Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Ionia County Airport (KY70)

Lat: 42.94°NLon: 85.06°WElev: 818ft.

Fair

73°F

23°C

Humidity 89%
Wind Speed S 3 mph
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 4 Sep 3:15 pm EDT
Extended Forecast for

Portland MI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 80. West southwest wind around 7 mph.

    High: 80 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between midnight and 5am.  Mostly cloudy, with a low around 63. East northeast wind around 5 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 8am.  Cloudy, then gradually becoming mostly sunny, with a high near 79. Northeast wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 79 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Northeast wind 5 to 9 mph becoming light  after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. East northeast wind 5 to 8 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 54 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 80. West southwest wind around 7 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between midnight and 5am. Mostly cloudy, with a low around 63. East northeast wind around 5 mph.
Saturday
A 30 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 79. Northeast wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 54. Northeast wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 79. East northeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 54.
Labor Day
Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 66.
Wednesday
A chance of showers. Partly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland MI
 42.86°N 84.91°W (Elev. 748 ft)
3:03 pm EDT Sep 4, 2026
3pm EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database