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

Eagle River Union Airport (KEGV)

Lat: 45.93°NLon: 89.27°WElev: 1637ft.

Fair

22°F

-6°C

Humidity 73%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 29 Mar 2:55 am CDT
Extended Forecast for

Argonne WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. West southwest wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 56. South southwest wind 3 to 7 mph.

    High: 56 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. South wind around 5 mph becoming calm after midnight.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 54. Calm wind becoming east 5 to 8 mph in the morning.

    High: 54 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 33. East wind around 7 mph. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of rain showers before 4pm, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 10 percent chance of snow showers before 7pm. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. West southwest wind around 6 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 56. South southwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 34. South wind around 5 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 54. Calm wind becoming east 5 to 8 mph in the morning.
Monday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 33. East wind around 7 mph. Chance of precipitation is 40%.
Tuesday
A chance of rain showers before 4pm, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Tuesday Night
A 10 percent chance of snow showers before 7pm. Mostly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 39.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Friday Night
A chance of rain or freezing rain. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Saturday
Rain or freezing rain likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Argonne WI
 45.65°N 88.88°W (Elev. 1604 ft)
Last Update:
2:31 am CDT Mar 29, 2026
Forecast Valid:
3am CDT Mar 29, 2026-6pm CDT Apr 4, 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