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100 F heat from Utah to the Dakotas; 90-100 from Minnesota to Pennsylvania this week. Click for more. Chevron right
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South Lyon, MI

82°F
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South Lyon

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South Lyon, MI Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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July 12 - July 26

Sun 7/12

84° /59°
0%
Sunny

RealFeel®92°

RealFeel Shade™82°

Max UV Index10.0 (Very High)

WindENE 6 mph

Mon 7/13

92° /66°
0%
Mostly sunny and hot; caution advised if doing strenuous activities outside

RealFeel®96°

RealFeel Shade™90°

Max UV Index10.0 (Very High)

WindW 6 mph

Tue 7/14

98° /70°
3%
Mostly sunny and very hot; danger of dehydration and heatstroke if outside for extended periods of time

RealFeel®104°

RealFeel Shade™100°

Max UV Index10.0 (Very High)

WindWSW 9 mph

Wed 7/15

95° /64°
15%
Mostly sunny and toasty conditions; danger of dehydration and heatstroke if outside for extended periods of time

RealFeel®104°

RealFeel Shade™94°

Max UV Index10.0 (Very High)

WindNW 6 mph

Thu 7/16

91° /65°
10%
Intervals of clouds and sunshine, hot and less humid; possible danger of dehydration and heatstroke while doing strenuous activities

RealFeel®95°

RealFeel Shade™89°

Max UV Index8.0 (Very High)

WindNW 5 mph

Fri 7/17

88° /67°
55%
Shifting clouds and sun with a thunderstorm; warm

RealFeel®92°

RealFeel Shade™86°

Max UV Index9.0 (Very High)

WindSSW 6 mph

Hours of Precipitation1

Hours of Rain1

Sat 7/18

86° /65°
62%
Cloudy most of the time; a couple of morning showers followed by a thunderstorm in parts of the area in the afternoon

RealFeel®87°

RealFeel Shade™84°

Max UV Index4.0 (Moderate)

WindW 12 mph

Hours of Precipitation2.5

Hours of Rain2.5

Sun 7/19

82° /62°
73%
Cloudy and humid with a couple of thunderstorms, especially early in the day

RealFeel®99°

RealFeel Shade™90°

Max UV Index5.0 (Moderate)

WindSW 6 mph

Hours of Precipitation3.5

Hours of Rain3.5

Mon 7/20

80° /58°
55%
A shower in places in the morning; otherwise, humid with decreasing clouds

RealFeel®82°

RealFeel Shade™77°

Max UV Index7.0 (High)

WindNW 14 mph

Hours of Precipitation1

Hours of Rain1

Tue 7/21

78° /59°
49%
Partly sunny with a thunderstorm in parts of the area in the afternoon

RealFeel®81°

RealFeel Shade™76°

Max UV Index10.0 (Very High)

WindW 9 mph

Hours of Precipitation0.5

Hours of Rain0.5

Wed 7/22

79° /62°
1%
Mostly cloudy

RealFeel®81°

RealFeel Shade™77°

Max UV Index5.0 (Moderate)

WindESE 2 mph

Thu 7/23

79° /59°
55%
A bit of morning rain; otherwise, mostly cloudy

RealFeel®83°

RealFeel Shade™81°

Max UV Index10.0 (Very High)

WindSE 7 mph

Hours of Precipitation1

Hours of Rain1

Fri 7/24

81° /61°
56%
Mostly cloudy with a bit of rain

RealFeel®81°

RealFeel Shade™78°

Max UV Index5.0 (Moderate)

WindS 10 mph

Hours of Precipitation2.5

Hours of Rain2.5

Sat 7/25

80° /60°
10%
Sunny

RealFeel®89°

RealFeel Shade™80°

Max UV Index9.0 (Very High)

WindSE 4 mph

Sun 7/26

86° /65°
25%
Partly sunny, warm and humid

RealFeel®98°

RealFeel Shade™89°

Max UV Index9.0 (Very High)

WindSSW 4 mph

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World North America United States Michigan South Lyon

Weather Near South Lyon:

  • Detroit, MI
  • Sterling Heights, MI
  • Warren, MI
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