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

Hazardous Weather Conditions

Current conditions at

John F Kennedy Memorial Airport (KASX)

Lat: 46.55°NLon: 90.92°WElev: 814ft.

Partly Cloudy

74°F

23°C

Humidity 57%
Wind Speed NA
Barometer 30.05 in (1017.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 27 Aug 11:53 am CDT
Extended Forecast for

Marengo WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Calm wind becoming north around 5 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A 10 percent chance of showers after 5am. Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 80. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.

    High: 83 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers after 1pm. Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Calm wind becoming north around 5 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 49. Calm wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A 10 percent chance of showers after 5am. Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 80. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers after 1pm. Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marengo WI
 46.43°N 90.8°W
Last Update:
12:46 pm CDT Aug 27, 2026
Forecast Valid:
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 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