National Weather Service United States Department of Commerce

Heavy lake-effect snow continues across lower Great Lakes

Another round of heavy lake-effect snow is forecast for the Great Lakes through mid-day Friday. An additional 30 inches or more could fall in some locations, on top of the impressive amounts that have fallen already. This will result in very difficult or nearly impossible travel at times in the heaviest snow bands. The snow should taper off during the morning on Friday.
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Current Conditions

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South Lyon MI

7 Day Forecast

For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

This
Afternoon

Snow Chance for Measurable Precipitation 80%

Snow

High: 24 °F

Tonight

Snow Chance for Measurable Precipitation 80%

Snow

Low: 12 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 24 °F

Friday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 18 °F

Saturday

Wintry Mix Chance for Measurable Precipitation 50%

Wintry
Mix

High: 40 °F

Saturday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 37 °F

Sunday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 45 °F

Sunday
Night

Showers

Showers

Low: 42 °F

Monday

Showers

Showers

High: 49 °F

Detailed Forecast

  • This Afternoon Periods of snow showers. High near 24. West wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
  • Tonight Periods of snow showers, mainly before midnight. Low around 12. West wind 5 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
  • Friday Mostly sunny, with a high near 24. West wind around 6 mph.
  • Friday Night A chance of snow showers after 4am. Mostly cloudy, with a low around 18. South southwest wind 6 to 8 mph. Chance of precipitation is 30%.
  • Saturday A chance of snow showers and freezing rain before 8am, then a chance of rain or freezing rain between 8am and 11am, then a chance of rain showers after 11am. Cloudy, with a high near 40. South southwest wind around 9 mph. Chance of precipitation is 50%.
  • Saturday Night Showers likely, mainly after 2am. Cloudy, with a low around 37. Chance of precipitation is 60%.
  • Sunday Showers likely. Cloudy, with a high near 45. Chance of precipitation is 70%.
  • Sunday Night Showers. Cloudy, with a low around 42.
  • Monday Showers. Cloudy, with a high near 49.
  • Monday Night A chance of rain and snow showers. Cloudy, with a low around 30.
  • Tuesday A chance of rain and snow showers. Cloudy, with a high near 35.
  • Tuesday Night A chance of snow showers. Cloudy, with a low around 25.
  • Wednesday Mostly cloudy, with a high near 33.