National Weather Service

News Headlines

August 2026 Upper Mississippi River Valley Weather Summary

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Viroqua Municipal Airport (KY51)

Lat: 43.58°NLon: 90.91°WElev: 1292ft.

Fair

81°F

27°C

Humidity	79%
Wind Speed	SE 7 mph
Barometer	29.90 in
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	3 Sep 6:15 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

La Farge WI

Tonight
Low: 69 °F
Slight Chance
T-storms then
Chance
T-storms
Friday
High: 88 °F
Chance
Showers then
Sunny
Friday Night
Low: 66 °F
Chance
Showers then
Slight Chance
T-storms
Saturday
High: 86 °F
Partly Sunny
Saturday Night
Low: 61 °F
Partly Cloudy
Sunday
High: 83 °F
Partly Sunny
Sunday Night
Low: 60 °F
Slight Chance
T-storms
Labor Day
High: 82 °F
Partly Sunny
Monday Night
Low: 63 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

Tonight

A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. Light southeast wind. New rainfall amounts between a quarter and half of an inch possible.

Friday

A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 88. Heat index values as high as 96. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly before midnight. Increasing clouds, with a low around 66. Calm wind.

Saturday

Partly sunny, with a high near 86. Light east wind.

Saturday Night

Partly cloudy, with a low around 61. Calm wind.

Sunday

Partly sunny, with a high near 83. Light east wind.

Sunday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. Light southeast wind.

Labor Day

Partly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the morning.

Monday Night

A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 63. Southeast wind around 7 mph, with gusts as high as 20 mph.

Tuesday

A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 85. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. South wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Wednesday

A 20 percent chance of showers. Partly sunny, with a high near 86. Light southwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

Wednesday Night

A 30 percent chance of showers. Partly cloudy, with a low around 61. Southwest wind around 6 mph becoming calm in the evening.

Thursday

A 20 percent chance of showers. Mostly sunny, with a high near 80. Calm wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.