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.

Partly Cloudy

47°F

8°C

Humidity 48%
Wind Speed SW 10 G 18 mph
Barometer 29.88 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 13 Mar 4:55 am CDT
Extended Forecast for

Marissa IL

  • Today

    Today: Partly sunny, with a high near 61. Southwest wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 32 mph.

    High: 61 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. Northwest wind around 6 mph becoming calm.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65. East wind 6 to 11 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. South wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 4pm. High near 69. Breezy, with a south wind 18 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.

    High: 69 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Some thunder is also possible. Low around 24. Breezy. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 24 °F

    Breezy. Rain
    then
    Rain/Snow

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Partly sunny, with a high near 29. Blustery.

    High: 29 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 61. Southwest wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 32 mph.
Tonight
Mostly clear, with a low around 36. Northwest wind around 6 mph becoming calm.
Saturday
Mostly sunny, with a high near 65. East wind 6 to 11 mph.
Saturday Night
Mostly cloudy, with a low around 55. South wind 9 to 15 mph, with gusts as high as 24 mph.
Sunday
Rain, with thunderstorms also possible after 4pm. High near 69. Breezy, with a south wind 18 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.
Sunday Night
Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Some thunder is also possible. Low around 24. Breezy. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Monday
A 20 percent chance of snow before 1pm. Partly sunny, with a high near 29. Blustery.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Marissa IL
 38.25°N 89.74°W (Elev. 459 ft)
Last Update:
3:41 am CDT Mar 13, 2026
Forecast Valid:
5am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
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Additional Resources

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Chance of Precipitation