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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Ionia County Airport (KY70)

Lat: 42.94°NLon: 85.06°WElev: 818ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Greenville MI

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Southwest wind around 8 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 5pm. High near 70. West wind 8 to 11 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Partly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and 2am. Low around 55. Southeast wind 10 to 17 mph becoming west after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 69. West northwest wind 15 to 17 mph, with gusts as high as 33 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. West wind 7 to 13 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. Southwest wind around 8 mph.
Wednesday
Showers, with thunderstorms also possible after 5pm. High near 70. West wind 8 to 11 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and 2am. Low around 55. Southeast wind 10 to 17 mph becoming west after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
A 20 percent chance of showers before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 69. West northwest wind 15 to 17 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 52. West wind 7 to 13 mph, with gusts as high as 25 mph.
Juneteenth
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 52.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 73.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenville MI
 43.18°N 85.26°W (Elev. 853 ft)
Last Update:
10:03 pm EDT Jun 16, 2026
Forecast Valid:
11pm EDT Jun 16, 2026-6pm EDT Jun 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