Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
22°F
-6°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.36 in (1029.3 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Last update | 11 Apr 5:55 am CDT |
Extended Forecast for
Tomah WI
Today
High: 57 °F
Mostly Sunny
then Chance
ShowersTonight

Low: 45 °F
Showers
Sunday

High: 74 °F
Showers
Likely and
BreezySunday Night

Low: 57 °F
Chance
Showers and
BreezyMonday
High: 78 °F
Mostly Sunny
then Chance
ShowersMonday Night

Low: 57 °F
Showers
Tuesday
High: 81 °F
Chance
Showers then
Showers
LikelyTuesday Night

Low: 54 °F
Showers
LikelyWednesday

High: 73 °F
Chance
Showers
Detailed Forecast
Today
A 40 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 57. Light south wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 45. Southeast wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 74. Breezy, with a south wind 13 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 57. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. Southwest wind around 6 mph. Chance of precipitation is 30%.
Monday Night
Showers and possibly a thunderstorm. Low around 57. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Southwest wind 6 to 10 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 54. Southwest wind around 7 mph. Chance of precipitation is 70%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. West wind 6 to 9 mph. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 50. South wind around 6 mph.
Thursday
A 40 percent chance of showers. Sunny, with a high near 76. South wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 52. South wind around 6 mph.
Friday
A 50 percent chance of showers. Mostly sunny, with a high near 72. South wind 6 to 11 mph, with gusts as high as 21 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Tomah WI
43.99°N 90.51°W
43.99°N 90.51°W
5:16 am CDT Apr 11, 2026
6am CDT Apr 11, 2026-6pm CDT Apr 17, 2026



