BLIZZARD CONDITIONS Tonight Into Monday Morning

Blizzard conditions will develop across much of the area tonight, especially in rural wind-prone areas. This new snow will be lighter and fluffier, making it much more susceptible to blowing around in the strong winds. TRAVEL STRONGLY DISCOURAGED tonight! The Monday morning commute will be impacted. Sporadic power outages will be possible. Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

24°F

-4°C

Humidity 84%
Wind Speed NW 15 G 29 mph
Barometer 29.61 in (1004.0 mb)
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill11°F (-12°C)
Last update 16 Mar 3:55 am CDT
Extended Forecast for

Sparta WI

Blizzard Warning March 16, 04:15am until March 16, 01:00pm
Click here for hazard details and duration
Blizzard Warning
  •  
    Blizzard Warning March 16, 04:15am until March 16, 01:00pm

    NOW until 1:00pm Mon

    Blizzard Warning

  • Overnight

    Low: 20 °F

    Snow and
    Areas Blowing
    Snow

  • Monday

    Monday: Snow likely, mainly before 11am, then a chance of flurries after noon.  Areas of blowing snow. Cloudy, with a high near 21. Wind chill values as low as -3. Blustery, with a northwest wind 21 to 23 mph, with gusts as high as 41 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 21 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around -4. Wind chill values as low as -12. Blustery, with a northwest wind 6 to 16 mph, with gusts as high as 29 mph.

    Low: -4 °F

    Decreasing
    Clouds and
    Blustery then
    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 22. Wind chill values as low as -4. Light and variable wind.

    High: 22 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly before 1am.  Low around 15. South wind around 6 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 15 °F

    Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 45. Southwest wind 3 to 5 mph.

    High: 45 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 1am.  Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Partly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow. Areas of blowing snow. Steady temperature around 20. Blustery, with a north wind around 23 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Monday
Snow likely, mainly before 11am, then a chance of flurries after noon. Areas of blowing snow. Cloudy, with a high near 21. Wind chill values as low as -3. Blustery, with a northwest wind 21 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around -4. Wind chill values as low as -12. Blustery, with a northwest wind 6 to 16 mph, with gusts as high as 29 mph.
Tuesday
Increasing clouds, with a high near 22. Wind chill values as low as -4. Light and variable wind.
Tuesday Night
Snow, mainly before 1am. Low around 15. South wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Mostly cloudy, with a high near 45. Southwest wind 3 to 5 mph.
Wednesday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 29. Calm wind.
Thursday
Partly sunny, with a high near 48. Calm wind.
Thursday Night
Mostly cloudy, with a low around 31. Calm wind becoming south around 5 mph after midnight.
Friday
Partly sunny, with a high near 52. South wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 32. Southwest wind around 6 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 55. Northwest wind 5 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 30. North wind around 7 mph.
Sunday
Partly sunny, with a high near 50. Northwest wind 6 to 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
3:47 am CDT Mar 16, 2026
4am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
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