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Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

51°F

11°C

Humidity 72%
Wind Speed Calm
Barometer 29.86 in (1011.8 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 24 Nov 1:55 pm CST
Extended Forecast for

Tunnel City WI

  • This Afternoon

    This Afternoon: Rain likely, mainly after 4pm. Cloudy, with a steady temperature around 50. South wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 1am. Patchy fog before 1am. Low around 41. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain, mainly after 3pm. High near 50. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain before midnight, then rain and snow between midnight and 3am, then snow after 3am. Low around 25. Blustery, with a west wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain then
    Rain/Snow and
    Blustery

  • Wednesday

    Wednesday: Snow likely, mainly before noon. Mostly cloudy, with a high near 31. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Blustery.
    Snow Likely
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Blustery, with a northwest wind 13 to 18 mph, with gusts as high as 31 mph.

    Low: 18 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 28. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 28 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 14. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 27. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 27 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain likely, mainly after 4pm. Cloudy, with a steady temperature around 50. South wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 1am. Patchy fog before 1am. Low around 41. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain, mainly after 3pm. High near 50. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain before midnight, then rain and snow between midnight and 3am, then snow after 3am. Low around 25. Blustery, with a west wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 31. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly cloudy, with a low around 18. Blustery, with a northwest wind 13 to 18 mph, with gusts as high as 31 mph.
Thanksgiving Day
Partly sunny, with a high near 28. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 14. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 27. Northwest wind around 5 mph becoming calm in the afternoon.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16. Calm wind.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 28. Calm wind becoming southeast around 6 mph in the morning.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17. Light and variable wind becoming north around 5 mph after midnight.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 28. Northwest wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tunnel City WI
 44.01°N 90.57°W
Last Update:
2:06 pm CST Nov 24, 2025
Forecast Valid:
2pm CST Nov 24, 2025-6pm CST Nov 30, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation