Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

6 Miles S Nashville IL

  • Tonight

    Tonight: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 63. North wind around 6 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, partly sunny through mid morning, then becoming sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Increasing clouds, with a low around 68. Light and variable wind becoming southeast around 6 mph.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 1pm.  Partly sunny, with a high near 85. Northwest wind around 6 mph becoming calm  in the morning.  Chance of precipitation is 60%.

    High: 85 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 70%.

    Low: 66 °F

    T-storms
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 63. North wind around 6 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny through mid morning, then becoming sunny, with a high near 86. Light and variable wind.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 68. Light and variable wind becoming southeast around 6 mph.
Wednesday
Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 85. Northwest wind around 6 mph becoming calm in the morning. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 70%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Nashville IL
 38.26°N 89.37°W (Elev. 459 ft)
6:11 pm CDT Aug 17, 2026
7pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database