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.

Partly Cloudy

89°F

32°C

Humidity 59%
Wind Speed S 16 G 29 mph
Barometer 29.93 in (1012.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 21 Jun 3:56 pm EDT
Extended Forecast for

2 Miles SW Grass Lake MI

Heat Advisory June 21, 04:17pm until June 22, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 21, 04:17pm until June 22, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. Southwest wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 94. Heat index values as high as 100. 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 around 9 mph.

    Low: 73 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. Southwest wind 7 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.

    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 chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 91. Heat index values as high as 97. South southwest wind around 17 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 75. Southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Sunday
Sunny and hot, with a high near 94. Heat index values as high as 100. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 73. Southwest wind around 9 mph.
Monday
Sunny and hot, with a high near 94. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny and hot, with a high near 93.
Tuesday Night
A 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
Showers and thunderstorms likely. 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 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Grass Lake MI
 42.23°N 84.23°W (Elev. 1010 ft)
Last Update:
4:03 pm EDT Jun 21, 2025
Forecast Valid:
4pm EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation