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

26°F

-3°C

Humidity 67%
Wind Speed SE 12 mph
Barometer 30.29 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 8 Feb 1:35 am CST
Extended Forecast for

Marissa IL

  • Overnight

    Overnight: Partly cloudy, with a low around 25. Southeast wind 7 to 9 mph.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. East wind 5 to 7 mph becoming calm after midnight.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. Southeast wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 45. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 28. East wind 5 to 7 mph becoming calm after midnight.
Monday
Sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. South wind around 7 mph.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 46.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 48.
Friday Night
A 30 percent chance of rain. Partly cloudy, with a low around 32.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
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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:
1:01 am CST Feb 8, 2026
Forecast Valid:
1am CST Feb 8, 2026-6pm CST Feb 14, 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