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

Viroqua Municipal Airport (KY51)

Lat: 43.58°NLon: 90.91°WElev: 1292ft.

Mostly Cloudy

64°F

18°C

Humidity 98%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 11:35 pm CDT
Extended Forecast for

Westby WI

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 62. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 80. Southwest wind 6 to 9 mph becoming northwest in the afternoon.

    High: 80 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. West wind 5 to 7 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Light northwest wind increasing to 5 to 10 mph in the morning.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 57. Calm wind.
Wednesday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 78. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 55. Calm wind.
Thursday
Sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 62. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 80. Southwest wind 6 to 9 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 59. West wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 79. Light northwest wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 78. Light and variable wind.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57. Calm wind.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 79. Southwest wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. Light and variable wind becoming west 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westby WI
 43.65°N 90.86°W
Last Update:
11:01 pm CDT Aug 18, 2026
Forecast Valid:
11pm CDT Aug 18, 2026-6pm CDT Aug 25, 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