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

83°F

28°C

Humidity 38%
Wind Speed S 5 mph
Barometer 29.81 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Mar 4:15 pm CDT
Extended Forecast for

Marissa IL

  • Tonight

    Tonight: Clear, with a low around 62. South wind 5 to 10 mph, with gusts as high as 23 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 88. South wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 88 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Breezy, with a north wind 13 to 21 mph, with gusts as high as 34 mph.

    Low: 38 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 56. North wind 8 to 10 mph.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Northeast wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Partly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Clear, with a low around 62. South wind 5 to 10 mph, with gusts as high as 23 mph.
Sunday
Increasing clouds, with a high near 88. South wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Breezy, with a north wind 13 to 21 mph, with gusts as high as 34 mph.
Monday
Mostly sunny, with a high near 56. North wind 8 to 10 mph.
Monday Night
Mostly cloudy, with a low around 40. Northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 56.
Thursday
A 20 percent chance of rain and thunderstorms after 1pm. Sunny, with a high near 83.
Thursday Night
A 30 percent chance of rain and thunderstorms. Partly cloudy, with a low around 45.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 56.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
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 Mar 21, 2026
Forecast Valid:
4pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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