National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Mostly Cloudy

45°F

7°C

Humidity 90%
Wind Speed W 7 mph
Barometer 29.72 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 Jan 3:15 am CST
Extended Forecast for

Greenville IL

  • Overnight

    Overnight: Cloudy, with a low around 37. West wind 8 to 11 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Cloudy

  • Wednesday

    Wednesday: Scattered sprinkles and flurries before 10am, then scattered flurries between 10am and 11am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 28 by 5pm. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 36 mph.

    High: 38 °F⇓

    Breezy.
    Scattered
    Sprinkles/Flurries
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 18. Northwest wind 8 to 15 mph, with gusts as high as 28 mph.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 31. Northwest wind around 7 mph becoming southwest in the afternoon.

    High: 31 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a temperature rising to around 29 by 3am. South wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 24 °F⇑

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 37. West wind 8 to 11 mph, with gusts as high as 25 mph.
Wednesday
Scattered sprinkles and flurries before 10am, then scattered flurries between 10am and 11am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 28 by 5pm. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 36 mph.
Wednesday Night
Mostly clear, with a low around 18. Northwest wind 8 to 15 mph, with gusts as high as 28 mph.
Thursday
Increasing clouds, with a high near 31. Northwest wind around 7 mph becoming southwest in the afternoon.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a temperature rising to around 29 by 3am. South wind 6 to 13 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Partly cloudy, with a low around 13.
M.L.King Day
Mostly sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 31.
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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:
3:16 am CST Jan 14, 2026
Forecast Valid:
3am CST Jan 14, 2026-6pm CST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation