News Headlines
- Impactful Weather Coming! Strong Winds Areawide Tonight into Friday Morning + Snow in central WI, then a Significant Weekend Snowstorm
- 🌪️ NWS La Crosse VIRTUAL Spotter Training Schedule
- 2026 Spring Flood Outlook
- Changes to Flood Stage Categories for Upper Iowa River at Bluffton (BLFI4), Effective 4/1/26
Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
A Few Clouds
41°F
5°C
| Humidity | 41% |
| Wind Speed | SW 7 mph |
| Barometer | 30.07 in (1019.7 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 12 Mar 12:55 pm CDT |
Extended Forecast for
Tomah WI
Wind Advisory March 13, 12:00am until March 13, 01:00pm
This Afternoon

High: 46 °F
Chance
Rain/Snow and
BreezyTonight

Low: 29 °F
Rain/Snow and
BreezyFriday
High: 40 °F
Chance Snow
and Patchy
Blowing SnowFriday Night

Low: 23 °F
Mostly Cloudy
Saturday
High: 40 °F
Mostly Cloudy
then Slight
Chance SnowSaturday Night

Low: 26 °F
Heavy Snow
Sunday

High: 32 °F
Heavy Snow
and Patchy
Blowing SnowSunday Night

Low: 10 °F
Snow Likely
and BlusteryMonday

High: 21 °F
Slight Chance
Snow and
Blustery
Detailed Forecast
This Afternoon
A slight chance of rain and snow between 4pm and 5pm, then a chance of rain. Mostly cloudy, with a high near 46. Breezy, with a south wind 8 to 16 mph. Chance of precipitation is 30%.
Tonight
Rain and snow before 1am, then a chance of rain between 1am and 5am, then a chance of rain and snow after 5am. Low around 29. Breezy, with a south wind 17 to 23 mph becoming west after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
A 30 percent chance of snow, mainly before 9am. Patchy blowing snow before 11am. Mostly cloudy, with a high near 40. Windy, with a northwest wind 25 to 30 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 55 mph.
Friday Night
Mostly cloudy, with a low around 23. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Snow. The snow could be heavy at times. Low around 26. East wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Sunday
Snow. The snow could be heavy at times. Patchy blowing snow after 9am. High near 32. Breezy, with a northeast wind 15 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 10. Blustery, with a north wind around 21 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 21. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around -5. Northwest wind 5 to 11 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 25. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 6. Light and variable wind.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 37. Southeast wind 3 to 6 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
12:32 pm CDT Mar 12, 2026
1pm CDT Mar 12, 2026-6pm CDT Mar 18, 2026



