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

Hazardous Weather Conditions

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Mostly Cloudy

73°F

23°C

Humidity 80%
Wind Speed NE 3 mph
Barometer 30.07 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 4 Aug 8:55 am CDT
Extended Forecast for

Percy IL

  • Today

    Today: Scattered showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 82 °F

    Mostly Cloudy
    then
    Scattered
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 10pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Light east wind. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    T-storms then
    Patchy Fog

  • Tuesday

    Tuesday: Isolated showers and thunderstorms after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Light and variable wind. Chance of precipitation is 20%.

    High: 84 °F

    Patchy Fog
    then Isolated
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Light southeast wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%.
Tonight
Isolated showers and thunderstorms before 10pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Light east wind. Chance of precipitation is 20%.
Tuesday
Isolated showers and thunderstorms after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Light and variable wind. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 67. Light southeast wind.
Wednesday
Sunny, with a high near 88. Calm wind.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 73.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Percy IL
 38.02°N 89.61°W (Elev. 472 ft)
Last Update:
7:53 am CDT Aug 4, 2025
Forecast Valid:
9am CDT Aug 4, 2025-6pm CDT Aug 10, 2025
 
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