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

75°F

24°C

Humidity 98%
Wind Speed NA
Barometer 29.98 in
Dewpoint 75°F (24°C)
Visibility 7.00 mi
Last update 15 Oct 12:55 pm CDT
Extended Forecast for

Alma IL

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 82. Southwest wind 9 to 11 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 47. Southwest wind 9 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 57. Breezy, with a northwest wind 16 to 22 mph.

    High: 57 °F

    Breezy.
    Decreasing
    Clouds then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 37. North wind 9 to 15 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 82. Southwest wind 9 to 11 mph. Chance of precipitation is 90%.
Tonight
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 47. Southwest wind 9 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 57. Breezy, with a northwest wind 16 to 22 mph.
Friday Night
A 30 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 37. North wind 9 to 15 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 59. North wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 35.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alma IL
 38.71°N 88.92°W (Elev. 630 ft)
Last Update:
11:21 am CDT Oct 15, 2026
Forecast Valid:
1pm CDT Oct 15, 2026-6pm CDT Oct 21, 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