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

41°F

5°C

Humidity 74%
Wind Speed SW 5 mph
Barometer 30.25 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 19 Apr 6:35 am CDT
Extended Forecast for

Marissa IL

  • Today

    Today: Sunny, with a high near 66. West wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Northwest wind around 6 mph becoming light and variable after midnight.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 66. Light and variable wind becoming east around 6 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: Mostly sunny, with a high near 77. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 66. West wind 5 to 14 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 41. Northwest wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 66. Light and variable wind becoming east around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 49. South wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Clear, with a low around 54.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 80.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 69.
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:
5:11 am CDT Apr 19, 2026
Forecast Valid:
6am CDT Apr 19, 2026-6pm CDT Apr 25, 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