Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

55°F

13°C

Humidity 40%
Wind Speed NW 6 mph
Barometer 30.11 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 18 Apr 6:35 pm CDT
Extended Forecast for

Marissa IL

  • Tonight

    Tonight: Mostly clear, with a low around 38. Northwest wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. West wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. Light and variable wind becoming northeast 5 to 8 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 66. Light and variable wind becoming east around 5 mph in the morning.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. South wind 6 to 8 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am.  Mostly clear, with a low around 55.

    Low: 55 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Northwest wind 6 to 11 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 67. West wind 5 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 41. Light and variable wind becoming northeast 5 to 8 mph.
Monday
Sunny, with a high near 66. Light and variable wind becoming east around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 49. South wind 6 to 8 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 75. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Marissa IL
 38.25°N 89.74°W (Elev. 459 ft)
5:56 pm CDT Apr 18, 2026
6pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
 
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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