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

Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane Thursday as it moves north toward the Big Island of Hawaii. Heavy rainfall will continue through Saturday, with locally catastrophic flooding possible. Hurricane Watch in effect. Read More >

Hazardous Weather Conditions

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Overcast

56°F

13°C

Humidity 82%
Wind Speed NE 6 mph
Barometer 30.41 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 23 Sep 8:55 pm CDT
Extended Forecast for

Portage WI

  • Tonight

    Tonight: Mostly clear, with a low around 47. East wind around 5 mph becoming calm.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 67. Calm wind becoming east around 5 mph in the morning.

    High: 67 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51. East wind around 5 mph becoming calm.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 66. Calm wind.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. East wind around 5 mph becoming calm.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 67. Calm wind becoming east around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 51. East wind around 5 mph becoming calm.
Friday
Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 46. Calm wind.
Saturday
Partly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 48. Calm wind.
Sunday
Mostly cloudy, with a high near 66. Calm wind.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 69.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portage WI
 43.55°N 89.49°W (Elev. 787 ft)
Last Update:
8:36 pm CDT Sep 23, 2026
Forecast Valid:
9pm CDT Sep 23, 2026-6pm CDT Sep 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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