Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Paul C Miller/Sparta Airport (K8D4)

Lat: 43.13°NLon: 85.68°WElev: 775ft.

Fair

59°F

15°C

Humidity 88%
Wind Speed E 1 mph
Barometer 29.98 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Aug 5:15 am EDT
Extended Forecast for

Sparta MI

  • Today

    Today: A 30 percent chance of showers after 5pm.  Increasing clouds, with a high near 81. West southwest wind 5 to 15 mph, with gusts as high as 29 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm.  Mostly cloudy, with a low around 61. West southwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 79. North northeast wind 3 to 6 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 8pm.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers.  Mostly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

Today
A 30 percent chance of showers after 5pm. Increasing clouds, with a high near 81. West southwest wind 5 to 15 mph, with gusts as high as 29 mph.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 61. West southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Sunny, with a high near 79. North northeast wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 54. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Light and variable wind becoming west 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers after 8pm. Partly cloudy, with a low around 60.
Saturday
A chance of showers. Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta MI
 43.16°N 85.74°W (Elev. 801 ft)
5:03 am EDT Aug 18, 2026
5am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
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Additional Resources

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