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

66°F

19°C

Humidity 68%
Wind Speed S 10 mph
Barometer 29.97 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 3:35 am CDT
Extended Forecast for

Marissa IL

  • Overnight

    Overnight: Partly cloudy, with a low around 63. South wind around 13 mph, with gusts as high as 23 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 82. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 32 mph.

    High: 82 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms. Mostly cloudy, with a low around 61. South wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    T-storms then
    Chance Rain

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 79 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 65. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1pm. High near 77. Breezy. Chance of precipitation is 80%.

    High: 77 °F

    Breezy.
    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Rain Likely

  • Friday

    Friday: A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Chance
    T-storms then
    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 63. South wind around 13 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 82. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 32 mph.
Tuesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 61. South wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of rain, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 65. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Thursday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1pm. High near 77. Breezy. Chance of precipitation is 80%.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Friday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Friday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 60.
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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:
1:26 am CDT Mar 31, 2026
Forecast Valid:
3am CDT Mar 31, 2026-6pm CDT Apr 6, 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