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.

Overcast

56°F

13°C

Humidity 69%
Wind Speed Calm
Barometer 29.62 in (1003.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 17 Apr 10:55 pm CDT
Extended Forecast for

4 Miles SW Norwalk WI

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 4am. Low around 53. Southeast wind 7 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 7am. Cloudy, with a high near 58. South wind 6 to 11 mph becoming northwest in the morning. Winds could gust 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.

    High: 58 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 37. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54. Northwest wind 7 to 9 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. Calm wind becoming east around 6 mph after midnight.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 54. East wind 7 to 14 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 38. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Showers

  • Monday

    Monday: A 50 percent chance of showers. Partly sunny, with a high near 53. Breezy, with a northeast wind 13 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 53 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly clear, with a low around 34. Northwest wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 4am. Low around 53. Southeast wind 7 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely, mainly before 7am. Cloudy, with a high near 58. South wind 6 to 11 mph becoming northwest in the morning. Winds could gust 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.
Friday Night
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 37. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 54. Northwest wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 34. Calm wind becoming east around 6 mph after midnight.
Sunday
A 50 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 54. East wind 7 to 14 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 38. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 53. Breezy, with a northeast wind 13 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 34. Northwest wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Tuesday
A 40 percent chance of showers. Mostly sunny, with a high near 65. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44. South wind around 9 mph, with gusts as high as 18 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 65. West wind 8 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 40. West wind around 6 mph becoming north after midnight.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 64. Northeast wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Norwalk WI
 43.8°N 90.7°W
Last Update:
10:14 pm CDT Apr 17, 2025
Forecast Valid:
11pm CDT Apr 17, 2025-6pm CDT Apr 24, 2025
 
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