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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Ionia County Airport (KY70)

Lat: 42.94°NLon: 85.06°WElev: 818ft.

Overcast

61°F

16°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.24 in
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Last update 17 Sep 5:35 am EDT
Extended Forecast for

3 Miles WNW Portland MI

  • Overnight

    Overnight: A 30 percent chance of showers. Mostly cloudy, with a low around 59. East northeast wind around 5 mph.

    Low: 59 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 74. Northeast wind around 7 mph.

    High: 74 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51. Northeast wind around 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75. East northeast wind 7 to 9 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 54. East northeast wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 67. Chance of precipitation is 100%.

    High: 67 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 8pm. Low around 56. Chance of precipitation is 90%.

    Low: 56 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 67.

    High: 67 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a low around 59. East northeast wind around 5 mph.
Thursday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 74. Northeast wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 51. Northeast wind around 5 mph.
Friday
Mostly sunny, with a high near 75. East northeast wind 7 to 9 mph.
Friday Night
A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 54. East northeast wind 8 to 11 mph, with gusts as high as 21 mph.
Saturday
Showers, mainly after 8am. High near 67. Chance of precipitation is 100%.
Saturday Night
Showers, with thunderstorms also possible after 8pm. Low around 56. Chance of precipitation is 90%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 63.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Portland MI
 42.91°N 84.96°W (Elev. 778 ft)
Last Update:
5:03 am EDT Sep 17, 2026
Forecast Valid:
5am EDT Sep 17, 2026-6pm EDT Sep 23, 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