Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Ionia County Airport (KY70)

Lat: 42.94°NLon: 85.06°WElev: 818ft.

Fair

68°F

20°C

Humidity 69%
Wind Speed W 6 mph
Barometer 29.98 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Aug 10:55 pm EDT
Extended Forecast for

Greenville MI

  • Tonight

    Tonight: Mostly clear, with a low around 58. Northwest wind around 6 mph becoming calm  after midnight.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Increasing clouds, with a high near 81. West southwest wind 7 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight.  Low around 60. West wind 5 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers then
    Chance
    T-storms

  • Wednesday

    Wednesday: A 10 percent chance of showers before 7am.  Mostly sunny, with a high near 78. North wind 3 to 6 mph.

    High: 78 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Northwest wind around 6 mph becoming calm  after midnight.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers.  Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Northwest wind around 6 mph becoming calm after midnight.
Tuesday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 81. West southwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Tuesday Night
Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Low around 60. West wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 78. North wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 51. Northwest wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers. Partly cloudy, with a low around 59.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76.
Saturday Night
A chance of thunderstorms. Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville MI
 43.18°N 85.26°W (Elev. 853 ft)
10:03 pm EDT Aug 17, 2026
10pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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