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

Hazardous Weather Conditions

Current conditions at

Eagle River Union Airport (KEGV)

Lat: 45.93°NLon: 89.27°WElev: 1637ft.

Fair

44°F

7°C

Humidity 78%
Wind Speed E 3 mph
Barometer 30.45 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 23 Sep 12:35 am CDT
Extended Forecast for

Argonne WI

Frost Advisory September 23, 01:00am until September 23, 07:00am
Click here for hazard details and duration
Frost Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy frost before 7am. Otherwise, sunny, with a high near 63. Calm wind becoming east southeast 5 to 7 mph in the morning.

    High: 63 °F

    Patchy Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 41. East southeast wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 63. Calm wind becoming south southeast around 6 mph in the morning.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 37. Calm wind.
Wednesday
Patchy frost before 7am. Otherwise, sunny, with a high near 63. Calm wind becoming east southeast 5 to 7 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 41. East southeast wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 63. Calm wind becoming south southeast around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 43. Light and variable wind.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 65.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 46.
Sunday
Mostly cloudy, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 70.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Argonne WI
 45.65°N 88.88°W (Elev. 1604 ft)
Last Update:
12:12 am CDT Sep 23, 2026
Forecast Valid:
12am CDT Sep 23, 2026-6pm CDT Sep 29, 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