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.

Partly Cloudy

70°F

21°C

Humidity 50%
Wind Speed SW 15 G 20 mph
Barometer 29.95 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 May 11:35 pm CDT
Extended Forecast for

4 Miles SW Greenville IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy early, then gradual clearing, with a low around 57. Southwest wind around 8 mph becoming northwest after midnight.

    Low: 57 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 72. Northwest wind 8 to 15 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. North wind 5 to 7 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 54. Southeast wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy early, then gradual clearing, with a low around 57. Southwest wind around 8 mph becoming northwest after midnight.
Wednesday
Sunny, with a high near 72. Northwest wind 8 to 15 mph.
Wednesday Night
Mostly clear, with a low around 47. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 71. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 54. Southeast wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday
A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 65.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. Breezy. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Breezy. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Greenville IL
 38.84°N 89.45°W (Elev. 554 ft)
Last Update:
9:21 pm CDT May 12, 2026
Forecast Valid:
11pm CDT May 12, 2026-6pm CDT May 19, 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