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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

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

Lat: 42.88°NLon: 85.52°WElev: 794ft.

Light Drizzle

59°F

15°C

Humidity 87%
Wind Speed W 12 mph
Barometer 29.43 in (996.4 mb)
Dewpoint 55°F (13°C)
Visibility 7.00 mi
Last update 18 Jun 6:53 am EDT
Extended Forecast for

Byron Center MI

  • Today

    Today: A 20 percent chance of showers before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 68. West northwest wind 15 to 17 mph, with gusts as high as 30 mph.

    High: 68 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. West southwest wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 72. West northwest wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 2am. Mostly clear, with a low around 54. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 8am, then a slight chance of showers after 2pm. Sunny, with a high near 74. West wind 5 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 68. West northwest wind 15 to 17 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 54. West southwest wind 5 to 8 mph, with gusts as high as 18 mph.
Juneteenth
Sunny, with a high near 72. West northwest wind 7 to 15 mph, with gusts as high as 26 mph.
Friday Night
A 40 percent chance of showers after 2am. Mostly clear, with a low around 54. West northwest wind 5 to 8 mph becoming calm in the evening.
Saturday
A chance of showers before 8am, then a slight chance of showers after 2pm. Sunny, with a high near 74. West wind 5 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 75.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A chance of showers. Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byron Center MI
 42.81°N 85.71°W (Elev. 745 ft)
Last Update:
7:03 am EDT Jun 18, 2026
Forecast Valid:
7am EDT Jun 18, 2026-6pm EDT Jun 24, 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