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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Jackson County Airport - Reynolds Field (KJXN)

Lat: 42.26°NLon: 84.46°WElev: 988ft.

Overcast

65°F

18°C

Humidity 87%
Wind Speed E 7 mph
Barometer 30.28 in (1025.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Sep 1:56 am EDT
Extended Forecast for

4 Miles SSW Onondaga MI

  • Overnight

    Overnight: A 40 percent chance of showers. Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 74. Light northeast wind.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54. Light northeast wind.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74. East wind 5 to 7 mph.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 55. East wind 3 to 6 mph.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 69. Chance of precipitation is 100%.

    High: 69 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 8pm. Low around 60. Chance of precipitation is 90%.

    Low: 60 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 68.

    High: 68 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers. Mostly cloudy, with a low around 63. Calm wind.
Thursday
A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 74. Light northeast wind.
Thursday Night
Mostly cloudy, with a low around 54. Light northeast wind.
Friday
Partly sunny, with a high near 74. East wind 5 to 7 mph.
Friday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 55. East wind 3 to 6 mph.
Saturday
Showers, mainly after 8am. High near 69. Chance of precipitation is 100%.
Saturday Night
Showers, with thunderstorms also possible after 8pm. Low around 60. Chance of precipitation is 90%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 63.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49.
Tuesday
Mostly cloudy, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onondaga MI
 42.38°N 84.57°W (Elev. 942 ft)
Last Update:
2:21 am EDT Sep 17, 2026
Forecast Valid:
2am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
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