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.

Mostly Cloudy

82°F

28°C

Humidity 84%
Wind Speed S 14 G 23 mph
Barometer 29.85 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 18 Jun 8:55 am CDT
Extended Forecast for

Marissa IL

  • Today

    Today: Showers and thunderstorms likely, mainly between 3pm and 4pm. Mostly cloudy, with a high near 86. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 69. Southwest wind 7 to 10 mph. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 85. Northwest wind around 8 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming south 5 to 8 mph in the morning.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 3pm and 4pm. Mostly cloudy, with a high near 86. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 69. Southwest wind 7 to 10 mph. Chance of precipitation is 50%.
Juneteenth
Mostly sunny, with a high near 85. Northwest wind around 8 mph.
Thursday Night
Mostly clear, with a low around 68. Calm wind.
Friday
Sunny, with a high near 90. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Clear, with a low around 74.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marissa IL
 38.25°N 89.77°W (Elev. 440 ft)
Last Update:
5:21 am CDT Jun 18, 2025
Forecast Valid:
9am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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