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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

John F Kennedy Memorial Airport (KASX)

Lat: 46.55°NLon: 90.92°WElev: 814ft.

A Few Clouds

67°F

19°C

Humidity 71%
Wind Speed NE 12 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Aug 10:53 am CDT
Extended Forecast for

Port Wing WI

  • Today

    Today: Mostly sunny, with a high near 69. Breezy, with an east wind around 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 60. Breezy, with an east wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 60 °F

    Chance
    T-storms and
    Breezy then
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 75. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 63. Northeast wind around 5 mph.

    Low: 63 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 74. Northeast wind around 5 mph.

    High: 74 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 79. Calm wind.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 69. Breezy, with an east wind around 15 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 60. Breezy, with an east wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Monday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 75. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 63. Northeast wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 74. Northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 79. Calm wind.
Wednesday Night
Mostly clear, with a low around 62. Calm wind.
Thursday
Sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Southwest wind around 5 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Southwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 60. West wind around 5 mph.
Saturday
Sunny, with a high near 77. West wind 5 to 10 mph, with gusts as high as 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Wing WI
 46.78°N 91.4°W
Last Update:
10:10 am CDT Aug 17, 2025
Forecast Valid:
11am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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