Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
33°F
1°C
| Humidity | 76% |
| Wind Speed | Calm |
| Barometer | 30.21 in (1023.8 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Last update | 1 Apr 4:55 am CDT |
Extended Forecast for
Tomah WI
Winter Weather Advisory April 2, 12:00am until April 2, 10:00am
Today

High: 47 °F
Partly Sunny
Tonight
Low: 31 °F
Breezy.
Chance Wintry
Mix then
Rain/Freezing
RainThursday
High: 52 °F
Wintry Mix
and Breezy
then ShowersThursday Night

Low: 32 °F
Showers
LikelyFriday
High: 55 °F
Partly Sunny
then Chance
ShowersFriday Night

Low: 35 °F
Showers
Saturday

High: 47 °F
Chance
Showers and
BreezySaturday Night

Low: 26 °F
Slight Chance
Rain/Snow and
BreezySunday
High: 48 °F
Partly Sunny
then Mostly
Sunny and
Breezy
Detailed Forecast
Today
Partly sunny, with a high near 47. East wind 6 to 15 mph.
Tonight
Rain showers, snow showers, and sleet likely before 1am, then rain showers between 1am and 4am, then rain or freezing rain after 4am. Low around 31. Breezy, with an east wind 15 to 17 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. Little or no snow and sleet accumulation expected.
Thursday
Rain showers and freezing rain, possibly mixed with sleet before 8am, then rain showers, possibly mixed with sleet between 8am and 9am, then rain showers after 9am. Some thunder is also possible. High near 52. Breezy, with an east wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. Little or no sleet accumulation expected.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 32. Southeast wind around 10 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 55. West wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 35. East wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 47. Breezy, with a southeast wind 9 to 16 mph becoming west in the morning. Winds could gust as high as 24 mph.
Saturday Night
A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 26. Breezy, with a west wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 48. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Sunday Night
A 20 percent chance of snow showers after 1am. Partly cloudy, with a low around 26. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
A chance of rain and snow showers. Mostly cloudy, with a high near 49. Light and variable wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 40%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 24. North wind around 6 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 47. Northeast wind 5 to 8 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Tomah WI
43.99°N 90.51°W
43.99°N 90.51°W
4:46 am CDT Apr 1, 2026
5am CDT Apr 1, 2026-6pm CDT Apr 7, 2026



