National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Jackson County Airport - Reynolds Field (KJXN)

Lat: 42.26°NLon: 84.46°WElev: 988ft.

Fair

43°F

6°C

Humidity 74%
Wind Speed SW 9 mph
Barometer 30.28 in (1026.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 4 Nov 8:56 am EST
Extended Forecast for

Grass Lake MI

  • Today

    Today: Mostly sunny, with a high near 58. West wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. South wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 59. Southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 59 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 23 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 53. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly before 1pm. High near 59. Chance of precipitation is 90%.

    High: 59 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 58. West wind 9 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 42. South wind 6 to 13 mph, with gusts as high as 23 mph.
Wednesday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 59. Southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 23 mph.
Thursday
Mostly sunny, with a high near 53. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 38.
Friday
Showers, mainly before 1pm. High near 59. Chance of precipitation is 90%.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Showers likely. Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 41.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grass Lake MI
 42.25°N 84.2°W (Elev. 997 ft)
Last Update:
9:32 am EST Nov 4, 2025
Forecast Valid:
9am EST Nov 4, 2025-6pm EST Nov 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation