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.

Overcast

46°F

8°C

Humidity 51%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 22 May 2:15 am CDT
Extended Forecast for

Argonne WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. Light east wind.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63. East southeast wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. East southeast wind 7 to 13 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 65. Southeast wind around 8 mph, with gusts as high as 18 mph.

    High: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 47. South southeast wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 75. Chance of precipitation is 20%.

    High: 75 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 49. Chance of precipitation is 10%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 82.

    High: 82 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. Light east wind.
Friday
Partly sunny, with a high near 63. East southeast wind 6 to 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 43. East southeast wind 7 to 13 mph, with gusts as high as 26 mph.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 65. Southeast wind around 8 mph, with gusts as high as 18 mph.
Saturday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 47. South southeast wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 75. Chance of precipitation is 20%.
Sunday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 49. Chance of precipitation is 10%.
Memorial Day
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 55.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
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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:
1:56 am CDT May 22, 2026
Forecast Valid:
2am CDT May 22, 2026-6pm CDT May 28, 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