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.

Light Rain

60°F

16°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.94 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Apr 4:15 am CDT
Extended Forecast for

Marissa IL

  • Overnight

    Overnight: Showers. The rain could be heavy at times. Low around 63. South wind around 8 mph. Chance of precipitation is 100%.

    Low: 63 °F

    Heavy Rain

  • Thursday

    Thursday: A chance of showers before 7am, then a slight chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 59. South wind around 6 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. South wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 52. South wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 52 °F

    Chance
    T-storms then
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a steady temperature around 57. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

Detailed Forecast

Overnight
Showers. The rain could be heavy at times. Low around 63. South wind around 8 mph. Chance of precipitation is 100%.
Thursday
A chance of showers before 7am, then a slight chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 59. South wind around 6 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. South wind 6 to 15 mph, with gusts as high as 23 mph.
Friday Night
Showers and thunderstorms, mainly between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 52. South wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a steady temperature around 57. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 64.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marissa IL
 38.25°N 89.74°W (Elev. 459 ft)
Last Update:
3:06 am CDT Apr 16, 2026
Forecast Valid:
4am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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