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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Willisville IL

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 68. Light and variable wind.

    Low: 68 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 85. Light and variable wind becoming east southeast around 6 mph. Chance of precipitation is 70%.

    High: 85 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Light north northeast wind. Chance of precipitation is 70%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 83 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Light north northeast wind.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Light north northeast wind.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind.
Tonight
Increasing clouds, with a low around 68. Light and variable wind.
Wednesday
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 85. Light and variable wind becoming east southeast around 6 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Light north northeast wind. Chance of precipitation is 70%.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 64. Light north northeast wind.
Friday
Sunny, with a high near 85. Light north northeast wind.
Friday Night
Mostly clear, with a low around 64. Calm wind.
Saturday
Sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64. Light north wind.
Sunday
Sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 64. Light east wind.
Monday
Mostly sunny, with a high near 86. South southeast wind 3 to 6 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Willisville IL
 37.98°N 89.58°W
Last Update:
6:06 am CDT Aug 18, 2026
Forecast Valid:
7am CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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