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

55°F

13°C

Humidity 51%
Wind Speed NE 6 mph
Barometer 30.36 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 7 Apr 2:35 pm CDT
Extended Forecast for

Marissa IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 54. East wind around 10 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Southeast wind around 7 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. South wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South wind around 10 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. South wind around 11 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 75.

    High: 75 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 54. East wind around 10 mph.
Tonight
Partly cloudy, with a low around 41. Southeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 71. South wind 6 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind around 10 mph.
Thursday
Sunny, with a high near 76. South wind around 11 mph.
Thursday Night
Partly cloudy, with a low around 57.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 75.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Breezy.
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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:
1:26 pm CDT Apr 7, 2026
Forecast Valid:
2pm CDT Apr 7, 2026-6pm CDT Apr 13, 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