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.

Mostly Cloudy

72°F

22°C

Humidity 86%
Wind Speed S 16 G 28 mph
Barometer 29.72 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 11 Mar 3:55 am CDT
Extended Forecast for

Willisville IL

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a steady temperature around 70. South southwest wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms before 2pm, then a chance of showers. Some of the storms could produce heavy rainfall. Temperature falling to around 48 by 5pm. Breezy, with a southwest wind 11 to 21 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    High: 68 °F⇓

    Showers
    Likely then
    Heavy Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North northwest wind 8 to 18 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 54. West northwest wind 5 to 8 mph becoming southwest in the afternoon.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 25 mph.

    Low: 41 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 63. Southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. North northwest wind around 6 mph becoming east northeast after midnight.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. East wind 7 to 10 mph becoming south southeast in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. South wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a steady temperature around 70. South southwest wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms before 2pm, then a chance of showers. Some of the storms could produce heavy rainfall. Temperature falling to around 48 by 5pm. Breezy, with a southwest wind 11 to 21 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North northwest wind 8 to 18 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 54. West northwest wind 5 to 8 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 41. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 25 mph.
Friday
Mostly sunny, with a high near 63. Southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Partly cloudy, with a low around 37. North northwest wind around 6 mph becoming east northeast after midnight.
Saturday
Mostly sunny, with a high near 65. East wind 7 to 10 mph becoming south southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 53. South wind 10 to 16 mph, with gusts as high as 25 mph.
Sunday
A chance of showers and thunderstorms, then showers likely after 1pm. Mostly cloudy, with a high near 67. Breezy, with a south wind 18 to 24 mph becoming west in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 26. Blustery, with a northwest wind 21 to 23 mph, with gusts as high as 33 mph.
Monday
Sunny, with a high near 39. Northwest wind 15 to 17 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 21. North northwest wind 6 to 10 mph.
Tuesday
Partly sunny, with a high near 43. West northwest wind 6 to 9 mph becoming south southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Willisville IL
 38°N 89.58°W
Last Update:
3:26 am CDT Mar 11, 2026
Forecast Valid:
4am CDT Mar 11, 2026-6pm CDT Mar 17, 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