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.

Fair

83°F

28°C

Humidity 75%
Wind Speed NA
Barometer 30.07 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 8 Jul 10:15 am CDT
Extended Forecast for

Smithboro IL

  • Today

    Today: Isolated showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 70. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 5pm. Increasing clouds, with a high near 91. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 91 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms. Low around 72. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 72 °F

    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.

    High: 87 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

    Low: 70 °F

    T-storms
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Isolated showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 70. South wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
Showers and thunderstorms likely, mainly after 5pm. Increasing clouds, with a high near 91. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms. Low around 72. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.
Friday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 69.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Smithboro IL
 38.9°N 89.34°W (Elev. 564 ft)
Last Update:
8:16 am CDT Jul 8, 2026
Forecast Valid:
10am CDT Jul 8, 2026-6pm CDT Jul 14, 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