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

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 57°F (14°C)
Visibility 4.00 mi
Last update 4 Mar 12:35 pm CST
Extended Forecast for

Marissa IL

  • This Afternoon

    This Afternoon: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Patchy fog between 2pm and 3pm. High near 64. Southwest wind around 6 mph becoming east. Chance of precipitation is 80%.

    High: 64 °F

    T-storms and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 3am, then showers and possibly a thunderstorm after 3am. Patchy fog after 10pm. Low around 58. South wind 3 to 6 mph. Chance of precipitation is 90%.

    Low: 58 °F

    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 11am, then isolated showers between 11am and 1pm. Patchy fog between 9am and 10am. Otherwise, cloudy, with a high near 67. Southwest wind 5 to 8 mph becoming light and variable in the afternoon. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely and
    Patchy Fog
    then Isolated
    Showers

  • Thursday Night

    Thursday Night: Scattered showers, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 59. Calm wind becoming south 5 to 9 mph in the evening. Chance of precipitation is 50%.

    Low: 59 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Friday

    Friday: A 20 percent chance of rain. Partly sunny, with a high near 76. Breezy, with a south wind 10 to 20 mph, with gusts as high as 28 mph.

    High: 76 °F

    Slight Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: A chance of rain before 9pm, then a chance of rain and thunderstorms between 9pm and midnight, then rain and possibly a thunderstorm after midnight. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Chance
    T-storms then
    Rain

  • Saturday

    Saturday: Rain likely, mainly before noon. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Patchy fog between 2pm and 3pm. High near 64. Southwest wind around 6 mph becoming east. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms, mainly before 3am, then showers and possibly a thunderstorm after 3am. Patchy fog after 10pm. Low around 58. South wind 3 to 6 mph. Chance of precipitation is 90%.
Thursday
Showers likely and possibly a thunderstorm before 11am, then isolated showers between 11am and 1pm. Patchy fog between 9am and 10am. Otherwise, cloudy, with a high near 67. Southwest wind 5 to 8 mph becoming light and variable in the afternoon. Chance of precipitation is 70%.
Thursday Night
Scattered showers, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 59. Calm wind becoming south 5 to 9 mph in the evening. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 76. Breezy, with a south wind 10 to 20 mph, with gusts as high as 28 mph.
Friday Night
A chance of rain before 9pm, then a chance of rain and thunderstorms between 9pm and midnight, then rain and possibly a thunderstorm after midnight. Low around 59. Chance of precipitation is 80%.
Saturday
Rain likely, mainly before noon. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 75.
Monday Night
A 30 percent chance of rain and thunderstorms. Partly cloudy, with a low around 61.
Tuesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marissa IL
 38.25°N 89.74°W (Elev. 459 ft)
Last Update:
12:26 pm CST Mar 4, 2026
Forecast Valid:
12pm CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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