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Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

61°F

16°C

Humidity 94%
Wind Speed Calm
Barometer 29.98 in (1015.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Jul 10:55 pm CDT
Extended Forecast for

Viroqua WI

Extreme Heat Watch July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. South wind around 6 mph.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 87. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 1am and 2am. Increasing clouds, with a low around 69. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 91. Heat index values as high as 99. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 91 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Southwest wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 93. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 10%.

    High: 93 °F

    Slight Chance
    T-storms then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. North wind 3 to 7 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Northwest wind 3 to 6 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. South wind around 6 mph.
Saturday
A slight chance of showers between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 87. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms between 1am and 2am. Increasing clouds, with a low around 69. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 91. Heat index values as high as 99. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Southwest wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 93. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 10%.
Monday Night
Mostly clear, with a low around 68. North wind 3 to 7 mph.
Tuesday
Sunny, with a high near 89. Northwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 65. Light and variable wind.
Wednesday
Sunny, with a high near 89. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 66. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light south wind.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Light and variable wind becoming west 5 to 7 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Viroqua WI
 43.56°N 90.86°W
Last Update:
8:46 pm CDT Jul 24, 2026
Forecast Valid:
12am CDT Jul 25, 2026-6pm CDT Jul 31, 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