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

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Fair

65°F

18°C

Humidity 83%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 Aug 9:15 pm CDT
Extended Forecast for

Portage WI

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Southwest wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 78. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 55. West wind around 5 mph becoming calm.

    Low: 55 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Calm wind becoming northwest around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. Southwest wind around 5 mph.
Tuesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 78. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 55. West wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 77. Calm wind becoming northwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 54. Calm wind.
Thursday
Sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. South wind around 5 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 58.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portage WI
 43.55°N 89.46°W (Elev. 791 ft)
Last Update:
9:12 pm CDT Aug 17, 2026
Forecast Valid:
9pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation