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

41°F

5°C

Humidity 58%
Wind Speed S 8 mph
Barometer 30.13 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 12 Jan 11:55 pm CST
Extended Forecast for

Okawville IL

  • Overnight

    Overnight: Mostly clear, with a low around 37. South wind 7 to 10 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 62. West wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 62 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 38. West wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature rising to near 41 by 10am, then falling to around 33 during the remainder of the day. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 32 mph.

    High: 41 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17. North wind 10 to 18 mph, with gusts as high as 25 mph.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 37. South wind 7 to 10 mph.
Tuesday
Increasing clouds, with a high near 62. West wind 8 to 13 mph, with gusts as high as 24 mph.
Tuesday Night
A 20 percent chance of rain after 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 38. West wind 7 to 11 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a temperature rising to near 41 by 10am, then falling to around 33 during the remainder of the day. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 17. North wind 10 to 18 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly cloudy, with a high near 43.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Mostly clear, with a low around 13.
M.L.King Day
Mostly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Okawville IL
 38.42°N 89.56°W (Elev. 456 ft)
Last Update:
9:41 pm CST Jan 12, 2026
Forecast Valid:
12am CST Jan 13, 2026-6pm CST Jan 19, 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