National Weather Service United States Department of Commerce

The flash flooding threat shifts slightly east on Friday while both coasts and Hawaii continue high surf issues due to tropical systems

The potential for heavy rainfall and flash flooding will shift east on Friday across parts of the Upper Midwest into the eastern Great Lakes. Meanwhile, portions of both the East and West Coasts, as well as Hawaii, will continue to have high surf and rip current potential due to Hurricane Cristobal and Tropical Storm Marie respectively. Caution should be used on area beaches.
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Current Conditions

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3 Miles SW Portage WI

7 Day Forecast

For More Weather Information:

Milwaukee, WI Local Forecast Office

Overnight

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 62 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 84 °F

Friday
Night

Thunderstorms Chance for Measurable Precipitation 80%

Thunderstorms

Low: 66 °F

Saturday

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 79 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 61 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 81 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 66 °F

Labor
Day

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 78 °F

Monday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 58 °F

Detailed Forecast

  • Overnight A chance of showers, with thunderstorms also possible after 2am. Cloudy, with a low around 62. Southeast wind around 5 mph. Chance of precipitation is 30%.
  • Friday A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. South wind 5 to 10 mph.
  • Friday Night Showers and thunderstorms. Low around 66. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
  • Saturday Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 79. Southwest wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
  • Saturday Night Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.
  • Sunday Mostly sunny, with a high near 81. South wind 5 to 10 mph.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 5 to 10 mph. Chance of precipitation is 50%.
  • Labor Day Showers and thunderstorms likely. Cloudy, then gradually becoming mostly sunny, with a high near 78. South wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
  • Monday Night A slight chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
  • Tuesday A 20 percent chance of showers. Mostly sunny, with a high near 77.
  • Tuesday Night Partly cloudy, with a low around 59.
  • Wednesday Mostly sunny, with a high near 79.
  • Wednesday Night A 20 percent chance of showers. Partly cloudy, with a low around 60.
  • Thursday A 30 percent chance of showers. Mostly sunny, with a high near 82.