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

Ionia County Airport (KY70)

Lat: 42.94°NLon: 85.06°WElev: 818ft.

Fair

64°F

18°C

Humidity 68%
Wind Speed N 7 mph
Barometer 30.05 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 27 Aug 10:55 pm EDT
Extended Forecast for

Muir MI

  • Tonight

    Tonight: Mostly clear, with a low around 53. North northeast wind 3 to 6 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, then becoming mostly cloudy toward daybreak, with a low around 57. Light and variable wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 64. South southwest wind 3 to 5 mph.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A chance of thunderstorms before 8am. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms then
    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 53. North northeast wind 3 to 6 mph.
Friday
Sunny, with a high near 80. Light and variable wind.
Friday Night
Clear, then becoming mostly cloudy toward daybreak, with a low around 57. Light and variable wind.
Saturday
Mostly sunny, with a high near 83. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 64. South southwest wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 86.
Sunday Night
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Monday
A chance of thunderstorms before 8am. Partly sunny, with a high near 87.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers before 8am. Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 67.
Wednesday
A chance of showers. Mostly sunny, with a high near 86.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Muir MI
 42.99°N 84.92°W (Elev. 748 ft)
Last Update:
11:03 pm EDT Aug 27, 2026
Forecast Valid:
11pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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