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.

Drizzle

73°F

23°C

Humidity 71%
Wind Speed S 7 mph
Barometer 29.96 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 15 Apr 11:55 am CDT
Extended Forecast for

Marissa IL

  • Today

    Today: Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 81. Southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 63. Southwest wind around 10 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Cloudy through mid morning, then gradual clearing, with a high near 82. Southwest wind 9 to 11 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. South wind around 6 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 69. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 81. Southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 63. Southwest wind around 10 mph. Chance of precipitation is 80%.
Thursday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Cloudy through mid morning, then gradual clearing, with a high near 82. Southwest wind 9 to 11 mph. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 60. South wind around 6 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 6 to 14 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 69. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 62.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marissa IL
 38.25°N 89.74°W (Elev. 459 ft)
Last Update:
10:46 am CDT Apr 15, 2026
Forecast Valid:
11am CDT Apr 15, 2026-6pm CDT Apr 21, 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