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August 2026 Upper Mississippi River Valley Weather Summary

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

New Lisbon Mauston Airport (K82C)

Lat: 43.84°NLon: 90.14°WElev: 906ft.

Overcast

74°F

23°C

Humidity	90%
Wind Speed	SE 7 mph
Barometer	29.92 in
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	3 Sep 10:55 pm CDT

More Information:

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

Extended Forecast for

Friendship WI

Tonight
Low: 71 °F
Showers
Likely
Friday
High: 87 °F
Showers
Likely then
Mostly Sunny
Friday Night
Low: 65 °F
Chance
Showers
Saturday
High: 82 °F
Decreasing
Clouds
Saturday Night
Low: 59 °F
Partly Cloudy
Sunday
High: 81 °F
Mostly Sunny
Sunday Night
Low: 58 °F
Partly Cloudy
Labor Day
High: 79 °F
Partly Sunny
Monday Night
Low: 61 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a steady temperature around 71. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers likely and possibly a thunderstorm before 7am, then a slight chance of showers between 7am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 87. Light and variable wind becoming southeast around 5 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms. Increasing clouds, with a low around 65. Light and variable wind. Chance of precipitation is 40%.

Saturday

Cloudy, then gradually becoming mostly sunny, with a high near 82. Calm wind becoming east around 5 mph in the morning.

Saturday Night

Partly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.

Sunday

Mostly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.

Labor Day

Partly sunny, with a high near 79. 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 61. Southeast wind 6 to 8 mph.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South wind 8 to 10 mph, with gusts as high as 21 mph.

Tuesday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 66. South wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

Wednesday

Partly sunny, with a high near 84. West wind 6 to 10 mph, with gusts as high as 21 mph.

Wednesday Night

A 30 percent chance of showers. Partly cloudy, with a low around 60. Southwest wind 5 to 7 mph.

Thursday

Mostly sunny, with a high near 77. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.