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

Hazardous Weather Conditions

Current conditions at

Jackson County Airport - Reynolds Field (KJXN)

Lat: 42.26°NLon: 84.46°WElev: 988ft.

A Few Clouds

89°F

32°C

Humidity 57%
Wind Speed S 17 G 33 mph
Barometer 29.88 in (1010.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 21 Jun 5:56 pm EDT
Extended Forecast for

4 Miles SE Grass Lake MI

Heat Advisory June 21, 06:04pm until June 22, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 21, 06:04pm until June 22, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 94. Heat index values as high as 101. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 73. Southwest wind 7 to 9 mph.

    Low: 73 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. Heat index values as high as 100. West southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Southwest wind 6 to 8 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Partly sunny, with a high near 88.

    High: 88 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Southwest wind 13 to 17 mph, with gusts as high as 29 mph.
Sunday
Sunny and hot, with a high near 94. Heat index values as high as 101. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 73. Southwest wind 7 to 9 mph.
Monday
Sunny and hot, with a high near 94. Heat index values as high as 100. West southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 73. Southwest wind 6 to 8 mph.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny and hot, with a high near 93.
Tuesday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.
Wednesday
Showers likely, mainly after 2pm. Partly sunny, with a high near 88.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 69.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 68.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Saturday
A chance of showers. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Grass Lake MI
 42.21°N 84.15°W (Elev. 997 ft)
Last Update:
5:03 pm EDT Jun 21, 2025
Forecast Valid:
6pm EDT Jun 21, 2025-6pm EDT Jun 28, 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