Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Overcast

64°F

18°C

Humidity 86%
Wind Speed E 6 mph
Barometer 30.24 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Sep 1:35 pm CDT
Extended Forecast for

Wisconsin Dells WI

Flood Watch September 19, 01:00am until September 19, 01:00pm
Click here for hazard details and duration
Flood Watch
  • This Afternoon

    This Afternoon: A 50 percent chance of showers.  Cloudy, with a high near 66. East wind around 10 mph.

    High: 66 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall.  Low around 55. East wind 10 to 15 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 55 °F

    Showers
    Likely then
    Heavy Rain

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers likely and possibly a thunderstorm after 11am.  Cloudy, with a high near 69. East wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers, mainly before 10pm.  Low around 53. Northeast wind around 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 67. Northeast wind 10 to 15 mph.

    High: 67 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. Northeast wind around 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers.  Mostly cloudy, with a high near 62. East wind around 10 mph.

    High: 62 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 44. Northeast wind 5 to 10 mph.

    Low: 44 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers. Cloudy, with a high near 66. East wind around 10 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 55. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers likely and possibly a thunderstorm after 11am. Cloudy, with a high near 69. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers, mainly before 10pm. Low around 53. Northeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 67. Northeast wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 48. Northeast wind around 10 mph.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 62. East wind around 10 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 44. Northeast wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Wisconsin Dells WI
 43.62°N 89.78°W (Elev. 902 ft)
1:35 pm CDT Sep 18, 2026
1pm CDT Sep 18, 2026-6pm CDT Sep 24, 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