National Weather Service United States Department of Commerce

On Saturday, severe weather will be possible across portions of the northern Plains while dry and hot conditions begin returning to the West.

Severe weather is possible over parts of the northern Plains on Saturday. During the late afternoon and early evening hours, large hail and isolated tornadoes will be the primary threats with damaging winds becoming the greatest threat in the late evening hours. Out west, hot and dry conditions begin to return bringing increased heat dangers and fire weather concerns.
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Hazardous Weather Conditions

Current Conditions

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South Lyon MI

7 Day Forecast

For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

Today

Heavy Rain Chance for Measurable Precipitation 60%

Heavy
Rain

High: 85 °F

Tonight

Heavy Rain Chance for Measurable Precipitation 60%

Heavy
Rain

Low: 68 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 83 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 67 °F

Labor
Day

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 85 °F

Monday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 70 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 78 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 79 °F

Detailed Forecast

  • Today Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 85. South southwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Tonight Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rain. Cloudy, with a low around 68. Breezy, with a south southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Sunday A chance of showers and thunderstorms before 9am. Mostly cloudy, with a high near 83. West southwest wind around 9 mph. Chance of precipitation is 30%.
  • Sunday Night Mostly cloudy, with a low around 67. Light west southwest wind.
  • Labor Day Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 85. South southwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
  • Monday Night Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
  • Tuesday A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
  • Tuesday Night Partly cloudy, with a low around 60.
  • Wednesday Mostly sunny, with a high near 79.
  • Wednesday Night Partly cloudy, with a low around 62.
  • Thursday Mostly sunny, with a high near 82.
  • Thursday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
  • Friday Partly sunny, with a high near 81.