High Impact Winter Storm This Weekend

A high impact winter storm is expected Saturday night through Monday morning which could bring heavy snow, freezing rain, and blizzard conditions. Monitor the forecast for the latest updates and make appropriate preparations! Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Mostly Cloudy and Breezy

39°F

4°C

Humidity 48%
Wind Speed NW 21 G 30 mph
Barometer 29.74 in (1008.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 13 Mar 1:55 pm CDT
Extended Forecast for

Sparta WI

Winter Storm Warning March 14, 07:00pm until March 16, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Blustery, with a northwest wind 11 to 16 mph becoming light and variable  in the evening. Winds could gust as high as 28 mph.

    Low: 23 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 3pm.  Mostly cloudy, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow, possibly mixed with sleet before 1am, then snow and sleet, possibly mixed with freezing rain between 1am and 4am, then snow and freezing rain after 4am. Some thunder is also possible.  Low around 28. East wind 6 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.  New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Wintry Mix

  • Sunday

    Sunday: Rain, snow, freezing rain, and sleet before 1pm, then snow, possibly mixed with rain between 1pm and 4pm, then snow after 4pm. The snow could be heavy at times. Some thunder is also possible.  Patchy blowing snow after 2pm. High near 36. Breezy, with a north wind 13 to 23 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.  New snow and sleet accumulation of 3 to 5 inches possible.

    High: 36 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times.  Widespread blowing snow, mainly before 1am. Low around 12. Blustery, with a north wind around 21 mph, with gusts as high as 39 mph.  Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

    Low: 12 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: A 40 percent chance of snow, mainly before 1pm.  Patchy blowing snow. Mostly cloudy, with a high near 20. Blustery, with a northwest wind 20 to 23 mph, with gusts as high as 38 mph.  New snow accumulation of less than one inch possible.

    High: 20 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around -2. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: -2 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24. West wind around 6 mph.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am.  Mostly cloudy, with a low around 14. South wind around 6 mph.  Chance of precipitation is 60%.

    Low: 14 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. Blustery, with a northwest wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 28 mph.
Saturday
A 30 percent chance of snow, mainly after 3pm. Mostly cloudy, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Snow, possibly mixed with sleet before 1am, then snow and sleet, possibly mixed with freezing rain between 1am and 4am, then snow and freezing rain after 4am. Some thunder is also possible. Low around 28. East wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 1 to 3 inches possible.
Sunday
Rain, snow, freezing rain, and sleet before 1pm, then snow, possibly mixed with rain between 1pm and 4pm, then snow after 4pm. The snow could be heavy at times. Some thunder is also possible. Patchy blowing snow after 2pm. High near 36. Breezy, with a north wind 13 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 3 to 5 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 1am. Low around 12. Blustery, with a north wind around 21 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.
Monday
A 40 percent chance of snow, mainly before 1pm. Patchy blowing snow. Mostly cloudy, with a high near 20. Blustery, with a northwest wind 20 to 23 mph, with gusts as high as 38 mph. New snow accumulation of less than one inch possible.
Monday Night
Partly cloudy, with a low around -2. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 24. West wind around 6 mph.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 14. South wind around 6 mph. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 44. South wind around 5 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 28. Light west wind.
Thursday
Partly sunny, with a high near 50. West wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 28. Light and variable wind.
Friday
Mostly sunny, with a high near 49. Light and variable wind becoming south around 6 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
3:07 pm CDT Mar 13, 2026
3pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
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Additional Resources

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