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

74°F

23°C

Humidity 61%
Wind Speed S 13 G 21 mph
Barometer 29.94 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 4 Apr 2:15 am CDT
Extended Forecast for

Greenville IL

  • Overnight

    Overnight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 61. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    Low: 61 °F

    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 4pm. Temperature falling to around 54 by 4pm. West wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    High: 63 °F⇓

    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 38. West wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. West wind 3 to 6 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 61. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 4pm. Temperature falling to around 54 by 4pm. West wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. West wind 8 to 15 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 55. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 38. West wind 3 to 6 mph.
Monday
Sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 53.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
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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:
1:25 am CDT Apr 4, 2026
Forecast Valid:
2am CDT Apr 4, 2026-6pm CDT Apr 10, 2026
 
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