National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fog/Mist

59°F

15°C

Humidity 93%
Wind Speed Calm
Barometer 29.33 in (993.5 mb)
Dewpoint 57°F (14°C)
Visibility 4.00 mi
Last update 17 Jun 2:55 pm CDT
Extended Forecast for

5 Miles NE Norwalk WI

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 64. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Low around 52. Northwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 71. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 71 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 49. Northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 73. West wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 73 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 52. Light west wind.

    Low: 52 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 75. Northwest wind 3 to 6 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Partly sunny, with a high near 71. East wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 64. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Low around 52. Northwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 71. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 49. Northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Juneteenth
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 73. West wind 3 to 8 mph. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 52. Light west wind.
Saturday
Sunny, with a high near 75. Northwest wind 3 to 6 mph.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 54. Calm wind.
Sunday
Showers likely, mainly after 1pm. Partly sunny, with a high near 71. East wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 52. Northeast wind 6 to 9 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 74. North wind around 6 mph.
Monday Night
Partly cloudy, with a low around 52. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. Calm wind.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55. Light southwest wind.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. West wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Norwalk WI
 43.88°N 90.58°W
Last Update:
2:06 pm CDT Jun 17, 2026
Forecast Valid:
3pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation