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

Hazardous Weather Conditions

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Overcast

63°F

17°C

Humidity 71%
Wind Speed S 9 mph
Barometer 30.01 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 21 Aug 5:35 am CDT
Extended Forecast for

Portage WI

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 79. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming northwest in the evening.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Northwest wind 5 to 15 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. Northwest wind around 5 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Northwest wind around 5 mph becoming calm.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Calm wind.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 5 mph.
Friday
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 79. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming northwest in the evening.
Saturday
Sunny, with a high near 78. Northwest wind 5 to 15 mph.
Saturday Night
Mostly clear, with a low around 53. Northwest wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 51. Northwest wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 77. Calm wind.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portage WI
 43.55°N 89.46°W (Elev. 791 ft)
Last Update:
3:32 am CDT Aug 21, 2026
Forecast Valid:
5am CDT Aug 21, 2026-6pm CDT Aug 27, 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