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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.

Overcast

57°F

14°C

Humidity 96%
Wind Speed Calm
Barometer 30.09 in (1019.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 18 Aug 2:53 am CDT
Extended Forecast for

Bayfield WI

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Cloudy, with a steady temperature around 62. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms, mainly between 9am and 5pm. Mostly cloudy, with a high near 73. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming northwest after midnight.

    Low: 64 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Northwest wind around 5 mph.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 62. East wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming east around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. East wind around 5 mph becoming south after midnight.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. South wind around 5 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Cloudy, with a steady temperature around 62. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms, mainly between 9am and 5pm. Mostly cloudy, with a high near 73. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming northwest after midnight.
Tuesday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Northwest wind around 5 mph.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 62. East wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 75. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. East wind around 5 mph becoming south after midnight.
Thursday
Sunny, with a high near 81. South wind around 5 mph.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
A slight chance of showers before 1pm. Mostly sunny, with a high near 78. West wind around 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 61. West wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 70. Breezy, with a west wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 56. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 68. Northwest wind around 10 mph, with gusts as high as 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bayfield WI
 46.81°N 90.81°W
Last Update:
2:56 am CDT Aug 18, 2025
Forecast Valid:
3am CDT Aug 18, 2025-6pm CDT Aug 24, 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