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

Hazardous Weather Conditions

Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Mostly Cloudy

71°F

22°C

Humidity 88%
Wind Speed E 6 mph
Barometer 30.02 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 Sep 6:35 pm CDT
Extended Forecast for

Greenville IL

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before midnight. Increasing clouds, with a low around 65. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 65 °F

    Scattered
    T-storms then
    Isolated
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 85. Light south wind becoming southwest 5 to 9 mph in the morning.

    High: 85 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 64. Southwest wind 3 to 7 mph. Chance of precipitation is 70%.

    Low: 64 °F

    T-storms
    Likely

  • Monday

    Monday: Showers and thunderstorms before 8am, then showers and possibly a thunderstorm, mainly after 8am. High near 81. South wind 6 to 10 mph. Chance of precipitation is 80%.

    High: 81 °F

    T-storms then
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before midnight. Increasing clouds, with a low around 65. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 50%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 85. Light south wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 64. Southwest wind 3 to 7 mph. Chance of precipitation is 70%.
Monday
Showers and thunderstorms before 8am, then showers and possibly a thunderstorm, mainly after 8am. High near 81. South wind 6 to 10 mph. Chance of precipitation is 80%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 6 mph becoming calm in the evening.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 56.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenville IL
 38.88°N 89.39°W (Elev. 538 ft)
Last Update:
6:16 pm CDT Sep 20, 2025
Forecast Valid:
6pm CDT Sep 20, 2025-6pm CDT Sep 27, 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