Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

A Few Clouds

67°F

19°C

Humidity 97%
Wind Speed Calm
Barometer 29.83 in (1009.9 mb)
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 12 Aug 3:55 am CDT
Extended Forecast for

2 Miles ESE Ontario WI

  • Today

    Today: Patchy smoke after 4pm. Areas of fog before 9am.  Otherwise, partly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Areas Fog
    then Patchy
    Smoke

  • Tonight

    Tonight: Patchy smoke before 4am. Increasing clouds, with a low around 65. Calm wind.

    Low: 65 °F

    Patchy Smoke

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly before 4pm, then a slight chance of thunderstorms after 5pm.  Mostly cloudy, with a high near 81. Light southeast wind.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers between 7pm and 1am.  Mostly cloudy, with a low around 62. Calm wind.  Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 81. East wind 5 to 9 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 61. East wind 5 to 8 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 80. Southeast wind around 6 mph becoming south in the afternoon.  Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 64. Light and variable wind.  Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly cloudy, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 79 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy smoke after 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 86. Calm wind.
Tonight
Patchy smoke before 4am. Increasing clouds, with a low around 65. Calm wind.
Thursday
A chance of showers and thunderstorms, mainly before 4pm, then a slight chance of thunderstorms after 5pm. Mostly cloudy, with a high near 81. Light southeast wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 81. East wind 5 to 9 mph.
Friday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. East wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Southeast wind around 6 mph becoming south in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 58. Light northwest wind.
Monday
Sunny, with a high near 77. Calm wind.
Monday Night
Partly cloudy, with a low around 57. Calm wind.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Ontario WI
 43.71°N 90.56°W
3:01 am CDT Aug 12, 2026
4am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
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Additional Resources

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