Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed SE 3 mph
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Aug 7:00 pm CDT
Extended Forecast for

Sparta Community-Hunter Field Airport IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Clear, then becoming mostly cloudy toward daybreak, with a low around 68. South wind 3 to 5 mph.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 11am.  High near 81. West wind 5 to 8 mph becoming east in the morning.  Chance of precipitation is 90%.

    High: 81 °F

    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am.  Mostly cloudy, with a low around 66. East wind around 6 mph becoming north after midnight.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 82. Northeast wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday Night

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

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

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

    Low: 65 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm.  Sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

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

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Clear, then becoming mostly cloudy toward daybreak, with a low around 68. South wind 3 to 5 mph.
Wednesday
Showers and thunderstorms, mainly before 11am. High near 81. West wind 5 to 8 mph becoming east in the morning. Chance of precipitation is 90%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 66. East wind around 6 mph becoming north after midnight.
Thursday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Northeast wind 3 to 6 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 63. Calm wind.
Friday
Sunny, with a high near 84.
Friday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 65.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 85. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 84.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta Community-Hunter Field Airport IL
 38.16°N 89.69°W (Elev. 499 ft)
8:51 pm CDT Aug 18, 2026
9pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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