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.

Mostly Cloudy

83°F

28°C

Humidity 68%
Wind Speed NA
Barometer 29.74 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 21 Jun 2:35 pm CDT
Extended Forecast for

Smithboro IL

Flood Watch June 21, 02:58pm until June 22, 01:00am
Tornado Watch until June 21, 09:00pm
Click here for hazard details and duration
Flood Watch
Tornado Watch
  •  
    Flood Watch June 21, 02:58pm until June 22, 01:00am
    Tornado Watch until June 21, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 81 °F

    Heavy Rain

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 64. South wind 7 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 74. North wind around 11 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. North wind 5 to 7 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Light northeast wind.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms, mainly before 5pm. Some of the storms could produce heavy rainfall. High near 81. South wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Tonight
Scattered showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 64. South wind 7 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 74. North wind around 11 mph.
Monday Night
Mostly clear, with a low around 58. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 79. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithboro IL
 38.9°N 89.36°W (Elev. 600 ft)
Last Update:
1:26 pm CDT Jun 21, 2026
Forecast Valid:
2pm CDT Jun 21, 2026-6pm CDT Jun 27, 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