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

Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Current conditions at

Ionia County Airport (KY70)

Lat: 42.94°NLon: 85.06°WElev: 818ft.

Fair

54°F

12°C

Humidity 51%
Wind Speed NE 15 G 21 mph
Barometer 30.27 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 21 May 7:55 pm EDT
Extended Forecast for

Greenville MI

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. East northeast wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67. Breezy, with an east wind 14 to 20 mph, with gusts as high as 34 mph.

    High: 67 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Cloudy, with a low around 50. Breezy, with an east wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Cloudy and
    Breezy then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 65. East wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 49. Northeast wind 5 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 74.

    High: 74 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. East northeast wind 10 to 15 mph, with gusts as high as 28 mph.
Friday
Partly sunny, with a high near 67. Breezy, with an east wind 14 to 20 mph, with gusts as high as 34 mph.
Friday Night
Showers likely, mainly after 2am. Cloudy, with a low around 50. Breezy, with an east wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 65. East wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 49. Northeast wind 5 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly cloudy, with a high near 74.
Sunday Night
Partly cloudy, with a low around 52.
Memorial Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A chance of showers. Mostly sunny, with a high near 84.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 84.
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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:
8:03 pm EDT May 21, 2026
Forecast Valid:
8pm EDT May 21, 2026-6pm EDT May 28, 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