Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Mostly Cloudy

55°F

13°C

Humidity 87%
Wind Speed Calm
Barometer 30.20 in (1023.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 Oct 1:55 am CDT
Extended Forecast for

2 Miles N Ontario WI

  • Overnight

    Overnight: A 10 percent chance of showers after 5am.  Cloudy, with a low around 47. Calm wind becoming southeast around 5 mph.

    Low: 47 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 8am.  Mostly cloudy, with a high near 66. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 10pm.  Cloudy, then gradually becoming partly cloudy, with a low around 56. South wind 6 to 8 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 77. South wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am.  Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph becoming calm  after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 71. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 71 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 42. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 58. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 58 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 38. West wind around 6 mph becoming calm  in the evening.

    Low: 38 °F

    Clear

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Cloudy, with a low around 47. Calm wind becoming southeast around 5 mph.
Thursday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 66. Southeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 56. South wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77. South wind 9 to 14 mph, with gusts as high as 23 mph.
Friday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 71. Calm wind becoming west 5 to 8 mph in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 58. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Clear, with a low around 38. West wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 66. Light south wind increasing to 8 to 13 mph in the morning.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 42. South wind around 6 mph.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 59. West wind 7 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 36. West wind 7 to 10 mph, with gusts as high as 22 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 56. West wind 7 to 13 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Ontario WI
 43.75°N 90.58°W
2:31 am CDT Oct 16, 2025
2am CDT Oct 16, 2025-6pm CDT Oct 22, 2025
 
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