National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Partly Cloudy

71°F

22°C

Humidity 82%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 21 Sep 11:15 pm CDT
Extended Forecast for

Sparta IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 65. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 10am. High near 79. South wind 6 to 10 mph. Chance of precipitation is 80%.

    High: 79 °F

    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 65. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%.
Monday
Showers, with thunderstorms also possible after 10am. High near 79. South wind 6 to 10 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 50%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 70%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 78. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta IL
 38.16°N 89.72°W (Elev. 489 ft)
Last Update:
10:06 pm CDT Sep 21, 2025
Forecast Valid:
11pm CDT Sep 21, 2025-6pm CDT Sep 28, 2025
 
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