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

35°F

2°C

Humidity 73%
Wind Speed SE 5 mph
Barometer 30.22 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 13 Feb 4:15 am CST
Extended Forecast for

Marissa IL

  • Today

    Today: Sunny, with a high near 58. South wind 5 to 10 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 39. South wind 3 to 7 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain, mainly after noon. High near 50. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 80%.

    High: 50 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain. Low around 45. East wind around 8 mph. Chance of precipitation is 100%.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 56. Northeast wind 6 to 10 mph.

    High: 56 °F

    Chance Rain
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 58. South wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 39. South wind 3 to 7 mph.
Saturday
Rain, mainly after noon. High near 50. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 80%.
Saturday Night
Rain. Low around 45. East wind around 8 mph. Chance of precipitation is 100%.
Sunday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 56. Northeast wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 38.
Washington's Birthday
Mostly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 65.
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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:
2:52 am CST Feb 13, 2026
Forecast Valid:
4am CST Feb 13, 2026-6pm CST Feb 19, 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