SOUTH LYON, MI 48178 Weather Forecast & Current Conditions
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  48178 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

ANN ARBOR, MI
Current Weather
4:53 AM EDT JUN 26, 2025
Clear
64°F
Feels Like: 64°F
Dewpoint: 63°F
Rel. Hum.: 97%
Visibility: 7 miles
Wind: Calm
Pressure: 30.03 inches
Last 72 hours

Local Area Snow Depth

Michigan Current Weather

Michigan MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  48178 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

SOUTH LYON, MI 48178
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 60 percent. Heat index readings in the mid 90s.
TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
FRIDAY
Partly cloudy. A chance of showers and thunderstorms in the morning, then showers and a chance of thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 15 mph. Chance of rain 80 percent. Heat index readings in the mid 90s.
FRIDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. West winds 5 to 10 mph. Chance of rain 50 percent.
SATURDAY
Partly cloudy in the morning then clearing. Highs in the lower 80s. Northwest winds 5 to 10 mph.
SATURDAY NIGHT
Mostly clear. Lows in the lower 60s.
SUNDAY
Mostly sunny. Highs in the upper 80s. Heat index readings in the lower 90s.
SUNDAY NIGHT
Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows around 70. Chance of rain 30 percent.
MONDAY
Partly cloudy with a chance of showers in the morning, then mostly cloudy with showers likely and a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 70 percent. Heat index readings in the lower 90s.
MONDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the mid 60s. Chance of rain 40 percent.
TUESDAY
Mostly sunny. Highs in the mid 80s.
TUESDAY NIGHT
Mostly clear. Lows in the lower 60s.
WEDNESDAY
Mostly sunny. Highs in the lower 80s.

  48178 WEATHER SATELLITE LOOPS
Visible Weather Satellite
SOUTH LYON, MI 48178
Infrared Weather Satellite
SOUTH LYON, MI 48178
  48178 WEATHER RADAR LOOP
NEXRAD Weather Radar
SOUTH LYON, MI 48178
 MOS COMPUTER WEATHER FORECAST

ANN ARBOR, MI 3 hourly weather forecast
weather forecast created  7:00 PM CDT  6/25/2025
Thursday
26 JUN 2025		 SOUTH LYON, MI 48178 weather forecast Day 1, 0 hours 2 AM 66° 66° Partly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 11% severe)		 ENE   1 93% 64°
Low 64° SOUTH LYON, MI 48178 weather forecast Day 1, 3 hours 5 AM 65° 65° Partly Cloudy ESE   1 90% 62°
High 87° SOUTH LYON, MI 48178 weather forecast Day 1, 6 hours 8 AM 70° 70° Partly Cloudy 34%
RAIN
1–2 in		 0% Thunder
( 29% severe)		 S   2 84% 65°

Partly Cloudy

Rain Likely

 SOUTH LYON, MI 48178 weather forecast Day 1, 9 hours 11 AM 80° 84° Partly Cloudy SW   5 77% 72°
SOUTH LYON, MI 48178 weather forecast Day 1, 12 hours 2 PM 85° 93° Partly Cloudy 64%
RAIN
***		 0% Thunder
( 59% severe)		 SW   7 70% 74°
SOUTH LYON, MI 48178 weather forecast Day 1, 15 hours 5 PM 85° 92° Mostly Cloudy SW   6 67% 73°
SOUTH LYON, MI 48178 weather forecast Day 1, 18 hours 8 PM 81° 85° Mostly Cloudy 44%
RAIN
***		 0% Thunder
( 44% severe)		 S   5 74% 72°
SOUTH LYON, MI 48178 weather forecast Day 1, 21 hours 11 PM 73° 73° Mostly Cloudy SSW   3 90% 70°
Friday
27 JUN 2025		 SOUTH LYON, MI 48178 weather forecast Day 2, 0 hours 2 AM 70° 70° Mostly Cloudy 19%
RAIN
***		 0% Thunder
( 20% severe)		 SSW   3 97% 69°
Low 68° SOUTH LYON, MI 48178 weather forecast Day 2, 3 hours 5 AM 69° 69° Mostly Cloudy S   5 97% 68°
High 88° SOUTH LYON, MI 48178 weather forecast Day 2, 6 hours 8 AM 74° 74° Mostly Cloudy 23%
RAIN
<.01 in		 0% Thunder
( 22% severe)		 SSW   6 90% 71°

Mostly Cloudy

Rain Likely

 SOUTH LYON, MI 48178 weather forecast Day 2, 9 hours 11 AM 82° 87° Partly Cloudy SW   9 74% 73°
SOUTH LYON, MI 48178 weather forecast Day 2, 12 hours 2 PM 86° 92° Partly Cloudy 59%
RAIN
***		 0% Thunder
( 53% severe)		 SW   12 63% 72°
SOUTH LYON, MI 48178 weather forecast Day 2, 15 hours 5 PM 85° 91° Mostly Cloudy SW   10 65% 72°
SOUTH LYON, MI 48178 weather forecast Day 2, 18 hours 8 PM 79° 82° Mostly Cloudy 40%
RAIN
>2 in		 0% Thunder
( 33% severe)		 WSW   8 74% 70°
SOUTH LYON, MI 48178 weather forecast Day 2, 21 hours 11 PM 71° 71° Mostly Cloudy W   6 93% 69°

ANN ARBOR, MI extended weather forecast
Saturday
28 JUN 2025		 Sunday
29 JUN 2025		 Monday
30 JUN 2025		 Tuesday
1 JUL 2025		 Wednesday
2 JUL 2025
Low 66° Low 59° Low 64° Low 61° Low 56°
High 83° High 87° High 88° High 84° High 84°
SOUTH LYON, MI 48178 weather forecast Day 3 SOUTH LYON, MI 48178 weather forecast Day 4 SOUTH LYON, MI 48178 weather forecast Day 5 SOUTH LYON, MI 48178 weather forecast Day 6 SOUTH LYON, MI 48178 weather forecast Day 7
Mostly Cloudy
42% Rain		 Partly Cloudy
6% Rain		 Mostly Cloudy
53% Rain		 Mostly Cloudy
42% Rain		 Partly Cloudy
27% Rain
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