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

51°F

11°C

Humidity 66%
Wind Speed N 7 mph
Barometer 30.10 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 9 Jan 12:35 pm CST
Extended Forecast for

Sparta IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 52. North wind 5 to 10 mph.

    High: 52 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 38. Northeast wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Cloudy then
    Slight Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 47 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. Northwest wind 7 to 14 mph, with gusts as high as 29 mph.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 37. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 52. North wind 5 to 10 mph.
Tonight
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 38. Northeast wind around 6 mph becoming calm in the evening.
Saturday
A 20 percent chance of rain before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 25. Northwest wind 7 to 14 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 37. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 25.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sparta IL
 38.16°N 89.72°W (Elev. 489 ft)
Last Update:
11:17 am CST Jan 9, 2026
Forecast Valid:
12pm CST Jan 9, 2026-6pm CST Jan 15, 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