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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Ionia County Airport (KY70)

Lat: 42.94°NLon: 85.06°WElev: 818ft.

A Few Clouds

18°F

-8°C

Humidity 62%
Wind Speed SW 6 mph
Barometer 30.19 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 17 Mar 10:35 pm EDT
Extended Forecast for

Portland MI

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. West southwest wind 6 to 8 mph becoming south after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow showers before 2pm. Cloudy, with a high near 36. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers after 2am. Mostly cloudy, with a steady temperature around 34. South southwest wind around 8 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A 50 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 45. South wind around 7 mph.

    High: 45 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. North northwest wind around 6 mph becoming south southeast after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 18. West southwest wind 6 to 8 mph becoming south after midnight.
Wednesday
A 40 percent chance of snow showers before 2pm. Cloudy, with a high near 36. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of rain and snow showers after 2am. Mostly cloudy, with a steady temperature around 34. South southwest wind around 8 mph. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 45. South wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 33. North northwest wind around 6 mph becoming south southeast after midnight.
Friday
Mostly cloudy, with a high near 50.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 25.
Monday
Sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland MI
 42.88°N 84.9°W (Elev. 699 ft)
Last Update:
10:03 pm EDT Mar 17, 2026
Forecast Valid:
10pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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