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

40°F

4°C

Humidity 68%
Wind Speed SW 5 mph
Barometer 30.18 in (1022.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 3 Nov 10:56 pm EST
Extended Forecast for

Grass Lake MI

  • Tonight

    Tonight: Mostly clear, with a low around 35. West wind 7 to 9 mph, with gusts as high as 24 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. West wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. South wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 61. Southwest wind 13 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 23 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 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. Mostly cloudy, with a high near 57.

    High: 57 °F

    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 35. West wind 7 to 9 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 59. West wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South wind 5 to 11 mph, with gusts as high as 22 mph.
Wednesday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 61. Southwest wind 13 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 30. 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 54.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 38.
Friday
Showers, mainly before 1pm. Mostly cloudy, with a high near 57.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Showers likely. Mostly cloudy, with a low around 33.
Sunday
A chance of showers. Mostly cloudy, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 41.
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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:
11:03 pm EST Nov 3, 2025
Forecast Valid:
11pm EST Nov 3, 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