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

18°F

-8°C

Humidity 51%
Wind Speed NW 14 G 23 mph
Barometer 30.33 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 19 Jan 7:35 am CST
Extended Forecast for

Marissa IL

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 21. Blustery, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 21 °F

    Sunny and
    Blustery then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 13. Light and variable wind becoming southwest around 5 mph after midnight.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. South wind 5 to 10 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 28. South wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. West wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Thursday Night

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

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 21. Blustery, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 13. Light and variable wind becoming southwest around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 37. South wind 5 to 10 mph.
Tuesday Night
Increasing clouds, with a low around 28. South wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 47. West wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 24.
Thursday
Sunny, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Mostly cloudy, with a high near 28.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 4.
Saturday
A 20 percent chance of snow. Mostly cloudy and cold, with a high near 15.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marissa IL
 38.25°N 89.74°W (Elev. 459 ft)
Last Update:
5:16 am CST Jan 19, 2026
Forecast Valid:
7am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation