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

Hazardous Weather Conditions

Current conditions at

Ionia County Airport (KY70)

Lat: 42.94°NLon: 85.06°WElev: 818ft.

Mostly Cloudy

86°F

30°C

Humidity 59%
Wind Speed SW 16 mph
Barometer 30.09 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 9 Aug 12:15 pm EDT
Extended Forecast for

Portland MI

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 90. South southwest wind around 11 mph.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 70. South wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 92. South southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 92 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly clear, with a low around 71. South wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 90. South southwest wind around 11 mph.
Tonight
Mostly clear, with a low around 70. South wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 92. South southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly clear, with a low around 71. South wind 6 to 8 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Tuesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 65.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86.
Wednesday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 64.
Thursday
A chance of showers. Mostly sunny, with a high near 87.
Thursday Night
A chance of showers. Partly cloudy, with a low around 66.
Friday
A chance of showers. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland MI
 42.88°N 84.9°W (Elev. 699 ft)
Last Update:
12:03 pm EDT Aug 9, 2025
Forecast Valid:
12pm EDT Aug 9, 2025-6pm EDT Aug 15, 2025
 
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