Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Overcast

70°F

21°C

Humidity 92%
Wind Speed W 5 mph
Barometer 29.99 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 15 Sep 9:55 am CDT
Extended Forecast for

Portage WI

  • Today

    Today: A 20 percent chance of showers before noon.  Mostly cloudy, with a high near 74. West wind 10 to 15 mph.

    High: 74 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. West wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Northeast wind around 5 mph becoming east in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Increasing clouds, with a low around 55. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 73. Calm wind becoming north around 5 mph.

    High: 73 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 54. Calm wind becoming east around 5 mph.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 1pm.  Mostly cloudy, with a high near 70. East wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 57. Southeast wind around 10 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 57 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Showers

Detailed Forecast

Today
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 74. West wind 10 to 15 mph.
Tonight
Mostly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 70. Northeast wind around 5 mph becoming east in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 55. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Thursday
Mostly cloudy, with a high near 73. Calm wind becoming north around 5 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54. Calm wind becoming east around 5 mph.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 70. East wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 57. Southeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 73. Chance of precipitation is 80%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Portage WI
 43.53°N 89.46°W (Elev. 787 ft)
8:36 am CDT Sep 15, 2026
10am CDT Sep 15, 2026-6pm CDT Sep 21, 2026
 
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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