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.

Overcast

77°F

25°C

Humidity 87%
Wind Speed SW 5 mph
Barometer 29.90 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Jun 11:55 am CDT
Extended Forecast for

Greenville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 87. Southwest wind 3 to 5 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 72. South wind 5 to 7 mph.

    Low: 72 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 85. Southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    T-storms then
    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 9pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. Southwest wind 5 to 11 mph becoming west after midnight. Chance of precipitation is 60%.

    Low: 67 °F

    Heavy Rain
    then Slight
    Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. West wind around 6 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 87. Southwest wind 3 to 5 mph.
Tonight
Increasing clouds, with a low around 72. South wind 5 to 7 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 85. Southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before 9pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. Southwest wind 5 to 11 mph becoming west after midnight. Chance of precipitation is 60%.
Juneteenth
Sunny, with a high near 83. West wind around 6 mph.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenville IL
 38.88°N 89.42°W (Elev. 499 ft)
Last Update:
11:37 am CDT Jun 17, 2025
Forecast Valid:
12pm CDT Jun 17, 2025-6pm CDT Jun 23, 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