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

50°F

10°C

Humidity 47%
Wind Speed N 7 mph
Barometer 30.03 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 13 Mar 8:35 pm CDT
Extended Forecast for

Percy IL

  • Tonight

    Tonight: Mostly clear, with a low around 37. North wind around 5 mph becoming light and variable.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65. East wind 6 to 11 mph becoming south in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. South wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Breezy, with a south wind 18 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.

    High: 69 °F

    Breezy.
    Slight Chance
    Rain then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Some thunder is also possible. Low around 24. Breezy, with a west wind around 23 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Breezy. Rain
    then
    Rain/Snow

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 30. Blustery.

    High: 30 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 37. North wind around 5 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 65. East wind 6 to 11 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 55. South wind 8 to 15 mph, with gusts as high as 25 mph.
Sunday
A slight chance of rain, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Breezy, with a south wind 18 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.
Sunday Night
Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Some thunder is also possible. Low around 24. Breezy, with a west wind around 23 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 30. Blustery.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Sunny, with a high near 38.
Tuesday Night
A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 68.
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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:
8:31 pm CDT Mar 13, 2026
Forecast Valid:
8pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation