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.

Overcast

27°F

-3°C

Humidity 47%
Wind Speed SW 6 mph
Barometer 30.05 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 18 Jan 7:15 pm CST
Extended Forecast for

Marissa IL

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 13. Southwest wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 31 mph.

    Low: 13 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 22. Northwest wind 7 to 17 mph, with gusts as high as 30 mph.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12. Light and variable wind becoming south around 6 mph in the evening.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. South wind 5 to 9 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. South wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 13. Southwest wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 31 mph.
M.L.King Day
Sunny, with a high near 22. Northwest wind 7 to 17 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 12. Light and variable wind becoming south around 6 mph in the evening.
Tuesday
Mostly sunny, with a high near 37. South wind 5 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 28. South wind 9 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 40.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 26.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 8.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 20.
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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:
5:51 pm CST Jan 18, 2026
Forecast Valid:
7pm CST Jan 18, 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