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

Dangerous Winter Storm Through Monday Morning

A dangerous winter storm will unfold will continue through Monday morning bringing heavy snowfall (possibly record-breaking for some) and blizzard conditions. Make appropriate preparations, as power outages will be possible. Travel will become dangerous, if not impossible. Read More >

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

33°F

1°C

Humidity 79%
Wind Speed NE 12 G 21 mph
Barometer 29.57 in (1002.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 15 Mar 1:55 pm CDT
Extended Forecast for

Warrens WI

Winter Storm Warning March 15, 02:04pm until March 16, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 15, 02:04pm until March 16, 01:00pm

    NOW until 1:00pm Mon

    Winter Storm Warning

  • This Afternoon

    High: 34 °F

    Snow and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 1am. Low around 13. Wind chill values as low as zero. Blustery, with a north wind 22 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 13 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 1pm. The snow could be heavy at times. Areas of blowing snow. Steady temperature around 17. Wind chill values as low as -5. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 17 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values as low as -14. Northwest wind 7 to 14 mph, with gusts as high as 28 mph.

    Low: -2 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. West wind around 6 mph becoming southwest in the afternoon.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow. Low around 13. South wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 13 °F

    Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. Southwest wind around 6 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 28. Southwest wind around 5 mph becoming light and variable after midnight.

    Low: 28 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Snow, mainly before 4pm. Patchy blowing snow between 4pm and 5pm. High near 34. Breezy, with a north wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 6 to 10 inches possible.
Tonight
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 1am. Low around 13. Wind chill values as low as zero. Blustery, with a north wind 22 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Monday
Snow, mainly before 1pm. The snow could be heavy at times. Areas of blowing snow. Steady temperature around 17. Wind chill values as low as -5. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values as low as -14. Northwest wind 7 to 14 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 22. West wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Snow. Low around 13. South wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Partly sunny, with a high near 44. Southwest wind around 6 mph.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 28. Southwest wind around 5 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 47. Calm wind becoming northwest around 5 mph.
Thursday Night
Mostly cloudy, with a low around 28. Calm wind becoming south around 5 mph after midnight.
Friday
Mostly cloudy, with a high near 51. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 30. Northwest wind around 8 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 51. Northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
1:26 pm CDT Mar 15, 2026
Forecast Valid:
2pm CDT Mar 15, 2026-6pm CDT Mar 21, 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