Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Mostly Cloudy

86°F

30°C

Humidity 74%
Wind Speed S 7 mph
Barometer 29.78 in (1008.1 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 29 Jun 10:55 am CDT
Extended Forecast for

2 Miles E Westby WI

Extreme Heat Warning until June 30, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until June 30, 09:00pm

    NOW until 9:00pm Tue

    Extreme Heat Warning

  • Today

    High: 94 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms between 1am and 2am.  Increasing clouds, with a low around 75. Breezy, with a south wind 9 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    Low: 75 °F

    Mostly Clear
    and Breezy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms before 7am.  Mostly sunny, with a high near 93. Heat index values as high as 103. South wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 93 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am.  Increasing clouds, with a low around 72. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 92. Breezy, with a south wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 92 °F

    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 73. South wind 13 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 91. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Partly cloudy, with a low around 69. South wind 3 to 6 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 94. Heat index values as high as 106. Breezy, with a south wind 13 to 17 mph, with gusts as high as 26 mph.
Tonight
A chance of showers and thunderstorms between 1am and 2am. Increasing clouds, with a low around 75. Breezy, with a south wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tuesday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 93. Heat index values as high as 103. South wind 9 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am. Increasing clouds, with a low around 72. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Breezy, with a south wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 73. South wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 69. South wind 3 to 6 mph. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind 5 to 7 mph becoming light and variable.
Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Southeast wind 5 to 8 mph becoming southwest in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. South wind around 6 mph becoming northwest after midnight.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Northwest wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Westby WI
 43.65°N 90.83°W
11:47 am CDT Jun 29, 2026
11am CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
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Additional Resources

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