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

45°F

7°C

Humidity 56%
Wind Speed S 16 G 25 mph
Barometer 29.96 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 13 Mar 12:15 am CDT
Extended Forecast for

Marissa IL

  • Overnight

    Overnight: Partly cloudy, with a low around 43. Breezy, with a south wind 18 to 21 mph, with gusts as high as 32 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 61. West wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: 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 54. South wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, then rain and possibly a thunderstorm after 1pm. High near 68. Breezy. Chance of precipitation is 80%.

    High: 68 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 22. Breezy. Chance of precipitation is 80%.

    Low: 22 °F

    Rain/Snow and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 30. Blustery.

    High: 30 °F

    Partly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 43. Breezy, with a south wind 18 to 21 mph, with gusts as high as 32 mph.
Friday
Mostly sunny, with a high near 61. West wind 11 to 17 mph, with gusts as high as 28 mph.
Friday Night
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 54. South wind 9 to 14 mph, with gusts as high as 23 mph.
Sunday
A chance of rain, then rain and possibly a thunderstorm after 1pm. High near 68. Breezy. Chance of precipitation is 80%.
Sunday Night
Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 22. Breezy. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 30. Blustery.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 66.
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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:
10:36 pm CDT Mar 12, 2026
Forecast Valid:
12am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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