Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Current conditions at

Grand Rapids, Gerald R. Ford International Airport (KGRR)

Lat: 42.88°NLon: 85.52°WElev: 794ft.

Mostly Cloudy

63°F

17°C

Humidity 87%
Wind Speed N 7 mph
Barometer 30.01 in (1015.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Aug 7:53 am EDT
Extended Forecast for

Caledonia MI

  • Today

    Today: Mostly sunny, with a high near 79. North northeast wind 5 to 7 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. West northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 2pm.  Increasing clouds, with a high near 80. West southwest wind 5 to 13 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Low around 62. West southwest wind 5 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 8am.  Mostly sunny, with a high near 78. North northwest wind 3 to 5 mph.

    High: 78 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

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

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

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

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. North northeast wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 58. West northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 80. West southwest wind 5 to 13 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 62. West southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 78. North northwest wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 79.
Friday Night
A chance of showers. Partly cloudy, with a low around 59.
Saturday
A chance of showers. Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Caledonia MI
 42.8°N 85.5°W (Elev. 771 ft)
8:03 am EDT Aug 17, 2026
8am EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
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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