National Weather Service United States Department of Commerce

Tropical Storm Bertha moving toward northeastern Caribbean

The National Hurricane Center is currently monitoring Tropical Storm Bertha as it moves toward the northeastern Caribbean, with maximum sustained winds of 45 mph. A Tropical Storm Warning is in effect for Puerto Rico and the U.S. Virgin Islands, with Bertha expected to pass just south of Puerto Rico on Saturday, before eventually curving to the north and northeast, away from the U.S. mainland.
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Hazardous Weather Conditions

Current Conditions

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Port Sanilac MI

7 Day Forecast

For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

Today

Scattered Thunderstorms Chance for Measurable Precipitation 40%

Scattered
Thunderstorms

High: 76 °F

Tonight

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 60 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 73 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 60 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 76 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 61 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 76 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Tuesday

Chance Thunderstorms

Chance
Thunderstorms

High: 73 °F

Detailed Forecast

  • Today Scattered showers and thunderstorms. Partly sunny, with a high near 76. South southwest wind 5 to 7 mph. Chance of precipitation is 40%.
  • Tonight A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Calm wind becoming east northeast around 6 mph in the evening. Chance of precipitation is 40%.
  • Saturday A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 73. Light northeast wind. Chance of precipitation is 30%.
  • Saturday Night A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. Light north northeast wind. Chance of precipitation is 30%.
  • Sunday Mostly sunny, with a high near 76. Calm wind becoming north 5 to 7 mph in the afternoon.
  • Sunday Night Partly cloudy, with a low around 61.
  • Monday A chance of showers and thunderstorms after 9am. Partly sunny, with a high near 76. Chance of precipitation is 30%.
  • Monday Night Partly cloudy, with a low around 60.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 73.
  • Tuesday Night Mostly cloudy, with a low around 59.
  • Wednesday A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
  • Wednesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
  • Thursday A chance of showers and thunderstorms. Partly sunny, with a high near 73.