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

41°F

5°C

Humidity 59%
Wind Speed S 12 G 16 mph
Barometer 29.94 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 13 Jan 8:35 am CST
Extended Forecast for

Marissa IL

  • Today

    Today: Increasing clouds, with a high near 63. West wind 8 to 13 mph, with gusts as high as 25 mph.

    High: 63 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 2am. Cloudy, with a low around 38. West wind 7 to 10 mph.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 32 by 5pm. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 42 °F⇓

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17. North wind 8 to 16 mph, with gusts as high as 25 mph.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 32. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 32 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a temperature rising to around 31 by 2am.

    Low: 26 °F⇑

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44. Breezy.

    High: 44 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 63. West wind 8 to 13 mph, with gusts as high as 25 mph.
Tonight
A 40 percent chance of rain, mainly before 2am. Cloudy, with a low around 38. West wind 7 to 10 mph.
Wednesday
Partly sunny, with a temperature falling to around 32 by 5pm. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 17. North wind 8 to 16 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 32. Northwest wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
Mostly cloudy, with a temperature rising to around 31 by 2am.
Friday
Partly sunny, with a high near 44. Breezy.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 12.
Sunday
Sunny, with a high near 26.
Sunday Night
Mostly clear, with a low around 13.
M.L.King Day
Sunny, with a high near 35.
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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:
5:21 am CST Jan 13, 2026
Forecast Valid:
8am CST Jan 13, 2026-6pm CST Jan 19, 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