
Rounds of Heavy Rain Today, Severe Weather Potential Tonight
Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
52°F
11°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 29.70 in (1006.4 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 9.00 mi |
| Last update | 6 Mar 7:55 pm CST |
Extended Forecast for
3 Miles SSW Tomah WI
Tonight

Low: 38 °F
Heavy Rain
and Patchy
FogSaturday
High: 41 °F
Slight Chance
Rain and
Patchy FogSaturday Night

Low: 31 °F
Mostly Clear
Sunday

High: 62 °F
Sunny
Sunday Night

Low: 45 °F
Mostly Cloudy
Monday

High: 64 °F
Mostly Sunny
Monday Night

Low: 34 °F
Partly Cloudy
Tuesday

High: 47 °F
Chance
ShowersTuesday Night

Low: 26 °F
Chance
Showers
Detailed Forecast
Tonight
Showers and thunderstorms before 3am, then a chance of rain, mainly between 3am and 4am. Some of the storms could produce heavy rainfall. Patchy fog. Low around 38. South wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A slight chance of rain between 7am and 8am. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 41. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 31. Southwest wind 7 to 15 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 62. Southwest wind 11 to 15 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 45. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 64. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 34. Northwest wind 5 to 8 mph becoming northeast after midnight.
Tuesday
A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 47. East wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
A 30 percent chance of showers. Cloudy, with a low around 26. Northeast wind 7 to 10 mph, with gusts as high as 22 mph.
Wednesday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 42. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 23. Northwest wind around 6 mph becoming southwest after midnight.
Thursday
Partly sunny, with a high near 50. South wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 33. South wind 7 to 11 mph, with gusts as high as 23 mph.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 54. Southwest wind 11 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Tomah WI
43.94°N 90.54°W
43.94°N 90.54°W
7:37 pm CST Mar 6, 2026
8pm CST Mar 6, 2026-6pm CDT Mar 13, 2026



