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.

Overcast and Breezy

20°F

-7°C

Humidity 63%
Wind Speed N 23 G 29 mph
Barometer 30.48 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 23 Feb 12:35 am CST
Extended Forecast for

Smithboro IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 14. Northwest wind around 15 mph, with gusts as high as 23 mph.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 32. Northwest wind 6 to 15 mph, with gusts as high as 22 mph.

    High: 32 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 47. Breezy, with a south wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 47 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. Southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely before 3am, then rain likely, possibly mixed with snow. Some thunder is also possible. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Slight Chance
    Rain then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow before noon. Partly sunny, with a high near 46. Chance of precipitation is 40%.

    High: 46 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 14. Northwest wind around 15 mph, with gusts as high as 23 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 32. Northwest wind 6 to 15 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 18. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Increasing clouds, with a high near 47. Breezy, with a south wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
Mostly cloudy, with a low around 30. Southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
Rain likely before 3am, then rain likely, possibly mixed with snow. Some thunder is also possible. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
A chance of rain and snow before noon. Partly sunny, with a high near 46. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 57.
Friday Night
Clear, with a low around 36.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 32.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithboro IL
 38.9°N 89.34°W (Elev. 564 ft)
Last Update:
12:25 am CST Feb 23, 2026
Forecast Valid:
12am CST Feb 23, 2026-6pm CST Mar 1, 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