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.

Fair

30°C

86°F

Humidity 66%
Wind Speed S 7 km/h
Barometer 29.96 in
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index34°C (93°F)
Last update 15 Jul 5:35 pm CDT
Extended Forecast for

Sparta IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 31. South wind around 11 km/h.

    High: 31 °C

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 23. South wind 8 to 10 km/h.

    Low: 23 °C

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 34. Heat index values as high as 39. Southwest wind 8 to 13 km/h. Chance of precipitation is 30%.

    High: 34 °C

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 24. Southwest wind 8 to 14 km/h.

    Low: 24 °C

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 34. West wind 8 to 11 km/h.

    High: 34 °C

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 31.

    High: 31 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 23.

    Low: 23 °C

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 32.

    High: 32 °C

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 31. South wind around 11 km/h.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 23. South wind 8 to 10 km/h.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 34. Heat index values as high as 39. Southwest wind 8 to 13 km/h. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 24. Southwest wind 8 to 14 km/h.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 34. West wind 8 to 11 km/h.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 31.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 23.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 32.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 24.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 24.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 34.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 24.
Tuesday
Sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta IL
 38.16°N 89.72°W (Elev. 489 m)
Last Update:
4:21 pm CDT Jul 15, 2025
Forecast Valid:
5pm CDT Jul 15, 2025-6pm CDT Jul 22, 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