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

40°F

4°C

Humidity 76%
Wind Speed S 15 G 20 mph
Barometer 29.76 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 9 Dec 5:15 pm CST
Extended Forecast for

Greenville IL

Wind Advisory December 10, 03:00am until December 10, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 3am. Mostly cloudy, with a steady temperature around 43. South wind around 17 mph becoming west after midnight. Winds could gust as high as 29 mph.

    Low: 43 °F

    Cloudy then
    Chance Rain

  • Wednesday

    Wednesday: Increasing clouds, with a temperature falling to around 33 by 5pm. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 45 mph.

    High: 41 °F⇓

    Increasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Northwest wind 5 to 10 mph becoming light after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 36. Calm wind becoming south around 6 mph in the afternoon.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of snow before 3am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 3am. Mostly cloudy, with a steady temperature around 43. South wind around 17 mph becoming west after midnight. Winds could gust as high as 29 mph.
Wednesday
Increasing clouds, with a temperature falling to around 33 by 5pm. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 45 mph.
Wednesday Night
Mostly cloudy, with a low around 23. Northwest wind 5 to 10 mph becoming light after midnight.
Thursday
Mostly cloudy, with a high near 36. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A chance of snow before 3am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 10.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 35.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenville IL
 38.91°N 89.42°W (Elev. 486 ft)
Last Update:
4:56 pm CST Dec 9, 2025
Forecast Valid:
5pm CST Dec 9, 2025-6pm CST Dec 16, 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