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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Marissa IL

Flood Watch June 25, 01:00pm until June 26, 07:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 69. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%.

    Low: 69 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 83. Southwest wind 7 to 9 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 70. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 70 °F

    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 87. Light and variable wind.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 69. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%.
Friday
Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 83. Southwest wind 7 to 9 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 70. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 96.
Monday Night
Clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 97.
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 89.77°W (Elev. 440 ft)
Last Update:
8:01 am CDT Jun 25, 2026
Forecast Valid:
9am CDT Jun 25, 2026-6pm CDT Jul 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