Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Tomah WI

  • Today

    Today: Increasing clouds, with a high near 76. Light and variable wind becoming south 6 to 11 mph in the afternoon.

    High: 76 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers after 4am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Light and variable wind becoming east 5 to 10 mph in the evening.  Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 58. East wind 8 to 13 mph becoming northwest in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. North wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow showers after 1pm, mixing with rain after 4pm.  Mostly cloudy, with a high near 43. East wind 6 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    High: 43 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow showers likely, possibly mixed with rain showers and freezing rain before 10pm, then snow showers and freezing rain between 10pm and 4am, then freezing rain, possibly mixed with snow showers and sleet after 4am.  Low around 27. East wind 11 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New ice accumulation of 0.1 to 0.2 of an inch possible.  New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Wintry Mix

  • Thursday

    Thursday: Rain and freezing rain, possibly mixed with snow and sleet before 7am, then rain showers and freezing rain, possibly mixed with sleet between 7am and 1pm, then rain showers after 1pm.  High near 40. Breezy, with an east wind 14 to 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%.

    High: 40 °F

    Wintry Mix
    and Breezy

  • Thursday Night

    Thursday Night: Rain showers likely before 1am, then a slight chance of rain and snow showers.  Mostly cloudy, with a low around 28. Northeast wind 7 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%.

    Low: 28 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: A 30 percent chance of showers after 1pm.  Partly sunny, with a high near 47. North wind 6 to 9 mph becoming east in the afternoon.

    High: 47 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 76. Light and variable wind becoming south 6 to 11 mph in the afternoon.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Light and variable wind becoming east 5 to 10 mph in the evening. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 58. East wind 8 to 13 mph becoming northwest in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 28. North wind 6 to 11 mph, with gusts as high as 23 mph.
Wednesday
A chance of snow showers after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 43. East wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
Snow showers likely, possibly mixed with rain showers and freezing rain before 10pm, then snow showers and freezing rain between 10pm and 4am, then freezing rain, possibly mixed with snow showers and sleet after 4am. Low around 27. East wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New ice accumulation of 0.1 to 0.2 of an inch possible. New snow and sleet accumulation of 1 to 3 inches possible.
Thursday
Rain and freezing rain, possibly mixed with snow and sleet before 7am, then rain showers and freezing rain, possibly mixed with sleet between 7am and 1pm, then rain showers after 1pm. High near 40. Breezy, with an east wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Thursday Night
Rain showers likely before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 28. Northeast wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 47. North wind 6 to 9 mph becoming east in the afternoon.
Friday Night
Rain and snow showers likely, mainly after 1am. Mostly cloudy, with a low around 31. East wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday
Rain and snow showers likely. Mostly cloudy, with a high near 47. Breezy, with an east wind 11 to 16 mph becoming west in the afternoon. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. West wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 46. Northwest wind 11 to 15 mph, with gusts as high as 25 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Tomah WI
 43.99°N 90.51°W
8:01 am CDT Mar 30, 2026
8am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database