National Weather Service United States Department of Commerce

The flash flooding threat will begin moving east out of the Plains into the Upper Midwest and Great Lakes on Thursday

Flash flooding will continue to be possible on Thursday but will begin moving out of the central and northern Plains. The area of concern will be the Upper Midwest edging into the the eastern Great Lakes region. 1 to 2 inches of rainfall will be possible into Friday.
Read More...

Current Conditions

En Español

Share |

Saint Clair MI

7 Day Forecast

For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: 53 °F

Thursday

Sunny

Sunny

High: 71 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 53 °F

Friday

Mostly Cloudy

Mostly
Cloudy

High: 77 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 64 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 82 °F

Saturday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 68 °F

Sunday

Chance Thunderstorms

Chance
Thunderstorms

High: 78 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 63 °F

Detailed Forecast

  • Tonight Partly cloudy, with a low around 53. North northeast wind around 5 mph becoming calm in the evening.
  • Thursday Sunny, with a high near 71. Light north northwest wind increasing to 5 to 10 mph in the morning.
  • Thursday Night Mostly clear, with a low around 53. Northeast wind 5 to 7 mph.
  • Friday Mostly cloudy, with a high near 77. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 22 mph.
  • Friday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South southeast wind around 11 mph. Chance of precipitation is 50%.
  • Saturday A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
  • Saturday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
  • Sunday A chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
  • Sunday Night Partly cloudy, with a low around 63.
  • Labor Day A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
  • Monday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
  • Tuesday Partly sunny, with a high near 80.
  • Tuesday Night Partly cloudy, with a low around 63.
  • Wednesday Sunny, with a high near 79.