Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Thunderstorm in Vicinity

60°F

16°C

Humidity 92%
Wind Speed S 7 G 17 mph
Barometer 29.59 in (1002.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 6 Mar 10:55 pm CST
Extended Forecast for

Sparta WI

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 3am, then a chance of showers after 3am. Some of the storms could produce heavy rainfall.  Patchy fog. Low around 39. Light and variable wind becoming west 8 to 13 mph after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Heavy Rain
    and Patchy
    Fog

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 7am.  Patchy fog before 8am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a temperature falling to around 34 by 2pm. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 40 °F

    Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Light west wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 23 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Southwest wind around 6 mph becoming northwest in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Light and variable wind becoming northeast around 6 mph after midnight.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers after noon.  Mostly sunny, with a high near 52. East wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 52 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain showers before midnight, then a chance of snow showers.  Mostly cloudy, with a low around 28. Northeast wind 6 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%.

    Low: 28 °F

    Chance
    Showers then
    Chance Snow
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 3am, then a chance of showers after 3am. Some of the storms could produce heavy rainfall. Patchy fog. Low around 39. Light and variable wind becoming west 8 to 13 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 7am. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a temperature falling to around 34 by 2pm. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 31. Light west wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 62. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 45. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 66. Southwest wind around 6 mph becoming northwest in the afternoon.
Monday Night
Mostly clear, with a low around 36. Light and variable wind becoming northeast around 6 mph after midnight.
Tuesday
A 40 percent chance of showers after noon. Mostly sunny, with a high near 52. East wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of rain showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around 28. Northeast wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 43. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 21. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Partly sunny, with a high near 47. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. South wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday
A slight chance of rain and snow showers. Mostly cloudy, with a high near 49. Southwest wind 8 to 14 mph becoming northwest in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
11:21 pm CST Mar 6, 2026
11pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
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