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

Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Fair

81°F

27°C

Humidity 68%
Wind Speed SW 9 mph
Barometer 29.97 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 4 Aug 3:35 pm CDT
Extended Forecast for

4 Miles WNW Lake Delton WI

  • This Afternoon

    This Afternoon: A 10 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 82. West wind around 10 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 8am. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming northwest around 5 mph.

    High: 78 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming southeast around 5 mph.

    High: 81 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. South wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Light south wind increasing to 5 to 10 mph in the morning.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers. Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph.

    Low: 61 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 82. West wind around 10 mph.
Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers, mainly before 8am. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming northwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 53. Calm wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming southeast around 5 mph.
Thursday Night
Mostly clear, with a low around 56. South wind around 5 mph becoming calm.
Friday
Sunny, with a high near 82. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 40%.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Lake Delton WI
 43.6°N 89.87°W (Elev. 978 ft)
Last Update:
2:46 pm CDT Aug 4, 2026
Forecast Valid:
3pm CDT Aug 4, 2026-6pm CDT Aug 11, 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