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

39°F

4°C

Humidity 69%
Wind Speed NE 6 mph
Barometer 30.11 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 14 Mar 5:15 am CDT
Extended Forecast for

Percy IL

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 64. East wind 6 to 11 mph becoming southeast in the afternoon.

    High: 64 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. South wind 9 to 16 mph, with gusts as high as 28 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain and possibly a thunderstorm, mainly after 4pm. High near 68. Breezy, with a south wind 21 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 80%.

    High: 68 °F

    Breezy.
    Mostly Cloudy
    then Rain

  • Sunday Night

    Sunday Night: Rain before 1am, then a chance of snow. Some thunder is also possible. Low around 22. Breezy, with a southwest wind 22 to 24 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Breezy. Rain
    then
    Rain/Snow

  • Monday

    Monday: Mostly cloudy, with a high near 30. Breezy, with a northwest wind around 22 mph, with gusts as high as 37 mph.

    High: 30 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 37.

    High: 37 °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

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 64. East wind 6 to 11 mph becoming southeast in the afternoon.
Tonight
Partly cloudy, with a low around 54. South wind 9 to 16 mph, with gusts as high as 28 mph.
Sunday
Rain and possibly a thunderstorm, mainly after 4pm. High near 68. Breezy, with a south wind 21 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 80%.
Sunday Night
Rain before 1am, then a chance of snow. Some thunder is also possible. Low around 22. Breezy, with a southwest wind 22 to 24 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
Mostly cloudy, with a high near 30. Breezy, with a northwest wind around 22 mph, with gusts as high as 37 mph.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Sunny, with a high near 37.
Tuesday Night
A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 70.
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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:
4:41 am CDT Mar 14, 2026
Forecast Valid:
5am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation