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.

Thunderstorm in Vicinity

48°F

9°C

Humidity 64%
Wind Speed SE 8 mph
Barometer 29.98 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 17 Nov 10:55 pm CST
Extended Forecast for

Greenville IL

  • Tonight

    Tonight: A 50 percent chance of rain and thunderstorms, mainly before 4am. Cloudy, with a low around 47. East wind 7 to 10 mph becoming southeast after midnight.

    Low: 47 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of rain and thunderstorms, mainly before 9am. Mostly cloudy, with a high near 66. Southeast wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 66 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. North wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60. Light and variable wind.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely, then rain and possibly a thunderstorm after noon. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

Detailed Forecast

Tonight
A 50 percent chance of rain and thunderstorms, mainly before 4am. Cloudy, with a low around 47. East wind 7 to 10 mph becoming southeast after midnight.
Tuesday
A 30 percent chance of rain and thunderstorms, mainly before 9am. Mostly cloudy, with a high near 66. Southeast wind 5 to 10 mph becoming light and variable in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 44. North wind around 5 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 60. Light and variable wind.
Wednesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 45. Light and variable wind.
Thursday
Rain likely, then rain and possibly a thunderstorm after noon. High near 64. Chance of precipitation is 80%.
Thursday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 51. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 40.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 58.
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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:
10:41 pm CST Nov 17, 2025
Forecast Valid:
11pm CST Nov 17, 2025-6pm CST Nov 24, 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