Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Partly Cloudy

70°F

21°C

Humidity 84%
Wind Speed Calm
Barometer 29.75 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 18 Jun 6:55 pm CDT
Extended Forecast for

Portage WI

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers.  Mostly cloudy, with a low around 62. West wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 85. West wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 64. West wind around 5 mph becoming south after midnight.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am.  Partly sunny, with a high near 84. Southwest wind 5 to 10 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 73. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny and hot, with a high near 94. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 94 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 77. Southwest wind around 10 mph.

    Low: 77 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Southwest wind 10 to 15 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 62. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Mostly sunny, with a high near 85. West wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. West wind around 5 mph becoming south after midnight.
Friday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny and hot, with a high near 94. Southwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 77. Southwest wind around 10 mph.
Sunday
Sunny and hot, with a high near 95. Southwest wind 10 to 15 mph.
Sunday Night
Clear, with a low around 77.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 93.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Portage WI
 43.55°N 89.46°W (Elev. 791 ft)
6:09 pm CDT Jun 18, 2025
7pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025
 
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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