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Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

15°F

-9°C

Humidity 67%
Wind Speed W 7 mph
Barometer 29.80 in (1011.5 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 26 Jan 11:55 pm CST
Extended Forecast for

5 Miles SSW Sparta WI

  • Overnight

    Overnight: A chance of flurries before 1am, then a slight chance of snow between 1am and 4am, then a chance of flurries after 4am. Mostly cloudy, with a low around 3. Wind chill values as low as -13. West wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 3 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A chance of flurries before 10am. Partly sunny, with a high near 10. Wind chill values as low as -16. Northwest wind 9 to 15 mph, with gusts as high as 29 mph.

    High: 10 °F

    Chance
    Flurries

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -2. Wind chill values as low as -12. West wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: -2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 11. Wind chill values as low as -10. West wind 5 to 8 mph.

    High: 11 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -7. Northwest wind around 5 mph becoming calm in the evening.

    Low: -7 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 11. Calm wind becoming northwest around 5 mph.

    High: 11 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -7. Calm wind.

    Low: -7 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13. Calm wind becoming northwest around 6 mph in the morning.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -3. Light northwest wind.

    Low: -3 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries before 1am, then a slight chance of snow between 1am and 4am, then a chance of flurries after 4am. Mostly cloudy, with a low around 3. Wind chill values as low as -13. West wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Tuesday
A chance of flurries before 10am. Partly sunny, with a high near 10. Wind chill values as low as -16. Northwest wind 9 to 15 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around -2. Wind chill values as low as -12. West wind 6 to 8 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 11. Wind chill values as low as -10. West wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around -7. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 11. Calm wind becoming northwest around 5 mph.
Thursday Night
Partly cloudy, with a low around -7. Calm wind.
Friday
Mostly sunny, with a high near 13. Calm wind becoming northwest around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around -3. Light northwest wind.
Saturday
Sunny, with a high near 22. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 5. Light south wind.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 27. Southwest wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 13. Light southwest wind.
Monday
Partly sunny, with a high near 31. Calm wind becoming west around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
10:46 pm CST Jan 26, 2026
Forecast Valid:
12am CST Jan 27, 2026-6pm CST Feb 2, 2026
 
Forecast Discussion
 
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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