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

Holland - West Michigan Regional Airport (KBIV)

Lat: 42.75°NLon: 86.1°WElev: 686ft.

Fog/Mist

65°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.91 in (1012.4 mb)
Dewpoint 65°F (18°C)
Visibility 3.00 mi
Last update 13 Aug 2:53 am EDT
Extended Forecast for

Allegan MI

  • Overnight

    Overnight: Widespread fog.  Otherwise, mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Fog

  • Thursday

    Thursday: Widespread fog, mainly before 9am.  Otherwise, mostly cloudy, with a high near 82. Calm wind.

    High: 82 °F

    Fog then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Areas of fog between 11pm and 3am.  Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Areas Fog

  • Friday

    Friday: A slight chance of showers between noon and 2pm.  Mostly cloudy, with a high near 83. East wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers after 2am.  Mostly cloudy, with a low around 63. Light east southeast wind.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers likely after 5pm.  Partly sunny, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 8pm.  Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm.  Mostly cloudy, with a high near 81.

    High: 81 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread fog. Otherwise, mostly cloudy, with a low around 62. Calm wind.
Thursday
Widespread fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 82. Calm wind.
Thursday Night
Areas of fog between 11pm and 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 63. Calm wind.
Friday
A slight chance of showers between noon and 2pm. Mostly cloudy, with a high near 83. East wind 3 to 6 mph. Chance of precipitation is 20%.
Friday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 63. Light east southeast wind.
Saturday
Showers likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers likely after 5pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.
Saturday Night
Showers, with thunderstorms also possible after 8pm. Low around 68. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm. Mostly cloudy, with a high near 81.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 59.
Wednesday
A chance of showers. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Allegan MI
 42.54°N 85.86°W (Elev. 623 ft)
3:03 am EDT Aug 13, 2026
3am EDT Aug 13, 2026-6pm EDT Aug 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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