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

Winter Storm to Impact the Region Sunday Afternoon - Monday Morning

A strong winter storm moves through the region Sunday afternoon through Monday morning. The combination of moderate to heavy snow, strong northwest winds, and falling temperatures may lead to hazardous travel conditions for much of the area. The greatest impacts in Wisconsin are expected to be along and north of I-90, while blizzard conditions are possible west of the Mississippi River. Read More >

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

35°F

2°C

Humidity 95%
Wind Speed SE 3 mph
Barometer 29.90 in (1013.7 mb)
Dewpoint 34°F (1°C)
Visibility 9.00 mi
Last update 27 Dec 8:55 am CST
Extended Forecast for

3 Miles SW Warrens WI

Winter Storm Watch December 28, 03:00pm until December 29, 12:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: Patchy drizzle after 5pm. Areas of fog before 5pm. Otherwise, cloudy, with a high near 41. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 41 °F

    Areas Fog
    then Patchy
    Drizzle and
    Patchy Fog

  • Tonight

    Tonight: Patchy drizzle before 3am. Cloudy, with a low around 35. Southeast wind 3 to 6 mph.

    Low: 35 °F

    Patchy
    Drizzle

  • Sunday

    Sunday: Rain before 2pm, then snow, possibly mixed with rain. Temperature rising to near 39 by noon, then falling to around 31 during the remainder of the day. Breezy, with a light and variable wind becoming northwest 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F⇓

    Rain then
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow. Patchy blowing snow after 9pm. Low around 11. Wind chill values as low as -6. Blustery, with a northwest wind 16 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.

    Low: 11 °F

    Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 50 percent chance of snow before noon. Patchy blowing snow before noon. Mostly cloudy, with a high near 19. Blustery, with a northwest wind 17 to 23 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.

    High: 19 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 2. Northwest wind 7 to 14 mph, with gusts as high as 28 mph.

    Low: 2 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 25. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 25 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 11. West wind around 10 mph, with gusts as high as 22 mph.

    Low: 11 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 20. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 20 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Today
Patchy drizzle after 5pm. Areas of fog before 5pm. Otherwise, cloudy, with a high near 41. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Tonight
Patchy drizzle before 3am. Cloudy, with a low around 35. Southeast wind 3 to 6 mph.
Sunday
Rain before 2pm, then snow, possibly mixed with rain. Temperature rising to near 39 by noon, then falling to around 31 during the remainder of the day. Breezy, with a light and variable wind becoming northwest 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow. Patchy blowing snow after 9pm. Low around 11. Wind chill values as low as -6. Blustery, with a northwest wind 16 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.
Monday
A 50 percent chance of snow before noon. Patchy blowing snow before noon. Mostly cloudy, with a high near 19. Blustery, with a northwest wind 17 to 23 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 2. Northwest wind 7 to 14 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 25. West wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 11. West wind around 10 mph, with gusts as high as 22 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 20. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -3. Northwest wind around 10 mph, with gusts as high as 21 mph.
New Year's Day
Sunny, with a high near 9. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around -7. West wind 5 to 7 mph.
Friday
Sunny, with a high near 14. West wind 5 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
7:42 am CST Dec 27, 2025
Forecast Valid:
9am CST Dec 27, 2025-6pm CST Jan 2, 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