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

40°F

4°C

Humidity 61%
Wind Speed S 14 G 17 mph
Barometer 30.04 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Jan 3:35 am CST
Extended Forecast for

5 Miles SSE Mascoutah IL

  • Overnight

    Overnight: Mostly clear, with a low around 35. Southwest wind around 8 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 64. West wind 8 to 14 mph, with gusts as high as 25 mph.

    High: 64 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 37. West wind 7 to 10 mph.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 31 by 5pm. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 28 mph.

    High: 41 °F⇓

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17. North wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44. Breezy.

    High: 44 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Southwest wind around 8 mph.
Tuesday
Increasing clouds, with a high near 64. West wind 8 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 37. West wind 7 to 10 mph.
Wednesday
Partly sunny, with a temperature falling to around 31 by 5pm. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 17. North wind 7 to 15 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 32.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 44. Breezy.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 13.
M.L.King Day
Sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Mascoutah IL
 38.45°N 89.79°W (Elev. 410 ft)
Last Update:
3:16 am CST Jan 13, 2026
Forecast Valid:
3am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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