Severe Weather Likely this Afternoon

An additional round of severe weather will move into the region early this afternoon and depart before sunset. Large hail (2-3" diameter), damaging wind gusts and a few tornadoes, perhaps some strong (EF2-EF3) will be possible. Be sure to have multiple ways to receive warnings and to promptly head to your safe location when a warning is issued! Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

79°F

26°C

Humidity 52%
Wind Speed SE 16 G 25 mph
Barometer 29.62 in (1003.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Apr 11:55 am CDT
Extended Forecast for

4 Miles NNE Sparta / Fort McCoy Airport WI

Flood Watch April 17, 01:00pm until April 18, 07:00am
Tornado Watch until April 17, 08:00pm
Click here for hazard details and duration
Flood Watch
Tornado Watch
  •  
    Tornado Watch until April 17, 08:00pm

    NOW until 8:00pm Fri

    Tornado Watch

  • This Afternoon

    High: 79 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Some of the storms could be severe.  Low around 30. Northwest wind 11 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 30 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of sprinkles after 1pm.  Mostly sunny, with a high near 45. Breezy, with a west wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 45 °F

    Chance
    Sprinkles and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. West wind 8 to 13 mph becoming light  after midnight. Winds could gust as high as 24 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. Calm wind becoming south 5 to 9 mph in the morning.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. South wind around 8 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe. High near 79. Breezy, with a south wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Some of the storms could be severe. Low around 30. Northwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of sprinkles after 1pm. Mostly sunny, with a high near 45. Breezy, with a west wind 11 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 26. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 24 mph.
Sunday
Mostly sunny, with a high near 49. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 58. Calm wind becoming south 5 to 9 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. South wind around 8 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 72. Southwest wind 6 to 8 mph becoming west in the afternoon.
Tuesday Night
Clear, with a low around 41. Light and variable wind.
Wednesday
Sunny, with a high near 73. Southeast wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 49. Southeast wind around 6 mph.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 77. South wind 6 to 13 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Sparta / Fort McCoy Airport WI
 44.01°N 90.72°W
10:02 am CDT Apr 17, 2026
12pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
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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