National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Light Drizzle

69°F

21°C

Humidity 94%
Wind Speed E 7 mph
Barometer 30.02 in
Dewpoint 68°F (20°C)
Visibility 5.00 mi
Last update 15 Oct 12:15 pm CDT
Extended Forecast for

Saint Elmo IL

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 80. Southwest wind 7 to 9 mph. Chance of precipitation is 90%.

    High: 80 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 4am. Increasing clouds, with a low around 47. Northwest wind 9 to 17 mph, with gusts 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 56. Northwest wind 16 to 18 mph, with gusts as high as 26 mph.

    High: 56 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 36. North wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 59. North wind around 6 mph becoming calm in the afternoon.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 34.

    Low: 34 °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 3pm, then a chance of showers and thunderstorms after 3pm. High near 80. Southwest wind 7 to 9 mph. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 4am. Increasing clouds, with a low around 47. Northwest wind 9 to 17 mph, with gusts 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 56. Northwest wind 16 to 18 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 36. North wind 9 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 59. North wind around 6 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 34.
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 41.
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:
Saint Elmo IL
 39.04°N 88.84°W (Elev. 600 ft)
Last Update:
11:21 am CDT Oct 15, 2026
Forecast Valid:
12pm 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