extended Forecast for

5 Miles SSW Sparta WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 6. Calm wind.

    Low: 6 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 17. Wind chill values as low as -1. Calm wind becoming northwest around 5 mph.

    High: 17 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24. Calm wind.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 4. Calm wind.

    Low: 4 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 28. Calm wind becoming south around 6 mph in the afternoon.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 21. Southeast wind around 6 mph becoming calm after midnight.

    Low: 21 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 38. Calm wind.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 6. Calm wind.
Friday
Partly sunny, with a high near 17. Wind chill values as low as -1. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly cloudy, with a low around 9. Calm wind.
Saturday
Partly sunny, with a high near 24. Calm wind.
Saturday Night
Mostly clear, with a low around 4. Calm wind.
Sunday
Partly sunny, with a high near 28. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 21. Southeast wind around 6 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 38. Calm wind.
Monday Night
Mostly cloudy, with a low around 26. Calm wind.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 39. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 20. West wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 38. Southwest wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 24. Light south wind.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
11:16 pm CST Jan 1, 2026
Forecast Valid:
1am CST Jan 2, 2026-6pm CST Jan 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation