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

Percy IL

  • Today

    Today: Mostly cloudy, with a high near 76. North wind around 9 mph.

    High: 76 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 61. North wind 5 to 8 mph becoming calm in the evening.

    Low: 61 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 63. Light east wind.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 76. North wind around 9 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 61. North wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. Calm wind.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 63. Light east wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Percy IL
 38°N 89.61°W (Elev. 459 ft)
Last Update:
3:51 am CDT Jun 22, 2026
Forecast Valid:
4am CDT Jun 22, 2026-6pm CDT Jun 28, 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