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

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Light Rain

65°F

18°C

Humidity 89%
Wind Speed SE 9 mph
Barometer 29.63 in (1003.5 mb)
Dewpoint 61°F (16°C)
Visibility 7.00 mi
Last update 3 Nov 6:55 pm CST
Extended Forecast for

Tomah WISimilar City Names

  • Tonight

    Tonight: Showers, mainly before 1am. Low around 55. Southeast wind around 9 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, mainly before 1pm. Temperature rising to near 58 by 10am, then falling to around 52 during the remainder of the day. South wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F⇓

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 43. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers, mainly before noon. High near 51. West wind 8 to 10 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 33. North wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. North wind 5 to 9 mph becoming calm in the afternoon.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers, mainly before 1am. Low around 55. Southeast wind around 9 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers, mainly before 1pm. Temperature rising to near 58 by 10am, then falling to around 52 during the remainder of the day. South wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers. Low around 43. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers, mainly before noon. High near 51. West wind 8 to 10 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 33. North wind 7 to 11 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 49. North wind 5 to 9 mph becoming calm in the afternoon.
Friday Night
Partly cloudy, with a low around 27. Calm wind.
Saturday
Mostly sunny, with a high near 53. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 30. Calm wind.
Sunday
A 20 percent chance of showers. Sunny, with a high near 58. Calm wind becoming west 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 31. Calm wind.
Monday
Mostly sunny, with a high near 61. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 35. West wind 3 to 5 mph.
Tuesday
Sunny, with a high near 59. West wind 3 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tomah WISimilar City Names
 43.99°N 90.51°W
Last Update:
4:36 pm CST Nov 3, 2026
Forecast Valid:
7pm CST Nov 3, 2026-6pm CST Nov 10, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation