Severe Storms Possible Today, Freezing Rain Tonight

Freezing rain builds into north central Wisconsin this evening and continues through the overnight. Impacts to elevated surfaces possible. Severe thunderstorms are possible this afternoon and evening with the main threats of hail and wind... Read More >

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

38°F

3°C

Humidity 93%
Wind Speed W 5 mph
Barometer 29.86 in (1012.2 mb)
Dewpoint 36°F (2°C)
Visibility 9.00 mi
Wind Chill34°F (1°C)
Last update 3 Apr 3:55 am CDT
Extended Forecast for

Tomah WI

  • Today

    Today: A chance of showers, then showers and possibly a thunderstorm after 4pm.  High near 45. Calm wind becoming east 5 to 7 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 45 °F

    Mostly Cloudy
    then Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Low around 34. East wind 9 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 34 °F

    Showers

  • Saturday

    Saturday: A chance of rain showers before 4pm, then a chance of rain and snow showers.  Mostly cloudy, with a high near 44. Breezy, with a west wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Showers then
    Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers before 7pm.  Mostly cloudy, with a low around 28. West wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 28 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. West wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. West wind around 7 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44. Breezy, with a northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 44 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Northwest wind 9 to 14 mph becoming light north  after midnight. Winds could gust as high as 24 mph.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46. Calm wind becoming south 5 to 8 mph in the morning.

    High: 46 °F

    Sunny

Detailed Forecast

Today
A chance of showers, then showers and possibly a thunderstorm after 4pm. High near 45. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 34. East wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A chance of rain showers before 4pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 44. Breezy, with a west wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
A 30 percent chance of snow showers before 7pm. Mostly cloudy, with a low around 28. West wind 13 to 15 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 50. West wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 30. West wind around 7 mph.
Monday
Partly sunny, with a high near 44. Breezy, with a northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 18. Northwest wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 24 mph.
Tuesday
Sunny, with a high near 46. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A slight chance of snow showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. South wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 63. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41. South wind 11 to 14 mph, with gusts as high as 25 mph.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 57. West wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Tomah WI
 43.99°N 90.51°W
4:21 am CDT Apr 3, 2026
4am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
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