Ionia County, MI Weather Forecast
County weather hub
Sunny
Compare major city weather across Ionia County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 56. East wind 3 to 7 mph.
County Weather Overview
This county weather page brings together forecast coverage for Ionia County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 5 of 5 mapped cities in Ionia County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 1:31 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Ionia County
Tuesday looks like the warmest upcoming period in Ionia County at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Sunday at about 12 to 20 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 1:31 AM EDT
- Coverage
- 6 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KGRR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 41. Southeast wind 6 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 60.
Showers and thunderstorms likely. Mostly cloudy, with a high near 73.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 62.
Showers and thunderstorms likely. Mostly cloudy, with a high near 77.
Showers and thunderstorms. Mostly cloudy, with a low around 58.
Showers and thunderstorms likely. Mostly cloudy, with a high near 70.
Rain showers likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
A chance of rain showers. Mostly sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
56°F |
3 to 7 mph
E
|
|
Saturday Night
Apr 11
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
41°F |
6 to 12 mph
SE
|
|
Sunday
Apr 12
|
Chance Showers And Thunderstorms
|
73°F |
12 to 20 mph
S
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely
|
60°F |
20 mph
SW
|
|
Monday
Apr 13
|
Showers And Thunderstorms Likely
|
73°F |
18 mph
SW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
62°F |
10 to 14 mph
SW
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
77°F |
16 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms
|
58°F |
14 mph
SSW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
70°F |
13 to 18 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
49°F |
10 to 16 mph
WSW
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
69°F |
9 to 14 mph
WSW
|
Major City Forecasts
Live forecast snapshots for major cities across Ionia County.
Coverage
Forecast coverage currently spans 5 of 5 mapped cities in Ionia County.
Largest mapped city population in this region: 5,738.
