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.

Thunderstorm in Vicinity

60°F

16°C

Humidity 92%
Wind Speed S 7 G 17 mph
Barometer 29.59 in (1002.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 6 Mar 10:55 pm CST
Extended Forecast for

Norwalk WI

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog. Low around 38. South wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Heavy Rain
    and Patchy
    Fog

  • Saturday

    Saturday: A 30 percent chance of showers before 8am. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a temperature falling to around 33 by 2pm. Breezy, with a northwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 40 °F⇓

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Southwest wind 6 to 15 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 61 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Southwest wind 11 to 15 mph, with gusts as high as 28 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. Northwest wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers after noon. Mostly sunny, with a high near 51. East wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 51 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around 27. Northeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 27 °F

    Chance
    Showers then
    Chance Snow
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 3am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog. Low around 38. South wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 30 percent chance of showers before 8am. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a temperature falling to around 33 by 2pm. Breezy, with a northwest wind 11 to 16 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 30. Southwest wind 6 to 15 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 61. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 44. Southwest wind 11 to 15 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 65. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 35. Northwest wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph.
Tuesday
A 40 percent chance of showers after noon. Mostly sunny, with a high near 51. East wind 10 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
A chance of rain showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around 27. Northeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 42. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 21. Northwest wind 5 to 11 mph, with gusts as high as 22 mph.
Thursday
Partly sunny, with a high near 45. Northwest wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. South wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 48. Breezy, with a southwest wind 13 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Norwalk WI
 43.84°N 90.64°W
Last Update:
11:21 pm CST Mar 6, 2026
Forecast Valid:
11pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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Chance of Precipitation