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.

Fair

46°F

8°C

Humidity 41%
Wind Speed Calm
Barometer 30.64 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 28 Mar 12:15 pm CDT
Extended Forecast for

Marissa IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. Southeast wind around 5 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Southeast wind around 6 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 67. South wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 67 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. South wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 83. Breezy.

    High: 83 °F

    Breezy.
    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 1pm. Cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 55. Southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 39. Southeast wind around 6 mph.
Sunday
Increasing clouds, with a high near 67. South wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 79. South wind 13 to 17 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A 30 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 83. Breezy.
Tuesday Night
Rain and possibly a thunderstorm. Low around 49. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly before 1pm. Cloudy, with a high near 58. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Thursday
Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 68.
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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:
11:26 am CDT Mar 28, 2026
Forecast Valid:
12pm CDT Mar 28, 2026-6pm CDT Apr 3, 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