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.

Partly Cloudy

41°F

5°C

Humidity 68%
Wind Speed SW 17 G 23 mph
Barometer 29.96 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 9 Dec 9:55 am CST
Extended Forecast for

Greenville IL

  • Today

    Today: Increasing clouds, with a high near 48. South wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 48 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of rain between midnight and 4am. Mostly cloudy, with a steady temperature around 44. South wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Cloudy then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 35 by 5pm. Breezy, with a northwest wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 43 °F⇓

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. Northwest wind 5 to 10 mph becoming light west after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 37. Light and variable wind becoming west around 6 mph in the morning.

    High: 37 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 48. South wind 11 to 14 mph, with gusts as high as 24 mph.
Tonight
A slight chance of rain between midnight and 4am. Mostly cloudy, with a steady temperature around 44. South wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a temperature falling to around 35 by 5pm. Breezy, with a northwest wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 38 mph.
Wednesday Night
Mostly cloudy, with a low around 24. Northwest wind 5 to 10 mph becoming light west after midnight.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 37. Light and variable wind becoming west around 6 mph in the morning.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 11.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 33. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenville IL
 38.91°N 89.42°W (Elev. 486 ft)
Last Update:
7:52 am CST Dec 9, 2025
Forecast Valid:
10am CST Dec 9, 2025-6pm CST Dec 15, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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