Allegan County, MI Weather Forecast
County weather hub
Showers And Thunderstorms Likely
Compare major city weather across Allegan County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms likely. Mostly cloudy, with a high near 74.
County Weather Overview
This county weather page brings together forecast coverage for Allegan County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 8 of 8 mapped cities in Allegan County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 13 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:38 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Allegan County
Tuesday looks like the warmest upcoming period in Allegan County at 77 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Monday at about 13 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 4:38 PM EDT
- Coverage
- 3 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
Showers and thunderstorms likely. Mostly cloudy, with a low around 61.
Showers and thunderstorms likely. Mostly cloudy, with a high near 77.
Showers and thunderstorms. Mostly cloudy, with a low around 58.
Rain showers likely before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 71.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Apr 13
|
Showers And Thunderstorms Likely
|
74°F |
13 mph
SW
|
|
Monday Night
Apr 13
|
Showers And Thunderstorms Likely
|
61°F |
9 mph
SW
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
77°F |
12 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms
|
58°F |
9 mph
SSW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
71°F |
8 to 13 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
49°F |
7 to 10 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Allegan County.
Coverage
Forecast coverage currently spans 8 of 8 mapped cities in Allegan County.
Largest mapped city population in this region: 26,033.
