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.

Fog

40°F

4°C

Humidity 97%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 39°F (4°C)
Visibility 0.50 mi
Last update 16 Feb 2:55 am CST
Extended Forecast for

3 Miles SE Alma IL

Dense Fog Advisory until February 16, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 16, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 36 °F

    Patchy Dense
    Fog

  • Washington's Birthday

    Washington's Birthday: Patchy dense fog before 8am. Otherwise, partly sunny, with a high near 60. Light southwest wind becoming south 6 to 11 mph in the morning.

    High: 60 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. South wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 32 mph.

    Low: 56 °F

    Breezy.
    Cloudy then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 70. Breezy.

    High: 70 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 69. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Patchy dense fog after 4am. Otherwise, mostly clear, with a low around 36. Calm wind.
Washington's Birthday
Patchy dense fog before 8am. Otherwise, partly sunny, with a high near 60. Light southwest wind becoming south 6 to 11 mph in the morning.
Monday Night
Mostly cloudy, with a low around 41. South wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 60. South wind 7 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 32 mph.
Wednesday
Sunny, with a high near 70. Breezy.
Wednesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 47.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 69. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39.
Friday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 51.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 31.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 47.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 29.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Alma IL
 38.69°N 88.86°W (Elev. 568 ft)
Last Update:
3:01 am CST Feb 16, 2026
Forecast Valid:
3am CST Feb 16, 2026-6pm CST Feb 22, 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