National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Fair

40°F

4°C

Humidity 51%
Wind Speed W 9 mph
Barometer 30.21 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 21 Feb 4:35 pm CST
Extended Forecast for

4 Miles N Greenville IL

  • Tonight

    Tonight: Increasing clouds, with a low around 21. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 30. Blustery, with a northwest wind 15 to 21 mph, with gusts as high as 31 mph.

    High: 30 °F

    Partly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15. Northwest wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 32. Northwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Calm wind becoming south around 5 mph after midnight.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 21. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 30. Blustery, with a northwest wind 15 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 15. Northwest wind 14 to 16 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 32. Northwest wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 17. Calm wind becoming south around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 55.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 40 percent chance of rain. Mostly sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greenville IL
 38.95°N 89.39°W (Elev. 515 ft)
Last Update:
4:46 pm CST Feb 21, 2026
Forecast Valid:
4pm CST Feb 21, 2026-6pm CST Feb 28, 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