Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Kalamazoo/Battle Creek International Airport (KAZO)

Lat: 42.23°NLon: 85.55°WElev: 863ft.

Fair

69°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 29.92 in (1012.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 13 Aug 1:53 am EDT
Extended Forecast for

Portage MI

  • Overnight

    Overnight: Areas of fog.  Otherwise, mostly cloudy, with a steady temperature around 66. Calm wind.

    Low: 66 °F

    Areas Fog

  • Thursday

    Thursday: A 10 percent chance of showers after 5pm.  Areas of fog before 10am.  Otherwise, mostly cloudy, with a high near 79. Calm wind becoming east northeast around 5 mph.

    High: 79 °F

    Areas Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 11pm, then a slight chance of showers after 5am.  Patchy fog between 9pm and 3am.  Otherwise, mostly cloudy, with a low around 63. Light east northeast wind.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers before 2pm.  Mostly cloudy, with a high near 80. East southeast wind 3 to 7 mph.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am.  Partly cloudy, with a low around 63. East southeast wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before 2pm.  Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 8pm.  Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 66. Calm wind.
Thursday
A 10 percent chance of showers after 5pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming east northeast around 5 mph.
Thursday Night
A slight chance of showers before 11pm, then a slight chance of showers after 5am. Patchy fog between 9pm and 3am. Otherwise, mostly cloudy, with a low around 63. Light east northeast wind. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 80. East southeast wind 3 to 7 mph.
Friday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 63. East southeast wind around 5 mph.
Saturday
A 40 percent chance of showers before 2pm. Partly sunny, with a high near 80.
Saturday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 67.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Portage MI
 42.2°N 85.59°W (Elev. 860 ft)
1:21 am EDT Aug 13, 2026
2am EDT Aug 13, 2026-6pm EDT Aug 19, 2026
 
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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