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

55°F

13°C

Humidity 94%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 29 Aug 3:15 am CDT
Extended Forecast for

Portage WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 60. Calm wind becoming south around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 4pm. High near 71. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 10pm and 3am. Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph.

    Low: 65 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southeast wind around 5 mph.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Partly sunny, with a high near 87. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 60. Calm wind becoming south around 5 mph.
Saturday
Showers, with thunderstorms also possible after 4pm. High near 71. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between 10pm and 3am. Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 84. South wind 5 to 10 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southeast wind around 5 mph.
Monday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Partly sunny, with a high near 87. South wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 82.
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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:
2:36 am CDT Aug 29, 2026
Forecast Valid:
3am CDT Aug 29, 2026-6pm CDT Sep 4, 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