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

41°F

5°C

Humidity 77%
Wind Speed SE 5 mph
Barometer 29.96 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 6 Dec 9:35 pm CST
Extended Forecast for

Greenville IL

  • Tonight

    Tonight: A 20 percent chance of rain after 5am. Cloudy, with a low around 33. South wind 3 to 6 mph.

    Low: 33 °F

    Cloudy then
    Slight Chance
    Rain

  • Sunday

    Sunday: A slight chance of drizzle before 4pm. Cloudy, with a high near 38. Light and variable wind becoming north 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 38 °F

    Slight Chance
    Drizzle

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18. North wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 32. North wind 5 to 7 mph becoming calm in the morning.

    High: 32 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. Light south wind increasing to 6 to 11 mph in the evening.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
A 20 percent chance of rain after 5am. Cloudy, with a low around 33. South wind 3 to 6 mph.
Sunday
A slight chance of drizzle before 4pm. Cloudy, with a high near 38. Light and variable wind becoming north 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 18. North wind 7 to 13 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 32. North wind 5 to 7 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 22. Light south wind increasing to 6 to 11 mph in the evening.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
A slight chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Thursday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 6.
Saturday
Mostly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenville IL
 38.88°N 89.39°W (Elev. 538 ft)
Last Update:
9:46 pm CST Dec 6, 2025
Forecast Valid:
9pm CST Dec 6, 2025-6pm CST Dec 13, 2025
 
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