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 Rain in Vicinity

66°F

19°C

Humidity 93%
Wind Speed S 8 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 7.00 mi
Last update 4 Apr 5:55 am CDT
Extended Forecast for

4 Miles N Greenville IL

  • Today

    Today: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 3pm. Temperature falling to around 54 by 1pm. Southwest wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%.

    High: 63 °F⇓

    Showers then
    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind 8 to 15 mph.

    Low: 37 °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. Northwest wind around 6 mph becoming calm.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 58. Northwest wind 6 to 11 mph.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °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

  • Wednesday

    Wednesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 3pm. Temperature falling to around 54 by 1pm. Southwest wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind 8 to 15 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. Northwest wind around 6 mph becoming calm.
Monday
Sunny, with a high near 58. Northwest wind 6 to 11 mph.
Monday Night
Mostly cloudy, with a low around 33.
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
A 20 percent chance of showers. 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 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greenville IL
 38.95°N 89.39°W (Elev. 515 ft)
Last Update:
4:36 am CDT Apr 4, 2026
Forecast Valid:
6am 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