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

26°F

-3°C

Humidity 51%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 17 Jan 5:55 am CST
Extended Forecast for

Marissa IL

  • Today

    Today: A chance of flurries before 8am, then a slight chance of snow between 8am and 10am, then a chance of flurries after 10am. Cloudy, with a high near 27. West wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 27 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 11. West wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 11 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 32. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 32 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14. Southwest wind 9 to 15 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 14 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 22. Northwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 22 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
A chance of flurries before 8am, then a slight chance of snow between 8am and 10am, then a chance of flurries after 10am. Cloudy, with a high near 27. West wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 11. West wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
Increasing clouds, with a high near 32. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 14. Southwest wind 9 to 15 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
M.L.King Day
Mostly sunny, with a high near 22. Northwest wind 7 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
A slight chance of rain before midnight, then a slight chance of snow. Partly cloudy, with a low around 22. Chance of precipitation is 20%.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 34.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 19.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marissa IL
 38.25°N 89.74°W (Elev. 459 ft)
Last Update:
5:01 am CST Jan 17, 2026
Forecast Valid:
6am CST Jan 17, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation