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

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 >

Hazardous Weather Conditions

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Overcast

62°F

17°C

Humidity 77%
Wind Speed NE 10 G 18 mph
Barometer 30.10 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Sep 12:55 pm CDT
Extended Forecast for

Lake Delton WI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 66. Northeast wind around 15 mph.

    High: 66 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Northeast wind around 10 mph.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 62. East wind around 10 mph.

    High: 62 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. Northeast wind 5 to 10 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. East wind 5 to 10 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. East wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. East wind 5 to 10 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. East wind around 5 mph becoming calm.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 66. Northeast wind around 15 mph.
Tonight
Mostly cloudy, with a low around 49. Northeast wind around 10 mph.
Monday
Mostly cloudy, with a high near 62. East wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 43. Northeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 61. East wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 41. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 65. East wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 42. East wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Delton WI
 43.6°N 89.78°W (Elev. 886 ft)
Last Update:
12:31 pm CDT Sep 20, 2026
Forecast Valid:
12pm CDT Sep 20, 2026-6pm CDT Sep 26, 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