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

85°F

29°C

Humidity 43%
Wind Speed S 14 G 24 mph
Barometer 29.78 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 26 Mar 2:35 pm CDT
Extended Forecast for

Marissa IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 30 mph.

    High: 88 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers after 4am. Low around 41. Breezy, with a south wind 13 to 20 mph becoming north after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%.

    Low: 41 °F

    Slight Chance
    T-storms then
    Showers and
    Breezy

  • Friday

    Friday: Showers, mainly before 10am. High near 52. North wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 52 °F

    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55. Northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Sunday Night

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

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 30 mph.
Tonight
A chance of showers and thunderstorms, then showers after 4am. Low around 41. Breezy, with a south wind 13 to 20 mph becoming north after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%.
Friday
Showers, mainly before 10am. High near 52. North wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 31. North wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 55. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
A 20 percent chance of rain and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 59.
Wednesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 76.
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:
1:36 pm CDT Mar 26, 2026
Forecast Valid:
2pm CDT Mar 26, 2026-6pm CDT Apr 1, 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