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.

Overcast

39°F

4°C

Humidity 99%
Wind Speed E 6 mph
Barometer 30.20 in
Dewpoint 38°F (3°C)
Visibility 7.00 mi
Wind Chill35°F (2°C)
Last update 2 Mar 5:35 pm CST
Extended Forecast for

Marissa IL

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 4am. Low around 39. East wind 3 to 6 mph. Chance of precipitation is 80%.

    Low: 39 °F

    Cloudy then
    Rain

  • Tuesday

    Tuesday: Rain, mainly before 8am. High near 63. Southeast wind 3 to 5 mph. Chance of precipitation is 90%.

    High: 63 °F

    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Patchy fog after 4am. Otherwise, cloudy, with a low around 53. East wind 5 to 7 mph. Chance of precipitation is 70%.

    Low: 53 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. Patchy fog before 7am. High near 68. East wind 5 to 8 mph becoming south in the morning. Chance of precipitation is 80%.

    High: 68 °F

    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 57. South wind 6 to 9 mph. Chance of precipitation is 80%.

    Low: 57 °F

    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm before noon, then a chance of rain and thunderstorms after noon. High near 71. Chance of precipitation is 80%.

    High: 71 °F

    Rain then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of rain, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

    Low: 57 °F

    Chance Rain

  • Friday

    Friday: A chance of rain and thunderstorms before noon, then a slight chance of rain. Partly sunny, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    T-storms then
    Slight Chance
    Rain

  • Friday Night

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

    Low: 61 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Tonight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 4am. Low around 39. East wind 3 to 6 mph. Chance of precipitation is 80%.
Tuesday
Rain, mainly before 8am. High near 63. Southeast wind 3 to 5 mph. Chance of precipitation is 90%.
Tuesday Night
A chance of rain, then rain likely and possibly a thunderstorm after midnight. Patchy fog after 4am. Otherwise, cloudy, with a low around 53. East wind 5 to 7 mph. Chance of precipitation is 70%.
Wednesday
Rain and possibly a thunderstorm. Patchy fog before 7am. High near 68. East wind 5 to 8 mph becoming south in the morning. Chance of precipitation is 80%.
Wednesday Night
Rain and possibly a thunderstorm. Low around 57. South wind 6 to 9 mph. Chance of precipitation is 80%.
Thursday
Rain and possibly a thunderstorm before noon, then a chance of rain and thunderstorms after noon. High near 71. Chance of precipitation is 80%.
Thursday Night
A chance of rain, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Friday
A chance of rain and thunderstorms before noon, then a slight chance of rain. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Friday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Saturday
Rain and possibly a thunderstorm before noon, then a chance of rain and thunderstorms after noon. High near 69. Chance of precipitation is 80%.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 50.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 64.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 52.
Monday
A 30 percent chance of rain. Mostly sunny, with a high near 70.
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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:
4:56 pm CST Mar 2, 2026
Forecast Valid:
5pm CST Mar 2, 2026-6pm CDT Mar 9, 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