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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Paul C Miller/Sparta Airport (K8D4)

Lat: 43.13°NLon: 85.68°WElev: 775ft.

Fair

77°F

25°C

Humidity 54%
Wind Speed SW 2 mph
Barometer 30.11 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 28 Aug 7:35 pm EDT
Extended Forecast for

Allendale MI

  • Tonight

    Tonight: Increasing clouds, with a low around 61. West southwest wind around 6 mph becoming calm.

    Low: 61 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Increasing clouds, with a high near 80. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 80 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 67. South southeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 83. South wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 70. South wind 5 to 7 mph.

    Low: 70 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 73.

    Low: 73 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 61. West southwest wind around 6 mph becoming calm.
Saturday
Increasing clouds, with a high near 80. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
A chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 67. South southeast wind around 6 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 83. South wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 70. South wind 5 to 7 mph.
Monday
Partly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 73.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 71.
Wednesday
A chance of showers before 8am. Partly sunny, with a high near 86.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
A chance of showers. Partly cloudy, with a low around 66.
Friday
A chance of showers. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Allendale MI
 42.98°N 85.96°W (Elev. 623 ft)
Last Update:
7:03 pm EDT Aug 28, 2026
Forecast Valid:
7pm EDT Aug 28, 2026-6pm EDT Sep 4, 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