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
7:53 AM EDT MAY 4, 2025
Overcast
46°F
Feels Like: 39°F
Dewpoint: 34°F
Rel. Hum.: 63%
Visibility: 10 miles
Wind: NNE at 15 mph, gusts to 24
Pressure: 29.89 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
2024 Hurricanes

SOUTH LYON, MI 48178
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
EARLY THIS MORNING
Mostly cloudy. Near steady temperature around 40. Northeast winds 10 to 15 mph with gusts up to 25 mph.
TODAY
Showers. Highs in the mid 50s. Northeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.
TONIGHT
Showers and a slight chance of thunderstorms in the evening, then showers after midnight. Near steady temperature in the upper 40s. Northeast winds 5 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
MONDAY
Not as cool. Showers likely. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. East winds 5 to 10 mph. Chance of rain 70 percent.
MONDAY NIGHT
Rain likely and a slight chance of thunderstorms in the evening, then a chance of rain and thunderstorms after midnight. Lows around 50. Northeast winds up to 5 mph, becoming west after midnight. Chance of rain 60 percent.
TUESDAY
Rain likely. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Southwest winds up to 5 mph. Chance of rain 70 percent.
TUESDAY NIGHT
Partly cloudy. Lows in the lower 50s.
WEDNESDAY
Partly cloudy. A slight chance of rain in the afternoon. Highs in the lower 70s. Chance of rain 20 percent.
WEDNESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 40s.
THURSDAY
Cooler. Mostly sunny. Highs in the lower 60s.
THURSDAY NIGHT
Clear. Lows in the lower 40s.
FRIDAY
Mostly sunny. Highs around 70.
FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s.

  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  5/ 3/2025
Sunday
4 MAY 2025		 SOUTH LYON, MI 48178 weather forecast Day 1, 0 hours 2 AM 43° 38° Mostly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 1% severe)		 NNE   9 68% 33°
Low 41° SOUTH LYON, MI 48178 weather forecast Day 1, 3 hours 5 AM 42° 36° Mostly Cloudy NNE   10 70% 33°
High 55° SOUTH LYON, MI 48178 weather forecast Day 1, 6 hours 8 AM 44° 38° Mostly Cloudy 74%
RAIN
***		 0% Thunder
( 5% severe)		 NNE   12 70% 35°

Mostly Cloudy

Rain

 SOUTH LYON, MI 48178 weather forecast Day 1, 9 hours 11 AM 52° 47° Mostly Cloudy NE   14 63% 40°
SOUTH LYON, MI 48178 weather forecast Day 1, 12 hours 2 PM 52° 47° Mostly Cloudy 92%
RAIN
***		 0% Thunder
( 13% severe)		 NE   15 71% 43°
SOUTH LYON, MI 48178 weather forecast Day 1, 15 hours 5 PM 53° 49° Mostly Cloudy NE   14 74% 45°
SOUTH LYON, MI 48178 weather forecast Day 1, 18 hours 8 PM 52° 48° Mostly Cloudy 80%
RAIN
***		 0% Thunder
( 12% severe)		 NE   12 74% 44°
SOUTH LYON, MI 48178 weather forecast Day 1, 21 hours 11 PM 50° 46° Mostly Cloudy NE   10 83% 45°
Monday
5 MAY 2025		 SOUTH LYON, MI 48178 weather forecast Day 2, 0 hours 2 AM 49° 45° Mostly Cloudy 35%
RAIN
.25–.5 in		 0% Thunder
( 3% severe)		 NE   8 86% 45°
Low 47° SOUTH LYON, MI 48178 weather forecast Day 2, 3 hours 5 AM 49° 46° Mostly Cloudy ENE   7 89% 46°
High 66° SOUTH LYON, MI 48178 weather forecast Day 2, 6 hours 8 AM 51° 49° Mostly Cloudy 19%
RAIN
.1–.25 in		 0% Thunder
( 3% severe)		 ENE   6 89% 48°

Mostly Cloudy

Rain Likely

 SOUTH LYON, MI 48178 weather forecast Day 2, 9 hours 11 AM 57° 56° Mostly Cloudy E   7 77% 50°
SOUTH LYON, MI 48178 weather forecast Day 2, 12 hours 2 PM 62° 61° Mostly Cloudy 59%
RAIN
1–2 in		 0% Thunder
( 16% severe)		 E   8 65% 50°
SOUTH LYON, MI 48178 weather forecast Day 2, 15 hours 5 PM 63° 63° Mostly Cloudy E   7 60% 49°
SOUTH LYON, MI 48178 weather forecast Day 2, 18 hours 8 PM 59° 59° Mostly Cloudy 33%
RAIN
.25–.5 in		 0% Thunder
( 18% severe)		 E   5 72% 50°
SOUTH LYON, MI 48178 weather forecast Day 2, 21 hours 11 PM 54° 54° Mostly Cloudy N   2 83% 49°

ANN ARBOR, MI extended weather forecast
BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE
Low 43° Low 44° Low 46° Low 43° Low 34°
High 65° High 65° High 71° High 60° High 64°
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
Overcast
96% Rain		 Overcast
48% Rain		 Mostly Cloudy
41% Rain		 Mostly Cloudy
19% Rain		 Clear
3% Rain
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