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

16°F

-9°C

Humidity 62%
Wind Speed N 13 G 22 mph
Barometer 30.54 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 23 Feb 5:35 am CST
Extended Forecast for

Percy IL

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 30. Northwest wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 30 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 48 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind 12 to 17 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Northwest wind around 6 mph becoming south in the afternoon.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday

    Thursday: A 50 percent chance of rain before noon. Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 30. Northwest wind 6 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Partly sunny, with a high near 48. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind 12 to 17 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Wednesday
Partly sunny, with a high near 53. Northwest wind around 6 mph becoming south in the afternoon.
Wednesday Night
Rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain before noon. Partly sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 59.
Friday Night
Clear, with a low around 39.
Saturday
Sunny, with a high near 63.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 51.
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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:
5:31 am CST Feb 23, 2026
Forecast Valid:
5am CST Feb 23, 2026-6pm CST Mar 1, 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