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.

Fair

58°F

14°C

Humidity 67%
Wind Speed E 5 mph
Barometer 29.90 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 21 Mar 7:55 am CDT
Extended Forecast for

4 Miles N Greenville IL

  • Today

    Today: Sunny, with a high near 83. Light and variable wind becoming south around 6 mph in the morning.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. South wind 5 to 8 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 84. Southwest wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 84 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a north wind 11 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 55. North wind 7 to 10 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

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

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 83. Light and variable wind becoming south around 6 mph in the morning.
Tonight
Mostly clear, with a low around 61. South wind 5 to 8 mph.
Sunday
Increasing clouds, with a high near 84. Southwest wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a north wind 11 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 55. North wind 7 to 10 mph.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 42.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 68.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 55.
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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:
7:41 am CDT Mar 21, 2026
Forecast Valid:
8am CDT Mar 21, 2026-6pm CDT Mar 27, 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