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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Holland - West Michigan Regional Airport (KBIV)

Lat: 42.75°NLon: 86.1°WElev: 686ft.

Fair

53°F

12°C

Humidity 86%
Wind Speed Calm
Barometer 30.06 in (1018.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 11 Oct 8:53 am EDT
Extended Forecast for

Allegan MI

  • Today

    Today: Mostly sunny, with a high near 73. Light east southeast wind.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 81. South wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 65. Southwest wind around 6 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 8am. Mostly sunny, with a high near 74. Southwest wind 8 to 10 mph, with gusts as high as 23 mph.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 73. Light east southeast wind.
Tonight
Mostly clear, with a low around 55. Calm wind.
Columbus Day
Mostly sunny, with a high near 81. South wind 5 to 8 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 65. Southwest wind around 6 mph.
Tuesday
A 30 percent chance of showers, mainly before 8am. Mostly sunny, with a high near 74. Southwest wind 8 to 10 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
A chance of showers. Partly sunny, with a high near 66.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45.
Friday
A chance of showers. Mostly cloudy, with a high near 60.
Friday Night
A chance of showers. Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allegan MI
 42.54°N 85.88°W (Elev. 633 ft)
Last Update:
9:03 am EDT Oct 11, 2026
Forecast Valid:
9am EDT Oct 11, 2026-6pm EDT Oct 17, 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