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.

Overcast

45°F

7°C

Humidity 87%
Wind Speed NW 6 mph
Barometer 30.08 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 7 Mar 10:35 pm CDT
Extended Forecast for

Percy IL

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 38. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 38 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 65. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. South wind around 7 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74. South wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. South wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 57. Breezy. Chance of precipitation is 80%.

    Low: 57 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 100%.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before midnight. Partly cloudy, with a low around 32.

    Low: 32 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 38. Northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Sunny, with a high near 65. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
Clear, with a low around 45. South wind around 7 mph.
Monday
Sunny, with a high near 74. South wind 7 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 60. South wind 8 to 13 mph, with gusts as high as 22 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78.
Tuesday Night
Showers and possibly a thunderstorm. Low around 57. Breezy. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 100%.
Wednesday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 32.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Percy IL
 38°N 89.64°W (Elev. 436 ft)
Last Update:
9:21 pm CST Mar 7, 2026
Forecast Valid:
9pm CST Mar 7, 2026-6pm CDT Mar 14, 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