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.

Fair

65°F

18°C

Humidity 77%
Wind Speed SE 3 mph
Barometer 30.10 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Oct 11:55 pm CDT
Extended Forecast for

Percy IL

  • Overnight

    Overnight: Clear, with a low around 57. Southeast wind around 5 mph.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 5 to 11 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 63. Southeast wind 5 to 7 mph.

    Low: 63 °F

    Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 83. South wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 57. Southeast wind around 5 mph.
Sunday
Sunny, with a high near 88. South wind 5 to 11 mph.
Sunday Night
Clear, with a low around 63. Southeast wind 5 to 7 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 83. South wind 3 to 7 mph. Chance of precipitation is 40%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind around 6 mph becoming calm in the evening.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Percy IL
 38.02°N 89.61°W (Elev. 472 ft)
Last Update:
10:41 pm CDT Oct 4, 2025
Forecast Valid:
12am CDT Oct 5, 2025-6pm CDT Oct 11, 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